CN101649676A - Plate mould bridging screw structure - Google Patents
Plate mould bridging screw structure Download PDFInfo
- Publication number
- CN101649676A CN101649676A CN200810147361A CN200810147361A CN101649676A CN 101649676 A CN101649676 A CN 101649676A CN 200810147361 A CN200810147361 A CN 200810147361A CN 200810147361 A CN200810147361 A CN 200810147361A CN 101649676 A CN101649676 A CN 101649676A
- Authority
- CN
- China
- Prior art keywords
- screw
- plate mould
- bridging
- spiral shell
- shell portion
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a plate mould bridging screw structure. A bridging screw comprises an inner rod and an externally sleeved screw part, wherein the inner rod is made of metal, both ends of the inner rod are provided with a drilling edge part for drilling and a sleeved part sheathed with a driving device, and the outer edge of the inner rod is provided with a coarsened segment; the externallysleeved screw part is one-piece ejected by using a plastic material to be coated on the outer edge of the inner rod and is provided with screw threads, and the outer diameter of the screw threads ofthe externally sleeved screw part is smaller than the drilling diameter of the drilling edge part of the inner rod; the bridging screw can utilize the self tapping of the drilling edge part to pass aplate mould of a plate mould unit under the rotation of the driving device, and the plate mould unit is in locked with the plate mould unit by fixing connection units on both sides; and therefore, metallic consumption is greatly lowered, the manufacturing cost is lowered, and a user can easily cut the drilling edge part off by the bridging screw, the convenient in work is increased.
Description
Technical field
The present invention relates to a kind of plate mould bridging screw structure that is used to build.
Background technology
At present; the building of general reinforced concrete structure is when the pre-companion of cast concrete; usually need utilize two or more template dies of template die unit to surround into the space that preboarding becomes wall or beam column; in order to increase the steadiness of template die unit; except adjacent template die can be followed closely admittedly with iron nail relatively; carry out in the mode that the iron wire pitch of the laps is tied up bundle traditionally for relative template die; to produce relative tractive force; prevent that the both sides template die from bursting apart; but the practice of this iron wire serial connection is very consuming time; and apply difficult; form the burden of another kind of manpower, moreover its steadiness is not good, cost is high simultaneously.
And common now mode, on the relative template die of template die unit, be drilled with corresponding perforation in advance, after wearing with the connecting rod of two ends tool thread segment again, with nut and compressing tablet interlocking, as " template bundle binder " patent of invention case of No. the 488469th, tw Taiwan patent announcement etc., but the mode that applies of this class also need place connecting rod in addition, and have influence on speed and the convenience that applies except the perforation contraposition that will carry out the both sides template die; So there is the insider further to imitate the form of self-tapping screw, front end at bridging screw forms cutting blade, utilize driven tool to be driven again, and then directly on the template die of both sides, form relative perforation, and the nut that utilizes affixed unit directly is locked on this bridging screw two ends, and effective bridge joint both sides template die, as " construction formwork use off-centre from the tapping bar " of No. the 447588th, tw Taiwan patent announcement, announce M284717 number " the plate mould bridging assembly of improvement ", announce M313184 number " template die self-tapping screw device " and announce M313704 number patent of invention cases such as " plate mould bridging devices ".
But these aforesaid bridging screws process by the iron of metal, yet the iron valency constantly raises in recent years, cause the increase of its manufacturing cost, need simultaneously to utilize car tooth or roll extrusion mode to form screw thread at the iron periphery, no matter its process equipment or make all comparatively difficulty, invisible also can increase its cost, and the bridging screw of this class is after all cutting off ledge after the use, directly stay in the concrete that condenses discarded, and because the required use amount of each building scheme is very big, invisible has promptly formed a kind of cost pressure, therefore the part manufacturer bridging screw of promptly trying every possible means to take out, but it need improve cost on the contrary through arrangement and the process of cleaning, though " plate mould bridging device " a case of tw Taiwan patent announcement M313704 number provides a kind of defensive protecting pipe, but its taking-up still is not easy, and can form hole at wall after taking out, might become the root that building leaks later on, so in fact and be not suitable for this bridging screw is pulled out repeated use.
Summary of the invention
Therefore, main purpose of the present invention is to provide a kind of plate mould bridging screw structure, so as to reducing the cost of bridging screw.
Another object of the present invention is to provide a kind of plate mould bridging screw structure, and it further can simplify the making flow process.
The present invention further provides a kind of plate mould bridging screw structure, it is easy to wipe out the two ends protuberance, promotes the convenience that uses.
For this reason, the present invention is mainly by following technological means, come specific implementation projects of the present invention and effect, it includes:
Interior bar, the stock body that it is made of metal, bar two ends are formed with boring blade and socket part respectively in this, and the blade of wherein holing is made of one or more relative oblique cone shape sword sheets, and the socket part of the interior bar other end is carried secretly moving for the driven tool embedding again;
Overcoat spiral shell portion, it is coated between the boring blade and socket part of interior bar, in interior bar outer rim, and overcoat spiral shell portion outer rim is formed with screw thread by plastic material one ejection formation in this overcoat spiral shell portion, and the maximum outside diameter of the boring blade of aforementioned bridging screw is slightly larger than the major diameter of thread of overcoat spiral shell portion.
Whereby, by representing of the above-mentioned technology of the present invention, allow bridging screw of the present invention rotate utilize boring blade self tapping pass the template die of template die unit, and, so can significantly reduce the consumption of metal by the interlocking template die unit, affixed unit of both sides by driven tool, and simplify and make flow process, reduce its cost of manufacture, and be available for users to wipe out easily the boring blade, promote the convenience of work, and then effectively increase its surcharge, and improve competitiveness of product and economic benefit.
Description of drawings
Fig. 1 is the schematic perspective view of bridging screw structure of the present invention;
Fig. 2 is the interior bar schematic diagram of bridging screw structure of the present invention;
Fig. 3 is the shaping section front view of bridging screw structure of the present invention;
Fig. 4 is sectional view after the shaping of bridging screw structure of the present invention;
Fig. 5 is the boring action schematic diagram of bridging screw structure of the present invention;
Fig. 6 is that the actual interlocking of bridging screw structure of the present invention is in the user mode schematic diagram of template die unit.
Description of reference numerals
Bar in 10 bridging screws 20
21 alligatoring sections, 22 boring blades
23 sword sheets, 25 socket parts
30 overcoat spiral shell portions, 31 screw threads
40 moulds, 45 die cavitys
46 flanks, 50 driven tool
60 template die lists, 61 template dies
70 affixed unit 71 support plate
72 nuts
The specific embodiment
As shown in Figure 1, the plate mould bridging screw structure among the present invention 10 include metal in bar 20 and be coated in the plastics system overcoat spiral shell portion 30 of bar 20 peripheries.
And about the detailed formation of preferred embodiment of the present invention, then as Fig. 1, shown in Figure 2, the peripheral surface of bar 20 is formed with one or more alligatoring sections 21 in the metal system of this elongated rod shape, alligatoring section 21 can be concavo-convex ring grain, staggered line or surface coarsening etc., to improve the adhesive power of overcoat spiral shell portion 30, moreover interior bar 20 ends are formed with boring blade 22 and socket part 25 respectively, the blade 22 of wherein holing is made of one or more relative oblique cone shape sword sheets 23, the socket part 25 of interior again bar 20 other ends can be polygonal column or polygonal poroid, and this socket part 25 can be carried secretly moving for driven tool 50 (as shown in Figure 5) embedding.
Plastic overcoat spiral shell portion 30 is as Fig. 3, shown in Figure 4, the alligatoring section 21 of interior bar 20 is placed in the mould 40 with die cavity 45, and be formed with flank 46 in the die cavity 45, and utilize Jet forming machine in this overcoat spiral shell portion 30 of interior bar 20 alligatoring sections 21 place's ejection formations, in this overcoat spiral shell portion 30 is coated between boring blade 22 and the socket part 25 of bar 20 also the one ejection formation in interior bar 20 outer rims, and overcoat spiral shell portion 30 outer rims are formed with the screw thread 31 of corresponding flank 46, the maximum outside diameter of the sword sheet 23 of aforementioned bridging screw 10 is slightly larger than screw thread 31 external diameters of overcoat spiral shell portion 30, thereby the slightly larger in diameter that makes the hole that sword sheet 23 gets out is in screw thread 31 external diameters of overcoat spiral shell portion 30, whereby, the group formation is easy to make, and the plate mould bridging screw structure that penetration rate is fast.
The present invention is on practice, then please refer to Fig. 1, Fig. 5 and Fig. 6, the present invention is sandwiched in driven tool 50 embeddings on the socket part 25 of bar 20 in the bridging screw 10, make driven tool 50 can drive bridging screw 10 rotations, and get out suitable perforation at the both sides of template die unit 60 template die 61 predetermined bore positions with the sword sheet 23 of the boring blade 22 of interior bar 20, and allow bridging screw 10 run through the template die 61 of 60 both sides, template die unit synchronously, and after finishing whole boring action, utilize the nut 72 of affixed unit 70 to be pressed on the lateral surface of both sides template die 61, and finish the bridge joint of bridging screw 10 relative both sides template dies 61 with supporting plate 71 pads.
Because bridging screw 10 of the present invention is made of with plastic wrapper spiral shell portion 30 inner metal rod 20, can significantly reduce the consumption of metal material, and reduce the cost of bridging screw 10.
Again owing to the screw thread 31 of bridging screw 10 of the present invention with the integrally formed plastic wrapper spiral shell of ejection forming technique portion 30, need not needs to form screw thread with Che Ya or roll extrusion mode as prior art, so reduce unnecessary waste of material, and can simplify and make flow process, so can further reduce its cost of manufacture.
Moreover, interior bar 20 two ends of bridging screw 10 of the present invention form boring blade 22 and socket part 25 respectively, its invisible is formed with stair-stepping external diameter, and the external diameter of metalwork is also less than the external diameter that has bridging screw now, and can be convenient to cut off rapidly behind user perforation, the bridge joint ledge of bridging screw 10, promote the convenience of work.
The above only is preferred embodiment of the present invention is described, is not in order to limit the scope of the invention, so all have based on spirit of the present invention, and is any type of modification of the present invention or change, all must belong to the scope that the invention is intended to protect.
Claims (4)
1, a kind of plate mould bridging screw structure is characterized in that, includes:
Interior bar, for by metal stock body, bar two ends are formed with boring blade and socket part respectively in this, and the blade of wherein holing is made of one or more relative oblique cone shape sword sheets, and embedding of socket part of bar other end confession driven tool is carried secretly moving in this;
Overcoat spiral shell portion, it is coated between the boring blade and socket part of interior bar, in interior bar outer rim, and overcoat spiral shell portion outer rim is formed with screw thread by plastic material one ejection formation in this overcoat spiral shell portion, and the maximum outside diameter of the boring blade of described bridging screw is slightly larger than the major diameter of thread of overcoat spiral shell portion.
2, plate mould bridging screw structure according to claim 1 is characterized in that, described interior pole pair answers the peripheral surface of overcoat spiral shell portion to be formed with the alligatoring section that one or more are used to improve overcoat spiral shell portion adhesive power.
3, plate mould bridging screw structure according to claim 2 is characterized in that, the alligatoring section of described interior bar is concavo-convex ring grain, staggered line or surface coarsening.
According to claim 1,2 or 3 described plate mould bridging screw structures, it is characterized in that 4, the socket part of described interior bar is polygonal column or polygonal poroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147361A CN101649676A (en) | 2008-08-11 | 2008-08-11 | Plate mould bridging screw structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147361A CN101649676A (en) | 2008-08-11 | 2008-08-11 | Plate mould bridging screw structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101649676A true CN101649676A (en) | 2010-02-17 |
Family
ID=41671988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810147361A Pending CN101649676A (en) | 2008-08-11 | 2008-08-11 | Plate mould bridging screw structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101649676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067404A1 (en) * | 2012-10-31 | 2014-05-08 | 上海鸣志电器股份有限公司 | Liner stepper motor having anti-rotation screw |
-
2008
- 2008-08-11 CN CN200810147361A patent/CN101649676A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067404A1 (en) * | 2012-10-31 | 2014-05-08 | 上海鸣志电器股份有限公司 | Liner stepper motor having anti-rotation screw |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100217 |