CN105864251A - Expansion type anchoring device - Google Patents
Expansion type anchoring device Download PDFInfo
- Publication number
- CN105864251A CN105864251A CN201610381072.4A CN201610381072A CN105864251A CN 105864251 A CN105864251 A CN 105864251A CN 201610381072 A CN201610381072 A CN 201610381072A CN 105864251 A CN105864251 A CN 105864251A
- Authority
- CN
- China
- Prior art keywords
- disc spring
- spring
- hanger bolt
- thread groove
- spire
- 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.)
- Granted
Links
- 238000004873 anchoring Methods 0.000 title abstract 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000005336 cracking Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
- Springs (AREA)
Abstract
The invention provides an expansion type anchoring device. The expansion type anchoring device comprises a coil spring and a spring containing part, wherein the coil spring is provided with a spiral part which is embedded into a male thread groove of a hanging bolt; the containing part is located on a front end side of an anchor nut when being compared with a female thread groove and can be used for containing the coil spring; the coil spring comprises an end part which stretches out in a manner of being parallel to the axis of the spiral part and the other end part which stretches out along the peripheral tangent line of the spiral part; and one end part of the coil spring can be clamped into a slit in a manner of moving along the axis direction, and the slit is chiseled on a peripheral wall of the spring containing part. The expansion type anchoring device has the following beneficial effects that when vibration is transmitted to the anchor nut from a building, the hanging bolt, which is screwed onto the nut, can be reliably prevented from loosening and the hanging bolt can be flexibly mounted into the anchor nut.
Description
Technical field
The present invention relates to field of fixation devices, be specifically related to expanding anchor.
Background technology
It is known that there is a kind of expanding anchor, the tubular anchor with extension part is inserted by it with the degree of depth of regulation
Enter and be located in the preformed hole of concrete to chisel, by beaing etc., cone is pressed in the extension part of tubular anchor, so that
Extension part convexly expands, and is absorbed in the perisporium of the preformed hole of concrete, and under the effect of chock, opposing puts on tubular anchor
Tensile force.
Tubular anchor, by the insertion of described cone, extension part can be expanded, and the most such change in shape can produce shadow
Ringing, so that the internal diameter of the negative thread groove of tubular anchor increases, be screwed into the hanger bolt in tubular anchor is screwed into chimeric meeting
Fluff, and the negative thread length for hanger bolt twist-on is shorter, therefore when vibration passes to tubular anchor from building, be screwed into
Hanger bolt in the negative thread of tubular anchor may loosen and come off from anchor, thus successfully cannot will hang spiral shell
Bolt twist-on is first-class to tubular anchor.
Summary of the invention
It is an object of the invention to provide expanding anchor, it completes on the basis of considering the problems referred to above, can make
Hanger bolt is successfully fastened to the anchor on the building being fixed on concrete etc., thus is reliably prevented hanger bolt because of length
Phase is vibrated or external force etc. and loose or dislocation, and for preventing the processing come off less, and makes and be relatively easy to.
The present invention is achieved through the following technical solutions.
Expanding anchor, it has: anchor nut, and this nut is tubular, is formed with female threaded portion at inner peripheral surface,
Bottom side is provided with multiple cracking groove and forms the extension part that can expand；Hanger bolt, this bolt is with being fastened to described lower margin spiral shell
The pin thread groove of female negative thread groove；And cone, this cone is inserted in described extension part, comprises disc spring, this disc spring with
It is embedded into the spire in described hanger bolt pin thread groove, and spring incorporating section, this incorporating section and described negative thread groove phase
Than being positioned at the front of described anchor nut, can receive described disc spring, described disc spring comprises, to be parallel to described spire axis
Mode and the one end that stretches out and the other end stretched out along described spire periphery tangent line, described the one of described disc spring
End is sticked in slit in the way of moving in the axial direction, and this slit chisel is located at the perisporium of described spring incorporating section, institute
State the opening described the other end of disc spring outputed on described perisporium under contactless state prominent, the described spiral shell of described disc spring
Rotation portion is close contact in the described pin thread groove of described hanger bolt to stop the described hanger bolt court being fastened to described anchor nut
Off-direction to rotate.Therefore the described hanger bolt being fastened to described anchor nut can be reliably stoped to wait from building because of vibration
Thing passes to described anchor nut and loose or dislocation.
As preferably, described the other end of described disc spring, when described opening is prominent, is along described spire periphery
Tangent line stretches out towards the off-direction of described hanger bolt, and the front end of described the other end be positioned at the periphery of described anchor nut with
In.Therefore by making described hanger bolt rotate towards off-direction, described disc spring can be pulled and be reversed, described disc spring described
The front end of the other end can be with the contacts side surfaces of described opening, and whereby, described disc spring expands outwardly, can be close contact in described sun spiral shell
The described spire of groove separates gap, makes friction disappearance or reduction etc., thus is freely rotatable, makes described hanger bolt become
Pine and protect the described pin thread groove of described hanger bolt, and can depart from from described anchor nut without barrier.
As preferably, it has anti-shedding mechanism, be used for preventing described disc spring from described spring receiving room out.Therefore
When described anchor nut is embedded in building, though the described one end of described disc spring card in the way of being axially moveable
Together in described slit, described disc spring also will not from described anchor nut out.
Compared with prior art: when vibration passes to anchor nut from building, can be reliably prevented and be fastened to this nut
Hanger bolt occur loosening, and hanger bolt can easily load anchor nut.
Accompanying drawing explanation
Fig. 1 is the stereogram of the 1st embodiment of the expanding anchor of the present invention.
Fig. 2 is the profile of the 1st embodiment of the expanding anchor of the present invention.
Fig. 3 is the profile that the present invention is formed along the line A-A of Fig. 2.
Fig. 4 is the major part profile of the 2nd embodiment of the expanding anchor of the present invention.
Fig. 5 is the major part side view of the 2nd embodiment of the expanding anchor of the present invention.
Symbol description 1 expanding anchor, 2 anchor nuts, 2a perisporium, bottom 2b, 2c leading section, 21 cloudy spiral shells
Groove, 22 cracking grooves, 23 extension parts, 24 spring incorporating sections, 25 slits, 25a inserts mouth, 26 openings, 27 slip-off preventing machines
Structure, 28 caulking parts, 3 cones, 4 hanger bolts, 41 pin thread grooves, 5 disc springs, 51 spires, 52 one end, 53 is another
One end, 54 lateral ends portions, 55 bends, 6 preformed holes, B building, C crooked position, the disengaging of R hanger bolt
Direction, the extended line of L cracking groove, the processing starting point of P negative thread groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings with detailed description of the invention, the present invention is described further.
1st embodiment of the present invention illustrates according to Fig. 1 and Fig. 3.Fig. 1 is an enforcement of expanding anchor
Example, symbol 1 is expanding anchor, and it is embedded in the building B of concrete etc..
Expanding anchor 1 has anchor nut 2, and the inner peripheral surface of the perisporium 2a of its tubular is formed with negative thread groove 21,
Multiple cracking groove 22 it is provided with and formed can be with the extension part 23 of opening and closing in 2b side, bottom；Cone 3, it is inserted into described extension part
In 23；And hanger bolt 4, it is with the pin thread groove 41 being fastened to described negative thread groove 21.
Symbol 5 is the disc spring being made up of the spire 51 that spiral pitch is equal, and the described spire 51 of this disc spring 5 wraps
Containing the one end 52 that stretches out to the 2b side, bottom of described anchor nut 2 and along outside the described spire 51 of described disc spring 5
The other end 53 that all tangent lines stretch out to off-direction R of described hanger bolt 4.
Described disc spring 5 is arranged on the inner peripheral surface of the described perisporium 2a of described anchor nut 2 the spring incorporating section formed
In 24, this incorporating section is positioned at the 2c side, leading section of described anchor nut 2 compared with described negative thread groove 21.
Slit 25 chisel that the one end 52 of described disc spring 5 is engaged is located between the extended line L-L of a pair cracking groove 22, uses
Decline in the intensity preventing described tubular anchor nut 2.Receive additionally, the cut-in length of described slit 25 is greater than described spring
Receive the degree of depth in portion 24.
The described one end 52 of described disc spring 5 is card in the way of the described spire 51 of described disc spring 5 can be axially moveable
Together in described slit 25.In order to make the described one end 52 of described disc spring 5 be smoothly inserted in described slit 25, described narrow
The front of seam 25 is formed with the broader mouthful 25a that inserts than slit opening width, and the spire 51 from described disc spring 5 stretches to whereby
The crooked position C of one end will not produce impact.
Outputing the opening 26 relative with described slit 25 on described perisporium 2a, at this opening 26, the other end 53 is non-
Under contact condition, the periphery tangent line of described spire 51 along described disc spring 5 is stretched towards off-direction R of described hanger bolt 4
Go out, and within the front end of described the other end is positioned at the periphery of described anchor nut 2.
Symbol 27 is to be located at the anti-shedding mechanism out of the described disc spring 5 in described spring receiving room 24 for preventing, its
It is made up of the caulking part 28 of the described leading section 2c being located at described anchor nut 2, though the described one end 52 of described disc spring 5
So that described slit 25 can be sticked in the way of being axially moveable, when described building B imbedded by described anchor nut 2, described dish
Spring 5 also will not from described spring incorporating section 24 out.
In this embodiment, with described the other end 53 and the described negative thread of described anchor nut 2 of described disc spring 5
Described disc spring 5 is arranged in described spring incorporating section 24 by the mode that processing starting point P of groove 21 is consistent, the most described spiral
Portion 51 and described negative thread groove 21 become continuous print spiral, thus can successfully carry out the twist-on of described hanger bolt 4.
About the configuration status of described disc spring 5, between described spire 51 and described perisporium 2a, leave space, described spiral shell
Rotation portion 51 outwards can be expanded by this space.Whereby can be with the described pin thread groove 41 being close contact in described hanger bolt 4
Described spire 51 separates gap.Even if additionally, leaving sky between the described spire 51 and described perisporium 2a of described disc spring 5
Between, if making the length pitch number more than the described spire 51 of described disc spring 5 of the negative thread groove 21 of described anchor nut 2,
Then can carry out one by the twist-on of the described negative thread groove 21 of described anchor nut 2 with the pin thread groove 41 of hanger bolt 4
Change.By this space, when described hanger bolt 4 is fastened to described anchor nut 2, described hanger bolt 4 will not be shaken and make a sound.
About the use of the embodiment with above structure, as it is shown in figure 1, described cone 3 is inserted described lower margin
The described bottom 2b of nut 2 fixes temporarily, and uses lower margin described in hammer across driver (not shown) etc.
Nut 2, thus described anchor nut 2 is driven in described preformed hole 6, the most described cone 3 be driven into described in expand
In portion 23, the most described cracking groove 22 opens, and described extension part 23 opens, thus is fixed in described building B.
Then, disc spring is inserted from the described leading section 2c of described anchor nut 2 so that it is be arranged in described spring incorporating section 23
In, form caulking part 28 at the described leading section 2c of described anchor nut 2, thus prevent described disc spring 5 from receiving from described spring
In portion 24 out.
If described hanger bolt 4 is fastened to be configured with in described spring incorporating section 24 described disc spring 5 describedly
Pin nut 2, and start to be fastened to the described pin thread groove 41 of described hanger bolt 4 the described spire 51 of described disc spring 5, then
The described one end 52 of described disc spring 5 can be axially moveable in described slit 25, thus is adjusted to the spiral shell of described spire 51
Pitch away from the described pin thread groove 41 with described hanger bolt 4 is consistent, simultaneously in described spring incorporating section 24, is embedded in institute
State the described spire 51 of described disc spring 5 in the described pin thread groove 41 of hanger bolt 4 with described one end 52 as fulcrum
Expand outwardly, so that the frictional force of the helix of the described disc spring 5 contacted with the described pin thread groove 41 of described hanger bolt 4
Reduce.If making described hanger bolt 4 revolve along twist-on direction relative to the described negative thread groove 21 of described anchor nut 2
Turning, the described pin thread groove 41 of the most described hanger bolt 4 will be screwed into the described negative thread groove 21 of described anchor nut 2
In.
The described spire 51 of the described disc spring 5 being fastened to described hanger bolt 4 is embedded in the institute of described hanger bolt 4
State in pin thread groove 41, and be pressed towards the axle center of hanger bolt 4 by the elastic force of helix of described spire 51.So
After, along with described hanger bolt 4 rotates towards twist-on direction, described spire 51 will be close contact in the described of described hanger bolt 4
Pin thread groove 41, whereby, even if described disc spring 5 is pulled and is reversed, due to described the other end 53 of described disc spring 5 be along
The periphery tangent line of described spire 51 stretches out towards off-direction R of described hanger bolt 4, the most described disc spring 5 described another
The front end of end 53 will not abut against with the side of described opening 26, thus the described pin thread groove 41 of described hanger bolt 4 will
Successfully it is fastened to the described negative thread groove 21 of described anchor nut 2.
Additionally, the vibration even if from described building portion B passes and makes described hanger bolt 4 relative to described lower margin
The described negative thread groove 21 of nut 2 rotates along off-direction R, in described spring incorporating section 24, with described disc spring 5 by described one
The mode that end 52 is shunk along internal diameter direction as fulcrum, the helix of the described spire 51 of described disc spring 5 be stretched and
Fasten the described pin thread groove 41 of described hanger bolt 4, thus be effectively prevented loosening.Become accordingly, with respect to described disc spring 5
The described hanger bolt 4 of one, in the part of the described spire 51 of described disc spring 5, rotation is prevented from, from without loosening.
If making hanger bolt 4 rotate to off-direction R and depart from from described anchor nut 2, then along with this rotation, described
The described spire 51 of disc spring 5 can be close contact in the described pin thread groove 41 of described hanger bolt 4, makes frictional force increase and stop rotation
Turn, if but rotate by the power that this rotation is above, then by the rotation of described hanger bolt 4, described disc spring 5 can be pulled
And reverse, the front end of described the other end 53 of described disc spring 5 can be with the contacts side surfaces of described opening 26, the most described disc spring 5
Can expand outwardly, friction is by disappearance or reduction etc., thus is freely rotatable, and makes described hanger bolt 4 fluff and protects described
The described pin thread groove 41 of hanger bolt 4, and can easily depart from from described anchor nut 2.
But, according to different situations, make described hanger bolt 4 can become excessive to the power that off-direction rotates, load meeting
Intensively putting on the described slit 25 that described one end 52 is engaged, the most described slit 25 there will be breakage or deformation, and
And described one end 52 there will be the deformation such as breakage or stretching, thus sometimes from the described slit 25 of described spring incorporating section 24
Depart from and make engaging release.
Then, according to Fig. 4 and Fig. 5, the 2nd embodiment is illustrated.In this embodiment, with the 1st embodiment phase
With composition illustrate enclosing identical symbol.
In the 2nd embodiment, in the described perisporium 2a of the described anchor nut 2 illustrated by the 1st embodiment
In the spring incorporating section 24 formed on side face, disc spring 51 is set.
Described disc spring 5 comprises the equal spire of spiral spacer 51, in the outer fix of described spire 51 to be parallel to
The axial mode of described spire 51 and the lateral ends portion 54 that bends and the described spire 51 along described disc spring 5
The other end 52 that periphery tangent line stretches out towards the off-direction of described hanger bolt 4.
The described lateral ends portion 54 of described disc spring 5 is can be sticked in it in the way of the moving axially of described spire 51
Cut-in length is more than the described slit 24 of described spring incorporating section 24 degree of depth.
Additionally, be provided with in the 2nd embodiment for prevent described disc spring 5 from described spring receiving room 24 out
Anti-shedding mechanism 7, and be provided with bend 55 in described lateral ends portion 54, connects by flexibly medial surface with described slit 25
The friction touched and produce, described disc spring 5 is not easy from described spring receiving room 23 out.
Described the other end 53 of described disc spring 5 is the same with the 1st embodiment, described perisporium 2a outputs with described
The relative opening 26 of slit 25 is along the periphery tangent line of the described spire 51 of described disc spring 5 towards the disengaging of described hanger bolt 4
Direction is stretched out, prominent to described opening 26 under contactless state.The front end of described the other end 53 of described disc spring 5 is positioned at institute
Within stating the periphery of anchor nut 2, it is set to the free end of described disc spring 5.
In the expanding anchor with above structure, by then passing through the described spire 51 making described disc spring 5
It is close contact in the described pin thread groove 41 of described hanger bolt 4 and utilizes frictional force to stop the institute being fastened to described anchor nut 2
State hanger bolt 4 to rotate towards off-direction, therefore, it is possible to reliably stop the described hanger bolt being fastened to described anchor nut 2
4 pass to described anchor nut 2 and loose or dislocation owing to vibration waits from described building B, and are configured at described hanger bolt 4
Described disc spring 5 can easily be screwed in the described pin thread 41 of described hanger bolt 4.
Additionally, described disc spring 5 makes the described one end 52,54 stretched out in the way of being parallel to described spire 51 axis
The described slit set is dug on the described perisporium 2a can only be sticked in the way of moving in the axial direction described spring incorporating section 24
25, if therefore described hanger bolt 4 to be inserted into the described lower margin being configured with described disc spring 5 in described spring receiving room 24
Nut 2 and make the described pin thread groove 41 of described hanger bolt 4 be fastened to the described spire 51 of described disc spring 5, the most described dish
The described one end 52,54 of spring 5 can be axially moveable in described slit 25, thus can be adjusted to the pitch of described spire 51
Consistent with the pitch of the described pin thread groove 41 of described hanger bolt 4.
Described the other end 52,54 of described disc spring 5 is the periphery tangent line court of the described spire 51 along described disc spring 5
Within the periphery of described anchor nut 2 is stretched out and be positioned to off-direction R of described hanger bolt 4, therefore by described hanging spiral shell
Bolt 4 is when described anchor nut 2 removes, and by making described hanger bolt 4 rotate towards off-direction R, described disc spring 5 is pulled
And reverse, the contacts side surfaces of the front end of described the other end 53 of described disc spring 5 and described opening 25, the most described disc spring 5 to
Outer expansion, can separate gap with the described spire 51 of the described pin thread groove 41 being close contact in described hanger bolt 4, make friction disappear
Mistake or reduction etc., thus be freely rotatable, make described hanger bolt 4 fluff, protect the described pin thread of described hanger bolt 4
Groove 41, and can depart from from described anchor nut 2 without barrier.
As for preventing described disc spring 5 anti-shedding mechanism 27 from described spring incorporating section 24 out, described
The described leading section 2c of pin nut 2 forms described caulking part 28, or the described one end of the disc spring in being inserted into described slit
54 arrange bend 54b, are contacted by flexibly medial surface with described slit 24 and produce friction and kept, whereby,
Even if at described slit 25, the described one end 52 of described disc spring 5 moves in the axial direction, and also can be reliably prevented described disc spring 5
From described spring incorporating section 24 out.
Protection scope of the present invention includes but not limited to embodiment of above, and protection scope of the present invention is with claims
It is as the criterion, replacement that any those skilled in the art making this technology is readily apparent that, deforms, improve and each fall within the present invention's
Protection domain.
Claims (3)
1. expanding anchor, it has: anchor nut, this nut is tubular, is formed with female threaded portion at inner peripheral surface, the end of at
Side, portion is provided with multiple cracking groove and forms the extension part that can expand；Hanger bolt, this bolt is with being fastened to described anchor nut
The pin thread groove of negative thread groove；And cone, this cone is inserted in described extension part；It is characterized by comprising: disc spring,
This disc spring is with the spire being embedded in described hanger bolt pin thread groove；And spring incorporating section, this incorporating section is with described
Negative thread groove compares the front being positioned at described anchor nut, can receive described disc spring；Described disc spring comprises: described to be parallel to
The mode of spire axis and the one end that stretches out and the other end stretched out along described spire periphery tangent line；Described dish
The described one end of spring is sticked in slit in the way of moving in the axial direction, and described spring incorporating section is located at by this slit chisel
Perisporium, the opening that described the other end of described disc spring is outputed under contactless state on described perisporium is prominent, described dish
The described spire of spring is close contact in the described pin thread groove of described hanger bolt and is fastened to described in described anchor nut to stop
Hanger bolt rotates towards off-direction.
Expanding anchor the most according to claim 1, it is characterised in that described the other end of wherein said disc spring
When described opening is prominent, it is that the off-direction along described spire periphery tangent line towards described hanger bolt is stretched out, and described
Within the front end of the other end is positioned at the periphery of described anchor nut.
Expanding anchor the most according to claim 1 and 2, it is characterised in that it has anti-shedding mechanism, is used for preventing
Only described disc spring from described spring receiving room out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381072.4A CN105864251B (en) | 2016-06-01 | 2016-06-01 | Expanding anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381072.4A CN105864251B (en) | 2016-06-01 | 2016-06-01 | Expanding anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864251A true CN105864251A (en) | 2016-08-17 |
| CN105864251B CN105864251B (en) | 2017-12-08 |
Family
ID=56676163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610381072.4A Active CN105864251B (en) | 2016-06-01 | 2016-06-01 | Expanding anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864251B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220018383A1 (en) * | 2018-12-07 | 2022-01-20 | Addup | Nut having a slot for a selective additive manufacturing apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842254A (en) * | 1971-10-01 | 1973-06-20 | ||
| SU1027314A1 (en) * | 1982-01-25 | 1983-07-07 | Gulyaev Vitalij V | Apparatus for cementing construction seams |
| JPH06230244A (en) * | 1992-12-28 | 1994-08-19 | Bt & D Technol Ltd | Optical connector |
| WO2005121570A1 (en) * | 2004-06-07 | 2005-12-22 | Sit Co., Ltd. | Falling-off prevention device and loosening prevention nut |
| US20110176887A1 (en) * | 2010-01-21 | 2011-07-21 | Im Young Woo | Saferlock nut |
| CN104271967A (en) * | 2012-04-27 | 2015-01-07 | 株式会社Khi | Drop-out prevention tool |
| CN205841414U (en) * | 2016-06-01 | 2016-12-28 | 宁波天辉机械有限公司 | Expanding anchor |
-
2016
- 2016-06-01 CN CN201610381072.4A patent/CN105864251B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842254A (en) * | 1971-10-01 | 1973-06-20 | ||
| SU1027314A1 (en) * | 1982-01-25 | 1983-07-07 | Gulyaev Vitalij V | Apparatus for cementing construction seams |
| JPH06230244A (en) * | 1992-12-28 | 1994-08-19 | Bt & D Technol Ltd | Optical connector |
| WO2005121570A1 (en) * | 2004-06-07 | 2005-12-22 | Sit Co., Ltd. | Falling-off prevention device and loosening prevention nut |
| US20110176887A1 (en) * | 2010-01-21 | 2011-07-21 | Im Young Woo | Saferlock nut |
| CN104271967A (en) * | 2012-04-27 | 2015-01-07 | 株式会社Khi | Drop-out prevention tool |
| CN205841414U (en) * | 2016-06-01 | 2016-12-28 | 宁波天辉机械有限公司 | Expanding anchor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220018383A1 (en) * | 2018-12-07 | 2022-01-20 | Addup | Nut having a slot for a selective additive manufacturing apparatus |
| US12011762B2 (en) * | 2018-12-07 | 2024-06-18 | Addup | Nut having a slot for a selective additive manufacturing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105864251B (en) | 2017-12-08 |
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Address after: No. 12, Hongxi Industrial Park, Chunhu Town, Fenghua District, Ningbo City, Zhejiang Province Patentee after: Ningbo Tianhui Machine Co., Ltd. Address before: Kaohsiung Beilun District 315801 in Zhejiang province Ningbo City No. 362 Ni Qiao Cun Patentee before: Ningbo Tianhui Machine Co., Ltd. |