CN201621167U - Thread sleeve with detachable tail - Google Patents
Thread sleeve with detachable tail Download PDFInfo
- Publication number
- CN201621167U CN201621167U CN2009202496330U CN200920249633U CN201621167U CN 201621167 U CN201621167 U CN 201621167U CN 2009202496330 U CN2009202496330 U CN 2009202496330U CN 200920249633 U CN200920249633 U CN 200920249633U CN 201621167 U CN201621167 U CN 201621167U
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- Prior art keywords
- swivel nut
- shaped body
- screw
- rear end
- afterbody
- 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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- 230000001154 acute effect Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 description 8
- 230000001771 impaired effect Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model relates to a thread sleeve, which comprises a spiral body, a detachable tail (4) and a pair of joint notches (10), wherein the spiral body is provided with a front end portion (3) and a rear end portion (6), the detachable tail (4) is connected with the front end portion (3) of the spiral body, and the joint notches (10) are formed on the rear end portion (6). Internal threads (2) are formed on the inner surface of the spiral body; external threads (1) are formed on the outer surface of the spiral body; the detachable tail (4) is provided with a circular portion (3a) with an outer diameter smaller than the outer diameter of the spiral body; and cut openings (11) are formed on at least one of surfaces facing backwards between the front end portion (3) and the circular portion (3a) and the inner surface facing the spiral body.
Description
Technical field
The utility model relates to a kind of swivel nut with detachable afterbody, and this swivel nut can be screwed in the hole of moulding in the workpiece, to provide internal thread on the internal surface in this hole.
Background technique
Swivel nut is the helical part, and it is used for forming internal thread on the internal surface in the hole of moulding in workpiece, and described workpiece is made by the lower material of hardness, such as plastics or aluminium, and can be referring to US-A-2607259 or US-A-2390514.
Figure 20-22 is depicted as the example of traditional swivel nut.This swivel nut forms by being wound into spiral wire, forms outside thread 31 and internal thread 32 respectively on the outer surface of this spirality metal silk and internal surface.The front end of this spirality metal silk forms first coiler part 33 that has than minor diameter, so that swivel nut can be screwed in the hole reposefully from that face of this first coiler part 33.
Front end at first coiler part 33 forms dismountable afterbody 34, and afterbody extends towards the center of first coiler part 33, forms recess 35 with cutting mode between first coiler part 33 wiry and afterbody 34, and this recess is easy to make afterbody 34 to separate.
When using swivel nut, pass swivel nut catching detachable afterbody 34 with instrument (not shown) insertion, and swivel nut is screwed in the hole of workpiece with this instrument.Then, pass this swivel nut with another instrument insertion and remove to push afterbody 34, wire is removed in the disconnection of recess 35 places and with afterbody 34.After afterbody 34 is dismantled, just bolt can be screwed into swivel nut until beyond the length of this swivel nut.
In order to extract the swivel nut that is screwed in the workpiece, as shown in figure 23, extracting tool 37 can be pushed into the rear end part 36 of swivel nut, make a pair of cutting edge 39 of instrument 37 force in the internal thread 32 of swivel nut.Then, turning tool 37 so that swivel nut in workpiece, withdraw from.
But above-mentioned swivel nut has following shortcoming: promptly, above-mentioned swivel nut can not be extracted, unless use the special extracting tool 37 of band cutting edge.In addition, if the thrust of extracting tool 37 too a little less than, this instrument 37 can not form the recess 38 of the enough degree of depth of tool, thereby can not come rotary threaded sleeve with this instrument 37.Otherwise if the thrust of extracting tool 37 is too strong, this instrument 37 can enlarge the diameter of swivel nut, thereby has increased the impaired risk of internal surface of hole.If the internal surface in hole is impaired, just perforate is being contained in new swivel nut in this hole again, if the internal diameter in hole enlarges because of perforate again, then new swivel nut must be greater than original swivel nut.Therefore, the operation of extracting tool 37 also is not easy, and needs special skill.
In addition, because recess 35 is formed on the front surface wiry shown in Figure 21, when passing the instrument pushing afterbody 34 of swivel nut with insertion, the rear surface 35a of recess 35 can produce the crack relatively.Yet this rear surface 35a is level and smooth, and the stress that produces because of pushing afterbody 34 is not concentrated on the single point wiry, and wire is split off also needs big load.
In addition, because the rear end part of swivel nut 36 is flat, when unscrewing swivel nut, can the swipe internal surface in hole of the edge 36a of rear end part 36.The scraping of back edge 36a not only can increase the rotational resistance of swivel nut, and can increase the impaired risk of internal surface in hole.
The model utility content
A purpose of the present utility model provides a kind of swivel nut that is easy to extract under the situation that need not special instrument and special skill.
In order to realize above-mentioned purpose, this swivel nut comprises screw-shaped body and the detachable afterbody that is made of the spirality metal silk.Screw-shaped body has fore-end and rear end part, and first wire end in the fore-end of detachable afterbody and screw-shaped body is connected, and rear end part has the pair of engaging recess, and this engagement recesses is formed on the relative both sides of internal surface of rear end part.In swivel nut of the present utility model, a general tool such as flat bottle opener (flat mouthful a screw-driver) inserted engagement recesses, just can firmly rotate the swivel nut that is screwed in the workpiece, and need not special skill and just can trip out swivel nut easily.Rear end part can have the pair of engaging recess, and this is to recess 180 degree formation at interval on the internal surface of rear end part.
Described screw-shaped body can be included in the internal thread of moulding on its internal surface, and the outside thread of moulding on its outer surface.In addition, detachable afterbody can have circular portion, and the external diameter of this circular portion is less than the external diameter of screw-shaped body.
Another purpose of the present utility model be after swivel nut is screwed into workpiece, be easy to make detachable portion from.In order to realize this purpose, can and detachably form a kerf at least between the afterbody at the fore-end of screw-shaped body, detachable afterbody is positioned at towards the surface of rear end part and at least one surface wherein, surface of screw-shaped body central shaft.Specifically, at least one otch is formed on first wire end and one of them surface between the detachable afterbody in the fore-end, and cut sides to the back-end part the surface and towards the surface of the central shaft of screw-shaped body.
Perhaps, otch can be formed between the circular portion of first wire end in the fore-end of screw-shaped body and detachable afterbody.
In the case, when pushing away detachable afterbody forward, stress will concentrate on the bottom of otch, and will produce the crack from the bottom of otch.Therefore can cut off detachable afterbody easily.The cross section of otch can be V-shaped, and can be formed between the annular portion of the fore-end of screw-shaped body and detachable afterbody.
Second wire end in the rear end part has the ear end face of cutting sth. askew in the outside of screw-shaped body.In the case because when unscrewing swivel nut can the not swipe internal surface of swivel nut of rear end part, therefore can prevent from wherein to be screwed into the damage in inner surface in the hole of swivel nut.In addition, the wire rear end surface of rear end part also has the planar surface perpendicular to the outer surface of stating screw-shaped body, and the whole periphery of this planar surface can be a scarf.
In addition, engagement recesses can have the instrument contact surface, and the internal surface of this surface and screw-shaped body intersects with right angle or acute angle haply, but also faces clockwise direction.In the case, the commentaries on classics power that is applied on the extracting tool can be delivered to engagement recesses effectively.
Description of drawings
Fig. 1 is the rear view according to the utility model first embodiment's swivel nut.
Fig. 2 is the side view according to first embodiment's swivel nut.
Fig. 3 is the front elevation according to first embodiment's swivel nut.
Fig. 4 is the sectional view along B-B line among Fig. 3.
Fig. 5 is the enlarged view of the rear end wiry of formation first embodiment's swivel nut.
Fig. 6 is first embodiment's the rear view of swivel nut when unscrewing.
Fig. 7 and Fig. 8 are respectively front elevation and the side view according to the utility model second embodiment's swivel nut.
Fig. 9 is the sectional view along C-C line among Fig. 7.
Figure 10 is the schematic representation that forms the method for engagement recesses among the utility model the 3rd embodiment.
Figure 11 is the schematic representation that forms the method for engagement recesses among the utility model the 4th embodiment.
Figure 12 is the schematic representation that forms the method for engagement recesses among the utility model the 5th embodiment.
Figure 13 to Figure 17 is the sectional view of a plurality of modification of otch.
Figure 18 and 19 is the rear view of the scarf modification of wire ends.
Figure 20 is the rear view of traditional swivel nut example.
Figure 21 is the side view of traditional swivel nut example.
Figure 22 is the front elevation of traditional swivel nut example.
Figure 23 is the rear view of traditional swivel nut example when unscrewing.
Embodiment
Fig. 1-6 is depicted as the swivel nut with detachable afterbody according to the utility model first embodiment.This swivel nut comprises the screw-shaped body with fore-end 3 and rear end part 6, and the detachable afterbody 4 that is connected to the fore-end 3 of screw-shaped body.Detachable afterbody 4 is used for when swivel nut is screwed into workpiece swivel nut being applied commentaries on classics power.On the internal surface of screw-shaped body, form internal thread 2, on the outer surface of screw-shaped body, form outside thread 1.In this embodiment, by wire being formed the spiral-shaped spirality swivel nut of making, and this cross section wiry assumes diamond in shape.The hardness ratio of making this metal wiry is used the hardness height of the workpiece of swivel nut.
Pair of engaging recess 10 is 180 degree formation at interval on the internal surface of the rear end part 6 of screw-shaped body.As shown in Figure 1, each engagement recesses 10 all has the recessed surperficial 10a that intersects with the obtuse angle with the internal surface of screw-shaped body, and haply perpendicular to the instrument contact surface 10b of screw-shaped body internal surface.Instrument contact surface 10b can form like this, so that crossing with acute angle with the internal surface of screw-shaped body.When seeing swivel nut from behind, contact surface 10b is towards clockwise, and in that when back-outing swivel nut, contact surface 10b engages with the two side ends of instrument 13 with instrument 13 (a for example flat mouthful screw-driver), as shown in Figure 6.
As shown in Figure 3, detachable afterbody 4 is made up of towards the straight part of the extension of central axis of screw-shaped body than the little semi-circular portion 3a of the external diameter of screw-shaped body with from the front end of semi-circular portion 3a external diameter.Between the fore-end 3 of semi-circular portion 3a and screw-shaped body, the otch 11 that is used to separate detachable afterbody 4 be formed on towards after the surface.In other words, this otch 11 is positioned at the deformation point place of radius of curvature wiry, and this otch 11 towards after.
Shown in Fig. 3 and 4, otch 11 is " V " tee section groove, and it has first surface 11a and second surface 11b, and cross line 11c is formed between first surface 11a and the second surface 11b, so that extend perpendicular to the internal surface of screw-shaped body substantially.Punching press or die-cut straight wire can form otch 11 and engagement recesses 10 simultaneously before wire is formed spirality.In the case, the productivity of making swivel nut can be improved, and the environmentally harmful machinery oil of possibility need not be used.Certainly, otch 11 and engagement recesses 10 can be after wire forms spirality or before form with cutting or grinding mode.
Figure 5 shows that the rear end part wiry that forms swivel nut.As Fig. 5 and shown in Figure 1, center planar surface 20 and be formed on the rear end part wiry around the beveled surface 15,16,17 and 18 of this planar surface.When back-outing swivel nut, beveled surface 15-18 can prevent the internal surface in the hole of swivel nut rear end part 6 scraping workpiece, therefore, can reduce the rotational resistance of swivel nut and reduce the impaired risk of internal surface of hole.Planar surface 20 is with wiry vertically vertical, and planar surface 20 is also avoided tapering off to a point at the centre bit of wire rear end part.Beveled surface 15-18 and planar surface 20 can form simultaneously as forming recess 10 and above-mentioned punching press or the Punching Technology mode of 11 usefulness.Certainly, these surperficial 15-20 also can wire form spiral-shaped after or before with the cutting or the grinding mode form.In this embodiment, although the fore-end of detachable afterbody 4 also has the scarf shape of the rear end that is similar to rear end part 6, the fore-end of detachable afterbody 4 can also have other shape.
In the screw for workpiece (not shown) that swivel nut is packed into, an instrument (not shown) is inserted through swivel nut from rear end part 6, and clamps detachable afterbody 4 with this instrument.Rotate this instrument then, swivel nut is screwed in the hole of workpiece in the self tapping mode.When swivel nut is screwed to predetermined depth, puller from swivel nut.Then, second instrument is inserted through swivel nut such as pin, clashes into detachable afterbody 4, make detachable afterbody 4 fracture at otch 11 places with this second instrument.
When pushing away with second instrument when hitting detachable afterbody 4, because otch 11 forms towards rear end part 6, thrust influence otch 11, makes otch 11 expansions, and can produce the crack easily from the cross line 11c of otch 11 bottoms.Therefore, afterbody 4 can be removed easily.
After afterbody 4 breaks away from, it is removed, and carry out the gauge inspection to determine that fore-end 3 is not out of shape the obstruction bolt and is screwed into.If swivel nut is distortion not, the assembly manipulation of this swivel nut has just been finished.
Next, in order to remove swivel nut, as shown in Figure 6, the 3rd instrument 13 can be inserted two engagement recesses 10 forward from workpiece.The 3rd instrument can be, a for example flat mouthful screw-driver, the width on its top greater than the internal diameter of swivel nut less than the ultimate range between two engagement recesses 10.Then, with when the contact surface 10b of engagement recesses 10 engages,, unscrew swivel nut, then swivel nut is withdrawed from from the hole of workpiece counterclockwise to rotate the 3rd instrument 13 at the 3rd instrument 13.
According to the swivel nut of present embodiment,,, thereby swivel nut is back-outed easily so that available general tool just can rotate the swivel nut of tightening stably such as a flat mouthful screw-driver because of engagement recesses 10 moulding in rear end part 6 in advance.In addition, do not need to make the edge of instrument to force internal surface, swivel nut is enlarged and cause the impaired risk of internal surface in hole nor have into swivel nut.
In addition, because of otch 11 is to form towards the back, when pushing away forward when hitting detachable afterbody, stress will concentrate on the bottom of otch 11, therefore will produce the crack from the bottom of otch 11.In addition, because otch 11 has " V " tee section, described crack is easy to produce from the cross line 11c of the V-shaped groove of bottom.Therefore, can cut off detachable afterbody 4 easily.
In the present embodiment, compare with the situation of traditional swivel nut, can remove detachable afterbody 4 easily, the circular portion 3a of afterbody 4 can prolong, but can not reduce the easy cuttability of afterbody 4.Therefore, the external diameter of the fore-end of circular portion 3a can be dwindled, and the flatness that swivel nut inserts the hole of workpiece can be improved.This effect is very important, especially bigger to swivel nut diameter situation.
In addition, be scarf owing to form the rear end part wiry of swivel nut, as beveled surface 15-18, when swivel nut is back-outed by instrument, can the not swipe internal surface of screw of workpiece of rear end part wiry.Therefore, can reduce the rotational resistance and the impaired risk of screw internal surface of swivel nut.Although be formed with four beveled surface 15-18 in this embodiment, also can only form a beveled surface in the outside of screw-shaped body.
In addition, most advanced and sophisticated because planar surface 20 is formed on the rearward end wiry to avoid producing, thus prevent rearward end injury wiry or puncture the risk of operator's skin or clothing.
In addition, in the present embodiment, since each engagement recesses 10 all have the recessed surperficial 10a that intersects with the obtuse angle with the internal surface of screw-shaped body and with the internal surface of screw-shaped body instrument contact surface 10b with acute angle or right angle intersection, the operator can be easy to notice that whether he be screwed into the direction turning tool to swivel nut.Therefore, can prevent to make the internal surface of screw impaired because of excessively being screwed into swivel nut.In addition, internal surface in instrument contact surface 10b and screw-shaped body acutangulates under the crossing situation, by second instrument being inserted rear end part 6 and rotating this instrument with counter clockwise direction, the both side edges of instrument can firmly engage with the sharp edge of engagement recesses 10, and commentaries on classics power can be delivered to swivel nut effectively.
Fig. 7-9 is depicted as second embodiment of the present utility model, and this embodiment is characterised in that, otch 11 is formed on the internal surface of screw-shaped body (that is, on internal thread 2).The cross section of otch 11 is V-shaped, and its degree of depth is approximately half of screw-shaped body thickness.But the degree of depth of otch is not limited to this in the utility model, and this degree of depth can change on demand.
In this embodiment, when pushing away forward with second instrument when hitting detachable afterbody 4, stress is concentrated on the some 11e that cross line 11c and rear surface wiry intersects, and the crack produces from this 11e easily.Therefore, can with the thrust that reduces afterbody 4 be separated easily.
Figure 10-12 illustrates a plurality of modification of engagement recesses 10 respectively.
In the embodiment shown in fig. 10, a pair of recess 10 moulding in the straight wire shown in Figure 10 (a) with square sectional, this wire is curved spiral-shaped shown in Figure 10 (b), make two recesses 10 be arranged in 180 degree on the internal surface of screw-shaped body at interval.In the case, because each engagement recesses 10 all has a pair of and the vertical haply surface of the internal surface of screw-shaped body, therefore use picture to put down instrument the mouth screw-driver to the direction that is screwed into and back-outs rotary threaded sleeve easily just.
In embodiment as shown in figure 11, a pair of recess 10 moulding in the straight wire shown in Figure 11 (a) with arc section, this wire is curved spiral-shaped shown in Figure 11 (b), make cross section semicircular in shape on the internal surface of screw-shaped body of recess 10.
In addition, in embodiment as shown in figure 12, a pair of recess 10 moulding in the straight wire shown in Figure 12 (a) with trapezoid cross section curves spiral-shaped shown in Figure 12 (b) with this wire, makes recess 10 be arranged on the internal surface of screw-shaped body.One side of engagement recesses 10 and the internal surface of screw-shaped body intersect with acute angle, and its another side is then crossing with the obtuse angle with the internal surface of screw-shaped body.In the case, can obtain same effect as among first embodiment.In addition, because the bottom surface and the parallel longitudinal wiry of engagement recesses 10, the A/F of engagement recesses 10 is bigger, therefore, can make second instrument be easy to insert.
The shape of engagement recesses is not limited to these shapes, and it can be revised as Any shape, as long as engagement recesses can engage such as a flat mouthful screw-driver with general tool.And, the number of engagement recesses 10 can be one or three or more than.For example, preferably provide four with the isolated engagement recesses of 90 degree, because in the case, visual situation is selected one of them of two instrument insertion positions.
Figure 13-17 illustrates several modification of otch 11 respectively.As shown in figure 13, the otch that can form among depth ratio first embodiment of otch 11 is darker.Shown in Figure 14-17, if necessary, the direction that otch 11 faces can change.
In addition, the scarf of rear end part wiry can be revised, as long as the internal surface of the workpiece hole that can prevent to swipe.For example, as shown in figure 18, the outer rim of the end face of can only cutting sth. askew, or as shown in figure 19, the outer rim and the inner edge of the end face of can cutting sth. askew.
Claims (10)
1. swivel nut, it comprises screw-shaped body and the detachable afterbody (4) that is made of the spirality metal silk, described screw-shaped body has fore-end (3) and rear end part (6), first wire end in the fore-end (3) of described detachable afterbody (4) and described screw-shaped body is connected, it is characterized in that, described rear end part (6) has pair of engaging recess (10), and described engagement recesses is formed on the relative both sides of internal surface of described rear end part (6).
2. swivel nut as claimed in claim 1, it is characterized in that, internal thread (2) is formed on the internal surface of described screw-shaped body, outside thread (1) is formed on the outer surface of described screw-shaped body, and described detachable afterbody (4) has circular portion (3a), and the external diameter of described circular portion (3a) is littler than the external diameter of described screw-shaped body.
3. swivel nut as claimed in claim 1, it is characterized in that, at least one otch (11) is formed on described first wire end and one of them surface between the described detachable afterbody (4) in the described fore-end (3), and described cut sides is to the surface of described rear end part (6) with towards the surface of the central shaft of described screw-shaped body.
4. swivel nut as claimed in claim 1 is characterized in that, second wire end in the described rear end part (6) has the ear end face (15-18) of cutting sth. askew in the outside of described screw-shaped body.
5. swivel nut as claimed in claim 4 is characterized in that, the wire rear end surface of described rear end part (6) also has the planar surface (20) perpendicular to the outer surface of described screw-shaped body.
6. swivel nut as claimed in claim 3 is characterized in that, the cross section of described otch (11) is V-shaped.
7. swivel nut as claimed in claim 2 is characterized in that, described otch (11) is formed between the described circular portion (3a) of described first wire end in the described fore-end (3) of described screw-shaped body and described detachable afterbody (4).
8. swivel nut as claimed in claim 1 is characterized in that, the described pair of engaging recess (10) that forms on the internal surface of described rear end part (6) is 180 degree at interval.
9. swivel nut as claimed in claim 1, it is characterized in that, described engagement recesses (10) has the instrument contact surface, and described instrument contact surface is substantially perpendicular to the internal surface of described screw-shaped body, and when from after when watching described instrument contact surface towards clockwise direction.
10. swivel nut as claimed in claim 1, it is characterized in that described engagement recesses (10) has the instrument contact surface, the internal surface of described instrument contact surface and described screw-shaped body intersects with acute angle, and when from after when watching, described instrument contact surface is towards clockwise direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202496330U CN201621167U (en) | 2009-10-20 | 2009-10-20 | Thread sleeve with detachable tail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202496330U CN201621167U (en) | 2009-10-20 | 2009-10-20 | Thread sleeve with detachable tail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621167U true CN201621167U (en) | 2010-11-03 |
Family
ID=43024622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202496330U Expired - Fee Related CN201621167U (en) | 2009-10-20 | 2009-10-20 | Thread sleeve with detachable tail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103282164A (en) * | 2010-11-08 | 2013-09-04 | 伯尔霍夫连接技术有限公司 | Wire thread insert having an installation pin that can be bent back, and also the production and installation thereof |
| CN105275962A (en) * | 2014-07-01 | 2016-01-27 | 友源机械有限公司 | Thread sheath |
-
2009
- 2009-10-20 CN CN2009202496330U patent/CN201621167U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103282164A (en) * | 2010-11-08 | 2013-09-04 | 伯尔霍夫连接技术有限公司 | Wire thread insert having an installation pin that can be bent back, and also the production and installation thereof |
| CN103282164B (en) * | 2010-11-08 | 2015-11-25 | 伯尔霍夫连接技术有限公司 | Comprising can the wire threaded insert of mount pin of back bending and manufacture thereof and installation |
| US9719546B2 (en) | 2010-11-08 | 2017-08-01 | Böllhoff Verbindungstechnik GmbH | Wire thread insert with redressable mounting tang as well as its manufacturing and installation |
| CN105275962A (en) * | 2014-07-01 | 2016-01-27 | 友源机械有限公司 | Thread sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20181020 |