CN106369029B - Clamp device and expansion anchor - Google Patents
Clamp device and expansion anchor Download PDFInfo
- Publication number
- CN106369029B CN106369029B CN201610581254.6A CN201610581254A CN106369029B CN 106369029 B CN106369029 B CN 106369029B CN 201610581254 A CN201610581254 A CN 201610581254A CN 106369029 B CN106369029 B CN 106369029B
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- Prior art keywords
- bulging
- sleeve
- along
- slot
- anchor
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- 230000000694 effects Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000135309 Processus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
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- 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
-
- 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
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/95—Constructional details of connections not covered for in other groups of this subclass with markings, colours, indicators or the like
Abstract
The present invention relates to the clamp devices for having anchor bottom (1) and expansion anchor (2).Expansion anchor (2) has anchor bolt (8) and bulging sleeve (9) and can be anchored in anchor bottom (1) by bulging sleeve (9) in the bulging in blind hole (4).The first setting sounding mark (17) is disposed at bulging sleeve (9), the setting sounding mark along being fitted into the front end (22) of direction (E) in the state of non-bulging, when expansion anchor (2) is fitted into according to schedule in blind hole (4), it is located at eyelet mouth (5) or is located in blind hole (4).
Description
Technical field
It is swollen in the clamp device the present invention relates to the clamp device with anchor bottom and expansion anchor and for using
Expansion anchor bolt.
Background technique
The known expansion anchor from 0 308 319 B1 of European patent document EP, which can be shape-ordinatedly
It is anchored in the blind hole in anchor bottom.In this regard, the bulging section of the bulging sleeve of expansion anchor pushes away the bulging body for being connected to anchor bolt, from
And bulging section radially broadens.In order to be anchored, expansion anchor is introduced into blind hole, until anchor bolt is stood on the hole eyeground of blind hole
Place, and bulging sleeve is pushed away to such degree and the impact to its rear end and is connected to bulging body, until being arranged at anchor bolt
Sounding mark is set by the movement of bulging sleeve as it can be seen that the setting sounding mark be for bulging sleeve according to schedule
The mark of bulging.Disadvantageously for well known clamp device, when blind hole is not punched sufficiently deep, bulging sleeve bulging it
Processus aboralis as condition is also showing bulging according to schedule and bulging area when setting sounding mark for eyelet mouth, using tolerance
Section according to schedule bulging when just protrude from eyelet mouth." according to schedule " it indicates: is followed in technological document herein and below
In for using the depth of condition illustrated by corresponding expansion anchor, such as blind hole, namely for example utilize required depth
To manufacture blind hole.It, must in order to manufacture blind hole from bulging anchor pole known in 0 308 319 B1 of European patent document EP
The special shoulder drill bit with stop shoulder must be used, the defined drilling depth of the shoulder drill bit is coordinated to bulging anchor bolt
Setting depth according to schedule.Such shoulder drill bit is for example from file " the European skill for cutting bottom anchor bolt HMU-PF for Hilti
It is known that illustrating the peace according to schedule of this expansion anchor in this document in the ETA 14/0069 " of art evaluation 02/2014
Dress.
Summary of the invention
Task of the invention lies in, it is proposed that for the expansion anchor of clamp device, which can be fitted into blind hole,
The blind hole is manufactured using the drill bit without stop shoulder.
According to the present invention, by the clamp device with anchor bottom and expansion anchor and for use in the clamp device
Expansion anchor solve the task.
Clamp device according to the present invention has anchor bottom and expansion anchor.The anchor bottom of anchor bottom especially mineral, e.g.
The cover or wall portion formed by concrete.By blind hole punching into anchor bottom, the expansion anchor for anchoring is introduced into the blind hole.
The blind hole extends up to hole eyeground from eyelet mouth in anchor bottom." eyelet mouth " refers to such part of blind hole, the part
In the region on the surface at anchor bottom, blind hole is placed in anchor bottom by the surface.Circular blind hole of the eyelet mouth especially with anchor bottom
Surface flush.If expansion anchor is fitted into anchor bottom in being inserted through installation across installation part, blind hole is in ordinary circumstance
It is punched across the installation part.In this case, eyelet mouth is such region of blind hole, and the region and installation part are surround
The surface of blind hole flushes.But " the hole eyeground " of blind hole closes blind hole in its depth.Eyelet mouth forms blind hole as a result,
Along the rear end for being packed into direction, expansion anchor is placed into blind hole, and hole eyeground forms the front end of blind hole.Eyelet mouth and eyelet
Bottom through hole eyewall is connected.
Expansion anchor has anchor bolt and bulging sleeve and can be anchored on by bulging of the bulging sleeve in blind hole
In anchor bottom.Expansion anchor extends especially along longitudinally along longitudinal axis, which is especially parallel to the loading side of expansion anchor
To and move towards into blind hole.Anchor bolt at least its be packed into direction on rear portion part at have especially using external screw thread as form
Load effect device, nut can be screwed on the external screw thread.In this region, anchor bolt constructs especially cylindrically.Anchor bolt
There is the bulging body for being used for bulging of the bulging sleeve in blind hole being fitted into side.In particular, bulging body is along loading direction in diameter
In especially conically extend." diameter " indicates that surrounding for periphery circle is located at the straight of the cross section for cutting bottom anchor bolt in lower plane
Diameter, relative to the plane, longitudinal axis forms face normal.In particular, longitudinal axis crosses longitudinal axis in the midpoint of periphery circle.Bulging
Body can especially have the shape of truncated cone and be configured with curved bulging face.
The bulging sleeved tubular, especially hollow construct cylindrically.The bulging sleeve of tubulose can close in circumference
It closes or completely or partially cracks gap about its length.The bulging sleeve of the tubulose of expansion anchor according to the present invention being capable of example
It is such as made of metal by the pipe being closed or is made up of plate of forming, wherein the bulging sleeve has seam in latter instance
Gap, the gap extend past the whole length of the bulging sleeve, as long as the gap does not pass through welding etc. and is closed.Bulging sleeve is outstanding
It can also be constructed in a manner of more than one piece by piece-wise, certainly and can be movably arranged at anchor bolt along longitudinal, especially
It so arranges, i.e., bulging sleeve circumferentially surrounds the anchor bolt.Here, " can move along longitudinal " indicates: bulging set
Cylinder for example can be moved directly towards bulging body by setting tool along longitudinal axis in the longitudinal direction.This is not excluded for: bulging sleeve
It is maintained in anchor bolt by anti-forfeiture element, so that bulging sleeve can not be released in transport from anchor bolt.Anti- forfeiture element
Especially dotted press-in portion e.g. in the envelope surface of bulging sleeve, the press-in portion are scarfed to the load effect for being configured to screw thread
In device.Bulging sleeve along be packed into direction front have bulging section, the bulging section by bulging body can distending,
That is can become larger in diameter.
In particular, the bulging section of expansion anchor according to the present invention in multiple times end crack gap and have pass through institute
State the swollen element that slot is separated from each other.In principle, bulging sleeve can be basically about its whole length by gap of cracking.But
The bulging sleeve be packed into direction on rear portion part at, bulging sleeve especially has only one gap or especially do not have
Gap, thus do not protected at this.Swollen element by bulging body radially from away from each other can distending, when bulging sleeve
Bulging section push away when being connected on bulging body.The gap can be moved towards in the longitudinal direction or relative to longitudinal axis.Swollen element
Especially construct in cantilever manner and in the circumferential curvedly.Material weakenings can be set at swollen element, the material weakenings
Distending is facilitated, namely facilitates the bending of swollen element radially outwardly left from longitudinal axis.This weakenings can be such as
It is the extension of the part of the slot moved towards in the circumferential, the notch of the wall of bulging sleeve or one or more gaps, wherein described
Weakenings are especially arranged in gap in the region for the rear end being fitted on direction.
Expansion anchor constructs especially truely, so that setting tool to be placed into the rear end of bulging sleeve for bulging
Place, and bulging sleeve can push away by the impact of the rear end of the effect bulging sleeve and be connected to bulging body.The impact can
Especially directly from setting tool transport to bulging sleeve.In this regard, setting tool equally can be constructed tube-shaped.It, will for bulging
Bulging body especially position is securely maintained in eyelet, and especially method is: anchor bolt rests on eyelet bottom using its front end.
According to the present invention, the first setting sounding mark is disposed at the bulging sleeve of expansion anchor, the setting depth mark
Note along be fitted into the front end in direction in the state of non-bulging (when anchor bolt stand according to schedule blind hole eyelet bottom and
The such degree of bulging sleeve it is mobile towards bulging body so that the bulging sleeve can not continue in the case where no distending to
Bulging body it is mobile when) be located at eyelet mouth or be located in blind hole.Be arranged sounding mark along be packed into direction front end according to
The present invention does not protrude from eyelet mouth against loading direction in this position.Thus first setting sounding mark is so arranged in
At bulging sleeve so that the setting sounding mark is located in this position, when blind hole have for expansion anchor according to schedule
When the enough depth of bulging.If first setting sounding mark along be packed into direction front end be located at the outside of blind hole this
In position, then the first setting sounding mark signals towards user so that expansion anchor still cannot bulging, but must be from
The blind hole is removed and deeper punched in blind hole, until reaching drilling depth according to schedule.Expansion anchor is used as herein
The test gauge amount of depth for blind hole.It is therefore not necessary to use the shoulder drill bit of the special punching for blind hole.Particular with
The first setting sounding mark is arranged with the spacing of bulging section.
Preferably, first setting sounding mark be also configured in such a manner so that the setting sounding mark along be packed into direction
Rear end in the state of non-bulging (when anchor bolt founds the bases and bulging sleeve such degree in blind hole according to schedule
It is mobile towards bulging body, when so that the bulging sleeve can not continue towards the movement of bulging body in the case where no distending) position
Outside at eyelet mouth or positioned at blind hole, thus eyelet mouth is protruded from against direction is packed into.This signals to user: blind hole
Nor punching too far.Thus the spacing that the front and rear end of sounding mark is arranged especially corresponds to permitting according to schedule for blind hole
Perhaps the size of hole depth tolerance.
Clamp device according to the present invention preferably so constructs, so that the rear end of bulging sleeve is in the state through bulging
(in this state, expansion anchor is anchored in blind hole according to schedule) flushes with eyelet mouth or is located in blind hole.Thus expand
Anchor bolt is configured in such a manner so that the expansion anchor in blind hole with the bulging according to schedule of depth according to schedule, when bulging set
When not protruding from eyelet mouth against loading direction along the rear end for being packed into direction of cylinder.If the rear end of bulging sleeve and eyelet mouth
It flushes, then user recognizes, and setting up procedure is moved to end and expansion anchor sufficiently bulging and earth anchor according to schedule
It is scheduled in blind hole.
Preferably, the second setting sounding mark is disposed at the anchor bolt of expansion anchor, the setting sounding mark according to
Eyelet mouth is at least partially projected in the state of plan ground bulging.Second setting sounding mark is especially in the state of non-bulging
It is covered by bulging sleeve.If bulging sleeve pushes away far enough is connected to bulging body, the second setting sounding mark occurs and shows
Out: expansion anchor bulging according to schedule.
First and/or second setting sounding mark can be, for example, color mark, especially using circular color ring as form
It is configured to piercing portion, is configured to imprint or be configured to annular knurl, wherein it is not closed that these, which are enumerated,.Preferably, the first setting
Sounding mark is slot, which is mountable at bulging sleeve simply and on spending advantageous by turning or forming,
The bulging sleeve is formed from steel in ordinary circumstance as anchor bolt.
It is furthermore preferred that being less than the shape in non-bulging in the state through bulging along the width of slot measured by longitudinal direction
In state.The slot is configured in such a manner, so that the slot can be by after the bulging according to schedule in blind hole of bulging sleeve
Compression.Bulging sleeve weakens in the region of slot, so that bulging sleeve for example passes through the edge to bulging sleeve in the region of slot
Be packed into direction rear end impact and can shorten along longitudinal compression and thus.This has the advantage that bulging set
Cylinder is (when bulging sleeve protrudes from hole using it along the rear end for being packed into direction due to tolerance after bulging according to schedule
When eye mouth) it can be compressed, until the rear end of the bulging sleeve is flushed with eyelet mouth.
Expansion anchor can be used especially for clamp device according to the present invention, as according to the preferred embodiment with it is other
The expansion anchor of embodiment is such.Expansion anchor according to the present invention is referred to for clamp device according to the present invention more
Add the special embodiment of the expansion anchor generally illustrated.Expansion anchor according to the present invention is characterized in that,
The slot circumferentially moved towards is configured at bulging sleeve.Furthermore bulging sleeve has the front for being arranged in slot along direction is packed into
The section of front and along be packed into direction be arranged in slot rear rear portion section.The section and slot at rear portion are according to the present invention such as
This place construction, so that being greater than the one of the length of the section along rear portion measured by longitudinal direction along the width of slot measured by longitudinal direction
Half, preferably more than the section at rear portion along length measured by longitudinal direction.The slot has enough width as a result, so as to
It is normally used as setting sounding mark, which has enough margins of tolerance.But the size of the section at rear portion
It is the scale for shift motion, the shift motion is needed to be used to bulging sleeve bulging according to schedule.The slot being capable of edge
Circumferential closure, so that the slot fully circumferentially surrounds the bulging sleeve.But the slot is only constructed certainly in bulging set
At a part of the circumference of cylinder.Preferably, the rear that slot particular with spacing is arranged in bulging section along direction is packed into, especially
It is arranged in the region that do not protected of bulging sleeve.The slot is especially used as the first setting sounding mark.The slot is due to it
Positioning according to the present invention thus can preferably see in external (in the envelope surface of bulging sleeve).It is packed by expansion anchor
When in blind hole, slot as setting sounding mark show: whether blind hole sufficiently deep punch or whether user must be by blind hole also
It deeper to punch.Blind hole must be punched so deeply, so that slot is in the state of the non-bulging of expansion anchor and works as anchor bolt
It is stood according to schedule in the bases of blind hole in the region of eyelet mouth.Here, the such degree of bulging sleeve towards drum
Swollen body passage, so that the bulging sleeve can not continue towards the movement of bulging body in the case where not distending.The slot being capable of volume
It also be used to dismantle bulging sleeve as the purposes of the first setting sounding mark in it outside, when the depth of blind hole is not enough and drum
Expansion set cylinder mistakenly still bulging when.In this case, extracting tool can be abutted against at slot, which is applied in slot
And bulging sleeve can be displaced outwardly against being fitted into direction from blind hole backward using the extracting tool.
In a preferred embodiment of expansion anchor according to the present invention, the radial depth of slot is greater than in the area of slot
The 80% of the radial residual wall thickness of bulging sleeve in domain.In particular, the radial depth of slot is greater than the 90% of radial residual wall thickness,
Especially greater than or equal to radial residual wall thickness." radial direction " herein relates to the direction for the longitudinal axis for being orthogonal to expansion anchor.In particular,
It is less than the wall thickness of the bulging sleeve in fore and/or rear portion section in the wall thickness of the bulging sleeve in the region of slot
60%.Since wall thickness is small, then bulging sleeve can be shortened in the region of slot by compressing, so that bulging sleeve passes through compression
It can be set flush with eyelet mouth in clamp device according to the present invention.In addition, along the width of slot measured by longitudinal direction
Greater than three times, especially greater than 3.5 times of radial residual wall thickness, this is advantageous for compression, because in this construction side
In case, the wall of the slot is deformed radially outward and will not directly be deformed towards anchor bolt.
Preferably, so appearance coining portion for having at least one especially dotted in the region of slot, so that bulging sleeve
Have at least one protrusion for axially insuring bulging sleeve at anchor bolt on its inside towards anchor bolt.In particular,
The protrusion, which is scarfed to, to be configured in externally threaded load effect device.Coining cage structure is had the advantage that in the region of slot
Be, since the residual wall thickness in the region of slot is small, then coining portion be stamped in it is feasible when small power.
The present invention is further explained by the embodiment shown in the accompanying drawings below.
Detailed description of the invention
It shows:
Fig. 1 is the fastening according to the present invention dress with the expansion anchor according to the present invention in the state of non-bulging
It sets；
Fig. 2 is the schematic diagram of the increase of the concrete condition II in Fig. 1；
Fig. 3 is the clamp device of Fig. 1 with the expansion anchor in the state through bulging；And
Fig. 4 is the clamp device of Fig. 3 of the blind hole with somewhat shorter.
Specific embodiment
In Fig. 1 to 4, the clamp device according to the present invention with anchor bottom 1 and expansion anchor 2 is illustrated.Anchor bottom 1 be by
The wall portion with surface 3 that concrete is formed, blind hole 4 form oral area, i.e. eyelet mouth 5 in the surface.Eyelet mouth 5 and anchor bottom 1
The surface 3 of circular blind hole 4 flush.Blind hole 4 in anchor bottom 1 from eyelet mouth 5(from expansion anchor 2 along be packed into direction E towards
Seen in blind hole 4, which forms the rear end of blind hole 4) extend towards the hole eyeground 6 of taper, which forms blind hole 4
Along the front end for being packed into direction E.Eyelet mouth 5 is connected with 6 through hole eyewall 7 of hole eyeground.
Expansion anchor 2 extends and along the longitudinal axis L for being packed into direction E trend is parallel to anchor bolt 8 and bulging sleeve
9.At anchor bolt 8, the external screw thread 10 as load effect device 11 is configured at the part along the rear portion for being packed into direction E,
The external screw thread extends past about 2/3rds of the axial length of anchor bolt 8.Along the front for being packed into direction E, anchor bolt 8 has
The cylindrical bulging body 12 of taper, the bulging body are extended in diameter in the region of its taper along being fitted into direction E.Anchor bolt 8
It is constructed to frustum-like shape at its front end 13, i.e., with the diameter reduced along direction E is packed into.The front end 13 of the frustum-like shape of anchor bolt 8
Corresponding to the hole eyeground 6 of taper, anchor bolt 8, which is supported on and utilizes, rests on the eyelet bottom with 13 plane earth of front end.
Bulging sleeve 9 is disposed in the bulging section 14 of the gap of cracking at bulging sleeve 9 in front with along loading direction E
It is integrally configured to the pipe being closed in circumference, in the bulging section, the bulging sleeve 9 is divided into cantilever by gap
The swollen element 15 of shape.Bulging sleeve 9 can be movably arranged at anchor bolt 8 along longitudinal direction namely along longitudinal axis L.Bulging set
Thus cylinder 9 can be moved so towards bulging body 10 along being packed into direction E so that the swollen element 15 of bulging section 14 relative to
Longitudinal axis L radially along radial r from moving away from each other, thus the bulging in blind hole 4 of bulging section 14.Here, swollen member
Part 15 is squeezed towards hole eyewall 7, as this point is visible in figs 2 and 3, is illustrated in these figures through bulging
Expansion anchor 2 in state.Differently, the state of non-bulging is illustrated in Fig. 1, in this state, anchor bolt 8 is stood in blind hole 4
Hole eyeground 6 at, and the such degree of bulging sleeve 9 towards bulging body 12 elapse so that the bulging sleeve is stood in bulging body
It can not be mobile further towards bulging body 12 at 12 and in the case where not distending.
The slot 16 circumferentially moved towards as the first setting sounding mark 17 be arranged in bulging sleeve 9 rear portion not by anti-
At the part of shield.Bulging sleeve 9 is along loading direction E in section 18 of the front of slot 16 with front and at the rear of slot 16
Section 19 with rear portion.16 appearance of slot has the cross section of rectangle.The slot is in the region of slot 16 by the wall thickness d of bulging sleeve 9
It is decreased to residual wall thickness dR, wherein the radial depth t of slot 16 is calculated as the 60%(of the radial wall thickness d of bulging sleeve 9 referring to figure
2).Thus the depth t of slot 16 is greater than the residual wall thickness d of the bulging sleeve 9 in the region of slot 16R.Slot 16 along longitudinal institute
The width B of measurement is greater than radial residual wall thickness dR3.5 times and thus also greater than the section 19 at the rear portion of bulging sleeve 9
Along length L measured by longitudinal directionH.Directly have towards the so appearance of anchor bolt 8 at the middle part of slot 16 towards inner radial dotted
Coining portion 20, so that bulging sleeve 9 is upper on the inside of it to have protrusion 21, which is scarfed in the external screw thread 10 of anchor bolt 8, and
Bulging sleeve 9 is prevented the axial movement at anchor bolt 8 not being expected to by insuring.
In order to which expansion anchor 2 to be anchored in blind hole 4, expansion anchor 2 is pushed into blind hole 4 first, until expansion anchor 2
It is stood at hole eyeground 6 using the front end 13 of anchor bolt 8.Before bulging, the expansion anchor 2 being introduced into blind hole 4 is located at non-bulging
In state, as illustrating the state in Fig. 1.Here, the such degree of bulging sleeve 9 towards bulging body 12 elapse so that
It is mobile that the bulging sleeve can not continue towards bulging body 12 in the case where not distending.In such state, it is set as first
The front end 22 for setting the slot 16 that sounding mark 17 works is located at eyelet mouth 5, namely is located at the surface 3 at eyelet mouth 5 and anchor bottom 1
In one plane (referring to fig. 2).The first setting sounding mark 17 signals to user as a result: blind hole 4 has according to schedule
Depth, and expansion anchor 2 is located in blind hole 4 according to schedule, so that the expansion anchor at this time being capable of bulging.It is set for first
The front end 22 for setting sounding mark 17 be located in blind hole 4 and the only a part of slot 16 for user visibly against be packed into direction
E protrudes from 5 such case of eyelet mouth, this point is also suitable.Slot 16 has width B, which corresponds to the permission of the depth of blind hole 4
The margin of tolerance.It means that the rear end 23 of the first setting sounding mark 23 is located at blind hole 4 when blind hole 4 is punched too far
In, when anchor bolt 8 is stood at hole eyeground 6.Then, user is no longer able to see slot 16, so that the user is visible: blind hole 4
Without depth according to schedule.But if blind hole 4 is not punched sufficiently deep, the section 18 of the front of bulging sleeve 9 is protected
It holds visible.
If expansion anchor 2 is fitted into according to schedule in blind hole 4, pass through the impact of the rear end 24 to bulging sleeve, drum
Expansion set cylinder 9, which is pushed away, is connected to bulging body 12, thus the swollen element 15 of the bulging section 14 for gap of cracking radially outwardly from each other from
It moves with opening and is squeezed towards hole eyewall 7, as illustrating this point in figures 3 and 4.The situation shown in Fig. 3 is: drum
The bulging section 14 of expansion set cylinder 9 bulging according to schedule.Expansion anchor 2 is located in the state through bulging, and the expansion anchor is at this
It is anchored on according to schedule in state in the blind hole 4 in anchor bottom 1.In such state, the rear end 24 of bulging sleeve 9 and eyelet
Mouth 5 flushes.This signals to user: expansion anchor 2 is anchored on according to schedule in anchor bottom 1.As an alternative, rear end 24
Also can be located in blind hole 4.In such state, extraly visible second setting sounding mark 25, the setting sounding mark are made
It is constructed at anchor bolt 8 for circular color ring and projects partly outwards of eyelet mouth 5.Second setting sounding mark 25 is equally used for
Check: bulging sleeve 9 pushes away far enough is connected to bulging body 12 and the thus bulging according to schedule of bulging section 14.
The blind hole 4' shown in Fig. 4 has the depth of the depth of the blind hole 4 slightly less than in Fig. 3.Blind hole 4' is not
According to schedule, it but does not punch sufficiently deep.In this case, in the state of non-bulging, the first setting sounding mark 17
Front end 22 can protrude from eyelet mouth 5.This can signal to user: blind hole 4' does not have depth according to schedule.But if
User still can bulging sleeve 9 described in bulging, then the rear end 24 of bulging sleeve 9 can be after bulging according to schedule against loading
Direction E protrudes from eyelet mouth 5, and which prevent the assembly of installation part (not shown).Since slot 16 is with relative to its remaining wall
Thick dRBigger width B structural scheme according to the present invention, then bulging sleeve 9 can utilize phase in the region of slot 16
Compressed (even if the bulging section of bulging sleeve 9 to the such degree of impact energy improved for bulging according to schedule
14 according to schedule by bulging), until the rear end of bulging sleeve 9 24 is flushed with eyelet mouth 5.By the compression, along vertical
It is less than in the state of non-bulging in the state through bulging to the width B' of measured slot 16.It is compressible due to slot 16
Property, thus expansion anchor 2 possesses the additional margin of tolerance in terms of the depth of blind hole 4, and only using in exception should
The margin of tolerance, because the first setting sounding mark 17 hinders the assembly of the mistake of expansion anchor 2 in ordinary circumstance.
Due to the structural scheme according to the present invention of expansion anchor 2, for clamp device according to the present invention manufacture and
Speech, does not need special boring bar tool or detection instrument, does not need shoulder drill bit especially.Clamp device can by common and
Advantageous tool is gone up in cost to manufacture.
Reference signs list
1 anchor bottom
2 expansion anchors
The surface at 3 anchor bottoms 1
4,4' blind hole
5 eyelet mouths
6 holes eyeground
7 hole eyewalls
8 anchor bolts
9 bulging sleeves
10 external screw threads
11 load effect devices
12 bulging bodies
The front end of 13 anchor bolts 8
14 bulging sections
15 swollen elements
16 slots
17 first setting sounding marks
The section of the front of 18 bulging sleeves 9
The section at the rear portion of 19 bulging sleeves 9
20 coining portions
21 protrusions
The front end of 22 first setting sounding marks 17
The rear end of 23 first setting sounding marks 17
The rear end of 24 bulging sleeves 9
25 second setting sounding marks
B, the width of B' slot 16
D wall thickness
dRResidual wall thickness
E is packed into direction
L longitudinal axis
LHThe length of the section 19 at rear portion
R is radial
The depth of t slot 16
Claims (14)
1. having the clamp device of anchor bottom (1) and expansion anchor (2), wherein expansion anchor (2) has anchor bolt (8) and bulging set
Cylinder (9) and the expansion anchor, which pass through the bulging of bulging sleeve (9) in blind hole (4,4'), can be anchored in anchor bottom (1),
Wherein, anchor bolt (8) has load effect device (11) at the part along the rear portion for being packed into direction (E) and along dressing
Entering direction (E) has the bulging body (12) for the bulging of bulging sleeve (9) in blind hole (4,4') in front, wherein bulging
Sleeve (9) is tube-shaped constructed and can be movably arranged at anchor bolt (8) along longitudinal, wherein bulging sleeve (9) is along dressing
Entering direction (E) has bulging section (14) in front, which being capable of distending by bulging body (12), which is characterized in that
The first setting sounding mark (17) is disposed at bulging sleeve (9), when anchor bolt (8) is stood according to schedule in blind hole (4)
Hole eyeground (6) at and bulging sleeve (9) so degree it is mobile towards bulging body (12) so that the bulging sleeve is not having
Can not be continued towards in the case where distending bulging body (12) it is mobile when, the first setting sounding mark along being packed into direction
(E) front end (22) is located at eyelet mouth (5) in the state of non-bulging or is located in blind hole (4,4').
2. clamp device described in accordance with the claim 1, which is characterized in that first setting sounding mark (17) along loading side
It is located at eyelet mouth (5) or is located at the outside of blind hole (4,4') in the state of non-bulging to the rear end (23) of (E).
3. clamp device according to claim 1 or 2, which is characterized in that the rear end (24) of bulging sleeve (9) is through bulging
State in flush with eyelet mouth (5) or be located in blind hole (4,4'), wherein in the state, expansion anchor (2) is according to meter
It is anchored in blind hole (4,4') with drawing.
4. clamp device according to claim 1 or 2, which is characterized in that be disposed with the second setting depth at anchor bolt (8)
It marks (25), which at least partially projects over eyelet mouth in the state according to schedule through bulging
(5).
5. clamp device according to claim 1 or 2, which is characterized in that the first setting sounding mark (17) is slot (16).
6. clamp device according to claim 5, which is characterized in that along slot measured by longitudinal direction (16) width (B,
B') it is less than in the state of non-bulging in the state through bulging.
7. for using according to the expansion anchor in clamp device described in any one of claims 1 to 6, the expansion anchor
With anchor bolt (8) and bulging sleeve (9), wherein bulging of the expansion anchor (2) by bulging sleeve (9) in blind hole (4)
It can be anchored in anchor bottom (1),
Wherein, anchor bolt (8) has load effect device (11) at the part along the rear portion for being packed into direction (E) and along dressing
Entering direction (E) has the bulging body (12) for bulging sleeve (9) described in bulging in front,
Wherein, bulging sleeve (9) is tube-shaped constructed and can be movably arranged at anchor bolt (8) along longitudinal, wherein bulging
For sleeve (9) along direction (E) is packed into front with bulging section (14), which can be swollen by bulging body (12)
It opens, which is characterized in that
The slot (16) circumferentially moved towards is configured at bulging sleeve (9), bulging sleeve (9) has along loading direction (E)
It is arranged in the section (18) of the front in the front of slot (16) and is arranged in the rear portion at the rear of slot (16) along loading direction (E)
Section (19), and it is greater than the section along rear portion measured by longitudinal direction along the width of slot measured by longitudinal direction (16) (B)
(19) length (LH) half.
8. expansion anchor according to claim 7, which is characterized in that the slot (16) is arranged in along direction (E) is packed into
The rear of bulging section (14).
9. according to expansion anchor described in claim 7 or 8, which is characterized in that the radial depth (t) of slot (16) is greater than in slot
(16) the radial residual wall thickness (d of the bulging sleeve (9) in regionR) 80%.
10. according to expansion anchor described in claim 7 or 8, which is characterized in that slot (16) along width measured by longitudinal direction
(B) it is greater than the radial residual wall thickness (d of the bulging sleeve (9) in the region of slot (16)R) three times.
11. according to expansion anchor described in claim 7 or 8, which is characterized in that so appearance has in the region of slot (16)
At least one coining portion (20), so that bulging sleeve (9) has at least one on the inside towards anchor bolt (8) of the bulging sleeve
A protrusion (21) is for bulging sleeve (9) to be axially fixed at anchor bolt (8).
12. expansion anchor according to claim 7, which is characterized in that along the width (B) of slot measured by longitudinal direction (16)
Greater than rear portion section (19) along length (L measured by longitudinal directionH).
13. expansion anchor according to claim 8, which is characterized in that the slot (16) is along being packed between direction (E) have
The rear of bulging section (14) is arranged in away from ground.
14. expansion anchor according to claim 10, which is characterized in that slot (16) along width measured by longitudinal direction
(B) it is greater than the radial residual wall thickness (dR) 3.5 times.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015111886.6 | 2015-07-22 | ||
| DE102015111886 | 2015-07-22 | ||
| DE102016103196.8A DE102016103196A1 (en) | 2015-07-22 | 2016-02-24 | Fastening arrangement and expansion anchor |
| DE102016103196.8 | 2016-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106369029A CN106369029A (en) | 2017-02-01 |
| CN106369029B true CN106369029B (en) | 2018-12-14 |
Family
ID=57738990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581254.6A Active CN106369029B (en) | 2015-07-22 | 2016-07-22 | Clamp device and expansion anchor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106369029B (en) |
| DE (1) | DE102016103196A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017219866A1 (en) * | 2017-11-08 | 2019-05-09 | Robert Bosch Gmbh | Suspension for injection systems, in particular fuel injection systems, with a fluid-carrying component and a metering valve and injection system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308619A1 (en) * | 1987-09-22 | 1989-03-29 | HILTI Aktiengesellschaft | Expansion dowel |
| CN2512933Y (en) * | 2002-01-14 | 2002-09-25 | 中国建筑科学研究院 | Double cone building anchor bolt |
| DE102006031467A1 (en) * | 2006-07-07 | 2008-01-10 | Fischerwerke Artur Fischer Gmbh & Co. Kg | expansion anchor |
| DE102010060771A1 (en) * | 2009-12-16 | 2011-06-22 | fischerwerke GmbH & Co. KG, 72178 | fastener |
| CN103161806A (en) * | 2011-12-13 | 2013-06-19 | 费希尔厂有限责任两合公司 | Expansion anchor and method for mounting the expansion anchor |
| CN103477097A (en) * | 2011-01-25 | 2013-12-25 | Uip环球创新制品有限两合公司 | Method and system for setting a self-cutting undercut anchor |
| CN203475656U (en) * | 2013-08-01 | 2014-03-12 | 斯泰科技（杭州）有限公司 | Shock-proof anti-looseness back rivet bolt and curtain wall plate connecting structure |
| CN104482011A (en) * | 2014-12-05 | 2015-04-01 | 斯泰科技（杭州）有限公司 | Dual-fixing anchor bolt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696574B2 (en) | 1987-09-16 | 1994-11-30 | 三菱化成株式会社 | 4-piperidine carboxamide derivative |
-
2016
- 2016-02-24 DE DE102016103196.8A patent/DE102016103196A1/en not_active Withdrawn
- 2016-07-22 CN CN201610581254.6A patent/CN106369029B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308619A1 (en) * | 1987-09-22 | 1989-03-29 | HILTI Aktiengesellschaft | Expansion dowel |
| CN2512933Y (en) * | 2002-01-14 | 2002-09-25 | 中国建筑科学研究院 | Double cone building anchor bolt |
| DE102006031467A1 (en) * | 2006-07-07 | 2008-01-10 | Fischerwerke Artur Fischer Gmbh & Co. Kg | expansion anchor |
| DE102010060771A1 (en) * | 2009-12-16 | 2011-06-22 | fischerwerke GmbH & Co. KG, 72178 | fastener |
| CN103477097A (en) * | 2011-01-25 | 2013-12-25 | Uip环球创新制品有限两合公司 | Method and system for setting a self-cutting undercut anchor |
| CN103161806A (en) * | 2011-12-13 | 2013-06-19 | 费希尔厂有限责任两合公司 | Expansion anchor and method for mounting the expansion anchor |
| CN203475656U (en) * | 2013-08-01 | 2014-03-12 | 斯泰科技（杭州）有限公司 | Shock-proof anti-looseness back rivet bolt and curtain wall plate connecting structure |
| CN104482011A (en) * | 2014-12-05 | 2015-04-01 | 斯泰科技（杭州）有限公司 | Dual-fixing anchor bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016103196A1 (en) | 2017-01-26 |
| CN106369029A (en) | 2017-02-01 |
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