CN108644196A - A kind of anchor - Google Patents
A kind of anchor Download PDFInfo
- Publication number
- CN108644196A CN108644196A CN201810685380.5A CN201810685380A CN108644196A CN 108644196 A CN108644196 A CN 108644196A CN 201810685380 A CN201810685380 A CN 201810685380A CN 108644196 A CN108644196 A CN 108644196A
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- China
- Prior art keywords
- expansion
- anchor
- compression
- piece
- hole
- 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.)
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- 240000007817 Olea europaea Species 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 29
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- 238000010276 construction Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 7
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- 230000008961 swelling Effects 0.000 description 5
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- 239000007787 solid Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
- 239000000693 micelle Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 239000011470 perforated brick Substances 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000010008 shearing Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of anchors, including fixing device and compression-expansion device, shown compression-expansion device is mounted on the front end of shown fixing device, and when the compression-expansion device is by outer force effect, the compression-expansion device is compressed while being expanded to both sides；The compression-expansion device is spring, and along the circumferential direction of spring, the helix of the spring is corrugated or is made of several circles；Alternatively, the compression-expansion device includes hollow body, be provided with along the axial direction of tube body, tube body it is several engrave hole, there is expansion distending section on the adjacent tube body engraved between hole, when the tube body is by outer force effect, expanded to both sides from expansion distending section.When compression-expansion device is by outer force effect, compression-expansion device is compressed while being expanded to both sides, and the width of compression-expansion device will be greater than the diameter for the anchor hole dug on wall, to provide breakout capacity.
Description
Technical field
The invention belongs to tightening technology fields, are related to a kind of anchor.
Background technology
Application No. is 200920169534.1 utility model patents to disclose a kind of expansion bolt shell, the expansion bolt
Prominent structural member is provided on the outer surface of shell.It is corresponding the invention discloses a kind of expansion bolt, which includes
Expansion bolt shell, screw rod and expansion-head, wherein screw rod can be connected through a screw thread in expansion bolt enclosure with expansion-head,
Particularly, it is provided with prominent structural member on the outer surface of the expansion bolt shell.The protrusion structural member exists to expansion bolt shell
Position-limiting action is played in the basis of equipment installation, secures expansion bolt shell during the installation process, to solve expansion
The problem of bolt shell transfer.
Application No. is 201610829850.1 applications for a patent for invention to disclose a kind of expansion bolt of anti-rotation, including spiral shell
The shape of bar, nut, spring washer, washer, actuating sleeve, cutting ferrule and expansion set, the screw rod is cylinder, the upper end of the screw rod
Equipped with screw thread, the top of the screw rod is equipped with nut, and spring washer is equipped with below the nut, the spring washer
Lower section is equipped with washer, and the lower section of the screw rod is equipped with tail bone, is equipped with expansion set above the tail bone, the lower end of the expansion set is opened
Equipped with several straight slots, the upper end of the expansion set offers several card slots, and cutting ferrule is equipped in the card slot, is set on the cutting ferrule
There are several locating plates, the locating plate to be matched with card slot, actuating sleeve is embedded in the cutting ferrule, the actuating sleeve is equipped with
Several fins, the fin driving locating plate deformation, locating plate radial dilatation are inlaid in the card slot of expansion set, can avoid swollen
Set is rotated with screw rod, is caused the tail portion of expansion set that can not bulge, is caused to be bolted unstable problem.
As China promulgates《It forces sexual selection and is forbidden to use solid clay brick》Regulation, porous wall building block obtains
Extensive promotion and application.Existing expansion bolt due to the fault of construction of itself, including expansion opening degree and rigidity it is limited,
It can not have been used when immobilization carrier is hollow brick or porous light brick wall, and it is just right with porous building-brick wall to can not achieve
Ground anchoring or safe sealed, even if many security risks can also be had by installing.
Invention content
In order to solve the problems existing in the prior art, the present invention provides a kind of anchor, which is provided with compression
Expansion device, when compression-expansion device is by outer force effect, compression-expansion device is compressed while being expanded to both sides, compression
Width after expansion device distending will be greater than the diameter for the anchor hole dug on wall, to provide breakout capacity.
Anchor provided by the invention, including fixing device and compression-expansion device, the compression-expansion device installation
In the front end of shown fixing device, when the compression-expansion device is by outer force effect, the compression-expansion device is compressed
While to both sides expand；The compression-expansion device is spring, and along the circumferential direction of spring, the helix of the spring is corrugated
Or it is made of several circles；Alternatively, the compression-expansion device includes hollow body, it is arranged along the axial direction of tube body, tube body
Have it is several engrave hole, on the adjacent tube body engraved between hole have expansion distending section, when the tube body is by outer force effect, from expand it is swollen
It opens and is expanded to both sides at section.
It after the compression-expansion device stress of the present invention squeezes, is expanded to both sides, the width of compression-expansion device will be greater than wall
The diameter for the anchor hole dug on body, to provide breakout capacity.It can be pre-charged with structure glue etc. in compression-expansion device, work as pressure
When contracting expansion device is extruded, internal structure glue flows back after being squeezed, and fills anchor hole, the shape together with compression-expansion device
At bar planting micelle, after solidification, breakout capacity is further enhanced.
Tube body of the present invention can be cylinder or the tube body is olive shape, and the expansion distending section is in olive
The centre position of olive shape tube body, alternatively, the tube body is made of upper and lower two round platforms, the bottom surface split of two round platforms, the expansion
Distending section is arranged in plane where round platform bottom surface.For the tube body for the shape that olive shape tube body and two round platforms dock, due to itself
Structure be broad in the middle, expansion distending section is set at intermediate position, is easier after stress to expand to both sides.
It is easier, so that tube body is expanded to both sides, along the axial direction of the tube body, have multilayer swollen on the tube body to improve
Distending section.
Compression-expansion device of the present invention further includes center-pole, is provided in the fixing device and keeps away a hole, in described
One end of core bar, which is located at, to be kept away in a hole, and the other end is located in compression-expansion device, when compression-expansion device is by outer force effect,
Center-pole is moved to keeping away in a hole, until center-pole can not move, at this point, center-pole is close to one end of compression-expansion device
End sections be exposed at and keep away outside a hole.After center-pole is set, after being pressed into place, in the case of continuing force, can not also it continue
It acts on compression-expansion device, such compression-expansion device would not be overly compressed and impact effect.
Common anchor pole, such as bolt may be used in the fixing device of the present invention.Can also use special structure, e.g.,
In the front end of the anchor pole, along circumferentially disposed at least one lateral glue chute of anchor pole, along the axial setting at least one of anchor pole
Longitudinal glue chute, at least one lateral glue chute are connected to or intersect at least one longitudinal glue chute.The anchor of this special construction
Bar, after compression-expansion device is extruded, in structure glue be squeezed reflux, glue chute flows along longitudinal direction, until lateral glue stream
The front end of slot, anchor pole can all fill full structure, and anchoring effect is further promoted after solidification.
The fixing device of the present invention can also use scissors anchor bolt, including fixing piece and impeller, the impeller with it is solid
Determine part connection, and can be moved axially along fixing piece, the upper end of the fixing piece is rotatably mounted with expansion piece, the expansion piece
With towards the inclined-plane of impeller, the contact of incline plane on impeller top and expansion piece lower end, the impeller is along the oblique of expansion piece
Face pushes expansion piece, makes expansion piece to strutting on the outside of impeller, the expansion piece is arranged in pairs, the expansion piece being arranged in pairs
Docking section, which merges, to be mounted on fixing piece, and the limiting device for the maximum angle that restricted expansion piece is softened is arranged on expansion piece.
The present invention pushes expansion piece to be flared out using impeller, greatly facilitates in hollow brick wall or lightweight brick wall
On anchoring.The present invention in the docking section of expansion piece by being arranged limiting device so that after expansion piece is softened certain angle
It can not continue to open, expansion piece is avoided to strut excessively and affect anchoring effect.
For the weak wall being built by hollow brick or aerated bricks, be only by one of expansion system it is inadequate,
The present invention is provided with twice expansion system, and one is compression-expansion device that slot apertures pierces, and one is that fixed position expands
Scissors anchor bolt especially suitable for porous brick and aerated bricks wall, and is done technique and is simplified, easy for construction, securely on more last layer
Building.
Limiting device of the present invention is the screens portion being arranged on the outside of docking section, when the screens portion contact on two expansion pieces
When, two expansion pieces reach the maximum angle that can be softened, two screens portions realize expansion piece to card, screens portion is abutted together
Afterwards, impeller will be difficult to push, and installation personnel knows that the present invention has been installed in place.
Limiting device of the present invention is the limited block and limit hole being arranged on expansion piece, wherein limited block setting exists
On the docking section of one of expansion piece, limit hole is arranged behind the docking section of another expansion piece, two expansion pieces installation, limit
Block is inserted into limit hole.In expansion piece rotation process, limited block moves in limit hole, realize the distraction angle of expansion piece with
Close up the restriction of angle, specifically, when limit hole reaches one end of limit hole, the angle between two expansion pieces is maximum supports
Angle of release degree, when reaching the angle, expansion piece can not continue to strut, when limited block reaches the other end of limit hole, two expansion pieces
Between angle be minimum close up angle, when reaching the angle, expansion piece can not continue to close up, setting minimum closes up the good of angle
When place, in a pre-installation, without adjusting the angle between two expansion pieces, operation impeller, which can be realized, to be strutted, if minimum is closed up
Angle too small, it is possible to which the top for impeller occur can not cause to strut operation failure with the contact of incline plane of expansion piece.
Fixing piece of the present invention is fixed link, and the impeller is pushing ram；The upper end of the pushing ram is hollow, is sleeved on
The lower end of fixed link, pushing ram are threadedly coupled with fixed link；Accommodation space is formed between the pushing ram and fixed link, is corresponded to
The accommodation space is provided with permeability hole on the pushing ram.Structure glue can be pre-placed in accommodation space, with pushing ram
It moves up, accommodation space is smaller and smaller, and structure glue is extruded, and is oozed out from permeability hole so that the structure glue of corresponding site is more full
It is full, it improves chemical glue and consolidates effect.
Preferably, in the hollow part of the pushing ram upper end, there is the inner wall of pushing ram internal thread, fixed link to have outer
Screw thread；Alternatively, the hollow part of the pushing ram upper end, pushing ram is vertically arranged with screw rod, and the lower end of fixed link is provided with suitable
The screw hole matched；Alternatively, the lower section of the hollow part of the pushing ram upper end, pushing ram is provided with screw hole, and the lower end of fixed link is set
It is equipped with the screw rod of adaptation.
Preferably, the fixing piece is fixed link, and the impeller is pushing ram；The upper end of the pushing ram is screw rod,
The screw rod is stretched into fixed link, is threadedly coupled with fixed link, and the inclined-plane on the top and expansion piece lower end of the screw rod of pushing ram connects
It touches, push expansion piece to strutting on the outside of screw rod.
The docking section thickness of expansion piece of the present invention is less than the maximum gauge of expansion piece, the docking section split of two expansion pieces
Thickness afterwards is less than or equal to the maximum gauge of expansion piece, reduces the superposition thickness of the docking section of two panels expansion piece after being superimposed, preferably
The thickness for being set as monolithic expansion piece, directly reduce the diameter of fixing piece in this way so that the fluting on corresponding wall narrows
.
Preferably, two opposite surfaces of expansion piece are separately provided for the minimum angles that two expansion pieces of limitation close up
Limiting section, when two limiting sections contact, the angle of closing up between two expansion pieces reaches minimum.The minimum benefit for closing up angle is set
When, in a pre-installation, without adjusting the angle between two expansion pieces, operation impeller, which can be realized, to be strutted, if minimum closes up angle
It spends small, it is possible to which the top for impeller occur can not cause to strut operation failure with the contact of incline plane of expansion piece.
The invention has the advantages that：
(1) force rod (impeller) of the invention is closest to the size of anchor hole, under identical anchor hole, use this
Invention, the shearing force of force rod greatly improve；Documents CN201210269582.4 force rods are M8mm or M10mm,
The diameter of expansion position anchor head reaches M14mm or M16mm, and corresponding anchor hole reaches M16mm or M18mm, to wall with regard to bigger
Destruction it is very big, and force rod of the present invention be M8mm or M10mm, corresponding anchor hole be M10mm or M12mm, drop significantly
The low damage degree to wall.
(2) pushing ram precession expansion piece of the invention struts, and expansion piece is formed to locking, and the structure glue in accommodation space is squeezed
Go out, wait for that glue is solid, after glue is solid, internal anchor head forms one with cinclides, it is ensured that the binder at the position is more full, improves
Chemical glue consolidates effect, substantially increases the pulling capacity of product.
(3) expansion plate of documents CN201210269582.4 is by two panels stack combinations, and superposed positions are monolithic thickness
The diametric requirements of two times of degree, the in this way fixing piece to expansion plate is arranged greatly improve, in particular, force rod (impeller) is
The anchor head diameter of M8, force rod reach M14, and corresponding anchor hole will be more arranged to M16, very unreasonable；The present invention is in two panels
The docking site of expansion piece optimizes, and is provided with the position that coincide at superposition position, the superposition of two panels expansion piece after being superimposed with reduction
Thickness is preferable to provide as the thickness of monolithic expansion piece, directly reduces the diameter of anchor head in this way, is anchor head setting expansion piece
Fluting narrows, and diameter can narrow.
(4) expansion piece of the invention is equipped with screens portion so that expansion piece, which is softened after certain angle i.e., can not continue to open
It opens, expansion piece is avoided to strut excessively and affect anchoring effect.The present invention is additionally provided with the limiting section for folding limit, and limiting section makes
The minimum of two expansion pieces is closed up angle and is adapted always with the top of impeller, that is, remains waiting advanced state, does not have to dynamic
Hand goes to the position of adjustment expansion piece, directly operates impeller and expansion piece may make to be softened, greatly simplifies operation, avoid
Expansion piece disorderly turns.
(5) present invention has done design optimization, swollen to reduce the precessing force of screw rod to the expansion piece being arranged on anchor head
Swollen is set as cone shape towards cinclides direction, more laborsaving in precession screw rod, it is easier to wedging aerated bricks or porous brick,
Even other firm walls.
(6) it is inadequate only by one of expansion system for the weak wall being built by hollow brick or aerated bricks
, the present invention is provided with twice expansion system, and one is compression-expansion device that slot apertures pierces, and one is that fixed position expands
Scissors anchor bolt, especially suitable for porous brick and aerated bricks wall, and do technique and simplify, it is easy for construction, securely on upper one
Floor.
(7) compression-expansion device of the invention is equipped with multilayer expansion distending section, and the purpose is to a kind of anchoring of present invention dresses
It sets and is inserted into matched anchor hole, when anchor hole is to be located at Perforated-brick Wall, since the distending node of compression-expansion device cannot very precisely
The hole position for being located at porous brick, therefore set multilayer and expand node, preferably guarantee, in porous brick hole position distending, to reach and more manage
The anchoring effect thought.
Description of the drawings
Fig. 1 is one schematic diagram of the embodiment of the present invention (before expansion piece struts)；
Fig. 2 is expansion piece structural schematic diagram one of the present invention；
Fig. 3 is one schematic diagram of the embodiment of the present invention (after expansion piece struts)；
Fig. 4 is two schematic diagram of the embodiment of the present invention；
Fig. 5 is three schematic diagram of the embodiment of the present invention；
Fig. 6 is four schematic diagram of the embodiment of the present invention；
Fig. 7 is five schematic diagram of the embodiment of the present invention；
Fig. 8 is expansion piece structural schematic diagram two of the present invention；
Fig. 9 is six schematic diagram of the embodiment of the present invention；
Figure 10 is seven schematic diagram one of the embodiment of the present invention；
Figure 11 is seven schematic diagram two of the embodiment of the present invention；
Figure 12 is eight schematic diagram of the embodiment of the present invention；
Figure 13 is the axis lines schematic diagram of spring of the present invention；
Figure 14 is the top partial schematic diagram of spring of the present invention；
Figure 15 is nine schematic diagram of the embodiment of the present invention (before spring squeezes)；
Figure 16 is nine schematic diagram of the embodiment of the present invention (after spring squeezes)；
Figure 17 is use state diagram one of the present invention (before extruding)；
Figure 18 is use state diagram two of the present invention (before extruding)；
Figure 19 is use state diagram three of the present invention (before extruding).
In figure：1, left expansion piece；2, shaft；3, fixed link；4, threaded male portion；5, pushing ram；6, promotion part；7, screw thread is recessed
Portion；8, glue filling portion；9, right expansion piece；10, permeability hole；11, lateral glue chute；12, wall；13, outer operation portion；14, interior behaviour
Make portion；15, docking section；16, limiting section；17, limited block；18, limit hole；19,20, screens portion；21,22 inclined-plane, is promoted；23、
Screw rod；24, tube body；25, hole is engraved；26, expanded hole；27, distending section is expanded；28, anchor pole；29, lattice framing；30, lateral glue chute；
The longitudinal directions 31- glue chute；32- springs；33, center-pole；34, a hole is kept away.
Specific implementation mode
Embodiment one：
As shown in Figure 1, 2, 3, fixing device and compression-expansion device provided by the invention.
The fixing device of the present embodiment uses scissors anchor bolt, including two expansion pieces (left expansion piece 1, right expansion piece 9), left
Expansion piece 1 is mounted on the upper end of fixed link 3 with right expansion piece 9 by shaft 2, and left and right expansion piece can rotate in fixed link 3,
The docking section of left and right expansion piece contacts with each other.The upper end of the docking section 15 of left expansion piece 1 has screens portion 19, left expansion piece
Lower part, which has, promotes inclined-plane 21, and the upper end of the docking section 15 of right expansion piece 9 also has screens portion 20, and the lower part of right expansion piece has
Promote inclined-plane 22.The thickness of docking section 15 only has the half of expansion piece thickness itself, after such two pieces of expansion pieces docking, docking section
The consistency of thickness of overall thickness and monolithic expansion piece after split so designs so that the diameter of fixed link 3 can be as far as possible
It is small, so that the aperture to be beaten on wall becomes smaller.There is threaded male portion 4, threaded male portion 4 to have outer for the lower end of fixed link 3
Screw thread.The front end of pushing ram 5 has the space being adapted to fixed link 3, meanwhile, promote 5 front ends to have convex with the screw thread of fixed link 3
There is internal thread will be promoted by the cooperation of thread pockets 7 and threaded male portion 4 for the thread pockets 7 that portion 4 coordinates, thread pockets 7
Bar 5 links together with fixed link 3, also, by turning pushing ram 5, and pushing ram 5 can advance in fixed link 3, retreat.
From the figure, it can be seen that thread pockets 7 are internal thread hole, threaded male portion 4 is external screw rod, and thread pockets can be right with threaded male portion
It adjusts, the connection between pushing ram and fixed link equally may be implemented.It can not also be threaded recess portion and threaded male portion, but
Internal thread is set on the inner wall at space that pushing ram is adapted to fixed link, and external screw thread is arranged in the external of fixed link, in this way can be with
Realize the movement of the connection and pushing ram of the two.The front end of pushing ram 5 has promotion part 6.It is additionally provided with permeability hole on pushing ram 5
10.After fixed link 3 and pushing ram 5 assemble, before pushing left and right expansion piece to strut, glue is formed between fixed link 3 and pushing ram 5 and is filled out
Dress portion 8, can in glue filling portion 8 filling structure glue etc., pushing ram 5 advance after, the space size in glue filling portion 8 gradually becomes
It is small so that structure glue etc. is penetrated into along permeability hole 10 between wall and scissors anchor bolt of the present invention from glue filling portion 8, will be on wall
The mounting hole opened up fills up, and after structure glue solidification, enhances integral fastening power.Predictably, fixed link 3 can also use it
He replaces fixing piece, as long as can be mounted above left and right expansion piece, pushing ram can also use other impeller generations
It replaces, as long as strutting for expansion piece can be realized.
The compression-expansion device of the present embodiment includes tube body 24, and tube body 24 is mounted on the top of the fixed link 3 of scissors anchor bolt.
Tube body 24 is cylindricality, and inner hollow, tube body engraves hole, have it is several along tube body 24 be axially arranged engrave hole 25, engrave in hole 25
Portion expands, and forms expanded hole 26；Corresponding to the position of expanded hole 26, the adjacent body portion engraved between hole 25 forms expansion distending
Section 27, it is preferable that in the same circumferential direction of tube body 24, multiple expansion distending sections 27 are set；Under the action of by external force,
Tube body 24 is squeezed compression swelling at expansion distending section 27, and is expanded to both sides so that width of the tube body 24 at expansion distending section 27
Degree becomes larger.
In conjunction with Figure 17, in use, interstitital texture glue (except the thread pockets 7) first in the space of 5 upper end of pushing ram, then
Pushing ram 5 is threadedly coupled with fixed link 3, anchor is integrally inserted into in 12 preset mounting hole of wall (mounting hole can be with
It is pre-charged with structure glue etc.), tap scissors anchor bolt so that the front end of tube body 24 reaches mounting hole bottom, continues to tap scissors anchor
Bolt so that tube body 24 is squeezed compression swelling at expansion distending section, and tube body 24 is expanded to both sides, and the width after expansion is more than wall 12
The aperture of upper preset mounting hole.It can be with interstitital texture glue etc., after 24 compression-expansion of tube body, together with structure glue in tube body 24
Form bar planting micelle has very strong stretching resistance after structure glue condensation together with tube body.Pushing ram 5 is turned, with pushing ram 5
Turn, under the action of the promotion part of pushing ram 56, scissors distracting action is done in 2 rotation around the shaft of left and right expansion piece, when it is left,
When screens portion 19,20 on right expansion piece is in contact, left and right expansion piece struts in place, continues to turn pushing ram 5 in time and also can not
Continue to press on expansion piece.
Embodiment two：
As shown in figure 4, the difference between this embodiment and the first embodiment lies in：(1) close to the position of permeability hole 10, pushing ram 5
It being recessed inwardly, there is lateral glue chute 11, perpendicular to the axis of pushing ram, the benefit designed in this way is lateral glue chute 11, from
Transversely glue chute 11 flows the structure glue that glue filling portion 8 is oozed out, which can fill more structure glues so that scissors anchor
Bolt is closer with wall connecting.(2) the compression-expansion device of the present embodiment is different from embodiment one, specifically：Tube body 24 is
Polymorphic structure, in approximate olive shape, both ends broad in the middle are small, and in other words, tube body 24 is the overlaying structure of two truncated cone-shapeds, two round platforms
Bottom connection.Tube body 24 is hollow structure, engraves hole 25 with several, engraves hole 25 and become larger at the intermediate position of tube body, expansion is swollen
It opens section 27 to be arranged in the centre position of tube body, multiple expansion distending sections are arranged in the centre position of tube body 24.When tube body 24 is by outer
When force effect, tube body 24 is squeezed compression swelling at the expansion distending section 27 positioned at middle part position, due to 24 both ends broad in the middle of tube body
Small special construction, tube body 24 are easy to expand to both sides.
Embodiment three：
As shown in figure 5, the difference between this embodiment and the first embodiment lies in：(1) it is swollen that upper layer and lower layer expansion is set on tube body 24
Section 27 is opened, in this way, bending can be expanded in both transverse directions after 24 stress of tube body.(2) front end of pushing ram 5 is with outer
There is opposite internal thread hole, 23 one side of screw rod to be used for the company of fixed link 3 and pushing ram 5 for the screw rod 23 of screw thread, fixed link 3
It connects, on the other hand, screw rod 23 is additionally operable to push left and right expansion piece, so that expansion piece is done scissors and struts movement.Pushing ram 5 and fixed link
Still there is glue filling portion 10 between 3, be open space due to the glue filling portion 10 and unclosed but, without in pushing ram
Permeability hole is set on 5.It can be with reasonable prediction, if the inherently screw rod of pushing ram 5, the width of pushing ram 5
Whole to be less than fixed link 3, width is identical as the size in the hole in fixed link 3, can not form accommodation space 10, can in conjunction with Fig. 5
Know, when the width of the screw rod 23 of pushing ram 5 is less than the width of pushing ram 5, the width of pushing ram 5 is adapted to the width of fixed link
When, accommodation space could be formed.There is outer operation portion 13, outer operation portion 13 can be designed as outer-hexagonal spiral shell for the rear end of pushing ram 5
Bar can turn pushing ram 5 using a die nut, be conveniently operated.
Example IV：
As shown in fig. 6, the present embodiment and embodiment three difference lies in：The rear end of pushing ram 5 has interior operation portion 14, interior
Operation portion 14 can be designed as hexagonal socket nut, can turn pushing ram 5 using a die nut, be conveniently operated.It utilizes
Outer hexagonal spanner or allen wrench are operated in the tail end of impeller, are not limited by the fluting size on wall so that operation
It is more convenient.
Embodiment five：
As shown in Figure 7,8, the present embodiment and example IV difference lies in：The limit method of left and right expansion piece is different.It is real
Applying has screens portion 19,20 on the left and right expansion piece of example four, and protrusion 17, right expansion is arranged in the present embodiment on left expansion piece 1
The limit hole 18 of arc is set on piece 9, and after left and right expansion piece docking, protrusion 17 is inserted in limit hole 18, the length of limit hole 18
Institute can distracted maximum angle between determining two expansion pieces.The length of limit hole also determines between two expansion pieces simultaneously
The minimum angles that can close up.As shown in fig. 7, when limited block 17 is located at the leftmost side of limit hole 18, two expansion pieces close up, and
Reach minimum and close up angle, at this point, the top of the screw rod 23 on pushing ram 5 just with two expansion pieces propulsion inclined-plane least significant end
Contact, it is ensured that expansion piece can be strutted when turning pushing ram 5；When limited block 17 reaches the rightmost side of limit hole 18, two is swollen
Swollen struts, and reaches the distracted maximum angle of institute's energy, and then, expansion piece can not continue to strut.
Also there is limiting section 16 on the left and right expansion piece of the present embodiment, it is left swollen after left and right expansion piece docking (before strutting)
It is contacted between the limiting section of swollen on piece and the limiting section on right expansion piece, under the action of two limiting sections, determines two expansion pieces
Before being acted on by pushing ram, strutting movement, the distance kept between the lower end of two expansion pieces, the distance and pushing ram 5
Screw rod 3 size adaptation, alternatively, embodiment one also use this structure in the case of, the width of the distance and pushing ram 5
It is adapted, to ensure that the front end of pushing ram can act directly on left and right expansion piece.
Embodiment six：
As shown in figure 9, the fixing device of the present embodiment is anchor pole 28, compression-expansion device is mounted on the end of anchor pole 28.
Compression-expansion device includes tube body 24, and tube body 24 is mounted on the top of the fixed link 3 of scissors anchor bolt.Tube body 24 is cylindricality, internal
Hollow, tube body engraves hole, and hole 25 is engraved with several, and the middle part for engraving hole 25 expands, and forms expanded hole 26；Corresponding to the position of expanded hole 26
It sets, the adjacent body portion engraved between hole 25 forms expansion distending section 27, it is preferable that in the same circumferential direction of tube body 24,
Multiple expansion distending sections 27 are set；Under the action of by external force, tube body 24 is squeezed compression swelling at expansion distending section 27, and to
Both sides expand so that width of the tube body 24 at expansion distending section 27 becomes larger.
Embodiment seven：
As shown in Figure 10,11, the fixing device of the present embodiment includes anchor pole 28, and the front end of anchor pole 28 is provided with longitudinal glue stream
Slot 31, for longitudinal glue chute 31 along the axial direction setting of anchor pole 28, the front end of anchor pole 28 is additionally provided with lateral glue chute 30, lateral glue stream
Slot 30 is circumferentially disposed along anchor pole 28.A plurality of, connection between the two or friendship can be arranged in lateral glue chute, longitudinal glue chute
Fork, such structure glue can flow to lateral glue chute from longitudinal glue chute, or flow to longitudinal glue chute from lateral glue chute.Anchor
The front end of bar 28 is additionally provided with more elastic lattice framings 29, and lattice framing 29 can be arranged in pairs.Compression-expansion device includes tube body 24, pipe
Body 24 is mounted on the top of the fixed link 3 of scissors anchor bolt.Tube body 24 is cylindricality, and inner hollow, tube body engraves hole, has and several engraves hole
25, the middle part for engraving hole 25 expands, and forms expanded hole 26；Corresponding to the position of expanded hole 26, the adjacent tube body engraved between hole 25
Divide and form expansion distending section 27, it is preferable that in the same circumferential direction of tube body 24, multiple expansion distending sections 27 are set；By
To under the action of external force, tube body 24 is squeezed compression swelling at expansion distending section 27, and is expanded to both sides so that tube body 24 is expanding
Width at distending section 27 becomes larger.
Embodiment eight：
As shown in Figure 12,13, the difference between the present embodiment and the second embodiment lies in that：The compression-expansion device of the present embodiment is bullet
Spring 32, the end of spring 32 are mounted on the top of fixed link 3.Spring is metal material, it is preferable to use spring steel.Along spring 32
Circumferential, the helical design of spring 32 is at corrugated as shown in fig. 13 that, or is designed to be made of several circles, designs in this way
Purpose be that, when spring stress compresses, spring 32 is not only compressed, since the helical design of spring is corrugated or
Circle, ripple or circle by straightening, expand to a certain extent to both sides, and the width after expansion is more than the original diameter of spring,
More than the diameter of the anchor hole on wall.Preferably, structure glue is filled up in spring 32, after spring-compressed expansion, with structure glue one
It rises and forms bar planting micelle, there is extraordinary tensile capacity after solidification.As shown in figure 14, the front end of spring 32 is gradually received to center
Contracting, ultimately forms the face for being approximately parallel to spring circumferential direction, seals the front end of spring, and the benefit designed in this way is, when percussion scissors
When anchor bolt, the front end of spring 32 is unlikely to be embedded in as nail in wall with percussion, if being embedded in wall as nail
Body, it will influence the compression-expansion effect of spring.
Embodiment nine：
As shown in Figure 15,16, the present embodiment and embodiment eight difference lies in：Fixing device is anchor pole 28, spring 32
End sleeve is on the top of anchor pole 28.The front end of anchor pole 28 is provided with longitudinal glue chute 31, axis of longitudinal glue chute 31 along anchor pole 28
To setting, the front end of anchor pole 28 is additionally provided with lateral glue chute 30, and lateral glue chute 30 is along the circumferentially disposed of anchor pole 28.Lateral glue
Chute, longitudinal glue chute can be arranged a plurality of, connect or intersect between the two, such structure glue can be from longitudinal glue chute stream
Longitudinal glue chute is flowed to lateral glue chute, or from lateral glue chute.The front end of anchor pole 28 is additionally provided with more elastic lattice framings
29, lattice framing 29 can be arranged in pairs.As shown in figure 15, it after spring is extruded, will not only be compressed in the axial direction, but to two
Side expansion broadens.
As shown in figure 18, the anchor in figure is placed in the anchor hole of wall 12, and compression-expansion device uses embodiment two
In compression-expansion device, tube body 24 be mounted on anchor pole 28 end.The front end of the anchor pole 28 of the anchor, which is provided with, keeps away position
Setting center-pole 33 in a hole 34 is kept away in hole 34, and before compression-expansion device is extruded, the end of center-pole 33 is largely all located at
In tube body 24, during compression-expansion device is squeezed, takes in and kept away in a hole 34 after 33 stress of center-pole, also, in
A part of the core bar 33 close to the end of one end of compression-expansion device is exposed at the outside of the front end of anchor pole 28, in this way, compression is swollen
Swollen device compression-expansion to a certain extent after, since center-pole is no longer received to end of anchor rod, center-pole bears outer force effect, presses
Contracting expansion device is no longer extruded, and compression-expansion device can be prevented to be extruded excessively.It can be with reasonable prediction, scissors anchor bolt
Fixed link 3 can also be arranged and keep away a hole, center-pole is placed on and is kept away in a hole, to realize effect as shown in figure 18.
As shown in figure 19, the anchor in figure also has center-pole 33, meanwhile, it is arranged on the anchor pole 28 of the anchor
Flexible lattice framing 29, elastic lattice framing 29 play the role of anti-hook, improve whole tension effect.
Construction method one of the present invention：
(1) matched anchor hole is pre-set, and blows the dust in hole off, binder is implanted into anchor hole.
(2) compression-expansion device or and accommodation space be implanted into binder, then scissors anchor bolt alignment anchor hole is inserted into simultaneously
It taps to the position of design requirement, continues to tap until compression-expansion device distending binder is squeezed rear reflux (due to viscous
Agent reflux is tied, there is the body of rod of lateral glue chute, vertical glue chute to be stained with binder)；
(3) rotation spiral shell to the expansion piece of inside is carried out to the rotation spiral shell point (interior hexagonal or outer-hexagonal) of scissors anchor bolt to open, meanwhile,
The binder for being located at accommodation space is squeezed and flow to the outer binder with outside of pushing ram and converge.
(4) hanging head being connect with foreign object is set by nut fixedly connected part or on the screw rod of exposing, carry is installed
Stone material etc..
Construction method two of the present invention：
(1) matched anchor hole is pre-set.
(2) scissors anchor bolt alignment anchor hole is inserted into and taps to the position of design requirement, continues to tap until compression-expansion fills
Set distending.
(3) rotation spiral shell to the expansion piece of inside is carried out to the rotation spiral shell point (interior hexagonal or outer-hexagonal) of scissors anchor bolt to open.
(4) hanging head being connect with foreign object is set by nut fixedly connected part or on the screw rod of exposing, carry is installed
Stone material etc..
It should be noted that extension block can be added above the expansion piece of the present invention, expansion piece forms X words after expanding
Shape, because carrying out gradually making expansion piece distending when rotation spiral shell pushes to pushing ram, but since the increased extension block in top increases
Precession resistance, needs more precession dynamics to revolve spiral shell pushing ram, leverages construction speed, therefore is not the excellent of the present invention
Select scheme.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations, modification and
Environment, and can be changed by the above teachings or related fields of technology or knowledge in the scope of the invention is set forth herein
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of the claims.
Claims (14)
1. a kind of anchor, it is characterised in that：Including fixing device and compression-expansion device, the compression-expansion device installation
In the front end of shown fixing device, when the compression-expansion device is by outer force effect, the compression-expansion device is compressed
While to both sides expand；The compression-expansion device is spring, and along the circumferential direction of spring, the helix of the spring is corrugated
Or it is made of several circles；Alternatively, the compression-expansion device includes hollow body, it is arranged along the axial direction of tube body, tube body
Have it is several engrave hole, on the adjacent tube body engraved between hole have expansion distending section, when the tube body is by outer force effect, from expand it is swollen
It opens and is expanded to both sides at section.
2. anchor as described in claim 1, it is characterised in that：The tube body is cylinder or the tube body is olive
Olive shape, the expansion distending section is in the centre position of olive shape tube body, alternatively, the tube body is made of upper and lower two round platforms,
The bottom surface split of two round platforms, the expansion distending section are arranged in plane where round platform bottom surface.
3. anchor as claimed in claim 2, it is characterised in that：Have along the axial direction of the tube body, on the tube body more
Layer expansion distending section.
4. anchor as claimed in claim 1,2 or 3, it is characterised in that：The compression-expansion device further includes center-pole,
It is provided in the fixing device and keeps away a hole, one end of the center-pole, which is located at, to be kept away in a hole, and the other end is located at compression-expansion dress
In setting, when compression-expansion device is by outer force effect, center-pole is moved to keeping away in a hole, until center-pole can not move for
Only, at this point, center-pole is exposed at close to the end sections of one end of compression-expansion device keeps away outside a hole.
5. anchor as claimed in claim 1,2 or 3, it is characterised in that：The fixing device is anchor pole.
6. anchor as claimed in claim 5, it is characterised in that：In the front end of the anchor pole, along the circumferentially disposed of anchor pole
At least one lateral glue chute, along at least one longitudinal glue chute of axial setting of anchor pole, at least one lateral glue chute with extremely
A few longitudinal glue chute connection intersects.
7. anchor as claimed in claim 1,2 or 3, it is characterised in that：The fixing device is scissors anchor bolt, the scissors
Anchor bolt includes fixing piece and impeller, and the impeller is connect with fixing piece, and can be moved axially along fixing piece, the fixing piece
Upper end be rotatably mounted with expansion piece, the expansion piece has towards the inclined-plane of impeller, impeller top and expansion piece
The contact of incline plane of lower end, the impeller make expansion piece to strutting on the outside of impeller along the slope driving expansion piece of expansion piece,
It is characterized in that：The expansion piece is arranged in pairs, and the docking section for the expansion piece being arranged in pairs, which merges, to be mounted on fixing piece, expansion
The limiting device for the maximum angle that restricted expansion piece is softened is arranged on piece.
8. anchor as claimed in claim 7, it is characterised in that：The limiting device is the card being arranged on the outside of docking section
Position portion, when the screens portion contact on two expansion pieces, two expansion pieces reach the maximum angle that can be softened.
9. anchor as claimed in claim 7, it is characterised in that：The limiting device is the limit being arranged on expansion piece
Block and limit hole, wherein limited block is disposed therein on the docking section of an expansion piece, and limit hole is arranged in another expansion piece
Docking section, two expansion pieces installation after, limited block be inserted into limit hole in.
10. anchor as claimed in claim 7, it is characterised in that：The fixing piece is fixed link, and the impeller is to push away
Into bar；The upper end of the pushing ram is hollow, is sleeved on the lower end of fixed link, and pushing ram is threadedly coupled with fixed link；The pushing ram
Accommodation space is formed between fixed link, corresponds to the accommodation space, permeability hole is provided on the pushing ram.
11. anchor as claimed in claim 10, it is characterised in that：Hollow part in the pushing ram upper end promotes
There is the inner wall of bar internal thread, fixed link to have external screw thread；Alternatively, the hollow part of the pushing ram upper end, pushing ram are vertical
It is provided with screw rod, the lower end of fixed link is provided with the screw hole of adaptation；Alternatively, the lower section of the hollow part of the pushing ram upper end,
Pushing ram is provided with screw hole, and the lower end of fixed link is provided with the screw rod of adaptation.
12. anchor as claimed in claim 7, it is characterised in that：The fixing piece is fixed link, and the impeller is to push away
Into bar；The upper end of the pushing ram is screw rod, which stretches into fixed link, is threadedly coupled with fixed link, the screw rod of pushing ram
Top and expansion piece lower end contact of incline plane, push expansion piece to strutting on the outside of screw rod.
13. anchor as claimed in claim 7, it is characterised in that：The docking section thickness of the expansion piece is less than expansion piece
Maximum gauge, thickness after the docking section split of two expansion pieces is less than or equal to the maximum gauge of expansion piece.
14. anchor as claimed in claim 7, it is characterised in that：Two opposite surfaces of expansion piece are respectively set useful
In the limiting section for limiting the minimum angles that two expansion pieces close up, when two limiting sections contact, the angle of closing up between two expansion pieces reaches
To minimum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685380.5A CN108644196A (en) | 2018-06-28 | 2018-06-28 | A kind of anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685380.5A CN108644196A (en) | 2018-06-28 | 2018-06-28 | A kind of anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644196A true CN108644196A (en) | 2018-10-12 |
Family
ID=63750240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810685380.5A Pending CN108644196A (en) | 2018-06-28 | 2018-06-28 | A kind of anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644196A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
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| CN108317146A (en) * | 2018-03-02 | 2018-07-24 | 福州百益百利自动化科技有限公司 | A kind of glue injection type structure anchor bolt |
| CN108412868A (en) * | 2018-05-08 | 2018-08-17 | 福州百益百利自动化科技有限公司 | A kind of combined structure formula anchor bolt |
| CN208474278U (en) * | 2018-06-28 | 2019-02-05 | 福州百益百利自动化科技有限公司 | A kind of anchor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB218073A (en) * | 1923-05-16 | 1924-07-03 | Edward William Clare | Improvements in securing bolts |
| FR1178019A (en) * | 1957-06-28 | 1959-05-04 | Expansion fixing device | |
| FR1391863A (en) * | 1964-01-25 | 1965-03-12 | J Bechu Ets | Anchor for fixing a screw in a fiber panel |
| US4475329A (en) * | 1982-07-14 | 1984-10-09 | Artur Fischer | Anchoring expansible fastener |
| CN102359463A (en) * | 2011-08-02 | 2012-02-22 | 裴志胜 | Shear expansion bolt |
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| US20150139747A1 (en) * | 2013-11-19 | 2015-05-21 | Fu-Chuan Hsu | Self-drilling expansion fastener and method of forming same |
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| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
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