CN104696331A - Hooked expansion bolt - Google Patents
Hooked expansion bolt Download PDFInfo
- Publication number
- CN104696331A CN104696331A CN201310698672.XA CN201310698672A CN104696331A CN 104696331 A CN104696331 A CN 104696331A CN 201310698672 A CN201310698672 A CN 201310698672A CN 104696331 A CN104696331 A CN 104696331A
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- China
- Prior art keywords
- tapered
- expansion head
- face
- screw rod
- expansion
- 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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- 239000011464 hollow brick Substances 0.000 claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 206010030110 Oedema mouth Diseases 0.000 claims description 46
- 239000011229 interlayer Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 5
- 238000005336 cracking Methods 0.000 claims description 4
- 230000002688 persistence Effects 0.000 claims description 4
- 230000002123 temporal effect Effects 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 1
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—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 a separate expander-part, actuated by the screw, nail or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the technical field of building hardware and aims to provide a hooked expansion bolt made of a metal material. The hooked expansion bolt can be applied to the hanging and fixing of various bracket components and equipment on a hollow brick or a concrete hollow block wall body. The bolt is developed and manufactured by combining the conventional building hardware components according to manufacturing specifications of hollow bricks and concrete hollow building blocks and a universal construction method. The hooked expansion bolt is provided with a hook part and a threaded rod part, wherein a threaded rod is arranged; a hook is arranged at one end of the threaded rod, and a thread and a hemisphere are arranged at the other end of the threaded rod; the hook part is provided with the hook, a hexagon nut, a spring cushion and a plain washer; the threaded rod part is provided with a first expansion sleeve, a first tapered expansion head, a regulation pipe, a second expansion sleeve, a second tapered expansion head and the hemisphere.
Description
Technical field
The invention provides one and be applied to hollow brick or concrete holllow building block wall crotch EXPANSION ANCHOR BOLTS, belong to architectural hardware technical field.
Technical background
At present, the crotch EXPANSION ANCHOR BOLTS that we use, mostly be provided with crotch by an one end, one end is provided with screw thread, wherein be provided with the structure composition of an expansion sleeve, be applied on concrete structure or solid brick body of wall and be affiliated to various support element and equipment, if the EXPANSION ANCHOR BOLTS of this structure will be arranged on hollow brick wall and implement to be affiliated to various support element and equipment, just there will be the crotch displacement that short EXPANSION ANCHOR BOLTS protrudes body of wall to tilt, long EXPANSION ANCHOR BOLTS can vibration cannot be fastening in circle hole defect.Wall due to hollow brick surface is a frailish sheet, therefore only has the EXPANSION ANCHOR BOLTS of an expansion point self to be difficult to be fastened thereon face, implement to be affiliated to various support element and equipment does not possess reliability, Security.2 expansion sleeves are wherein also had to comprise the crotch EXPANSION ANCHOR BOLTS of 2 fastening swollen points, but this bolt is also affiliated to various support element and equipment de-sign manufacture for being applied on concrete structure or solid brick body of wall, and its screw rod and affiliated component clearly not can be applicable to the technological scheme and technical functionality of hollow brick wall being affiliated to various support element and equipment yet.
Summary of the invention
Technical problem to be solved by this invention is, a kind of crotch expansion bolt of metal material is provided, and can be applied on hollow brick or concrete holllow building block wall and be affiliated to, fixes various support elements and equipment, described crotch expansion bolt is manufacture specification according to hollow brick, concrete hollow block, shape and general building method, manufactures in conjunction with architectural hardware parts, because hollow brick is substantially identical with manufacturing structure, the shape of concrete hollow block, summary of the invention of the present invention is described mainly for hollow brick and hollow brick wall, and its technical scheme is applicable to concrete hollow block and concrete holllow building block wall completely, crotch expansion bolt, has hook portion and screw portion, is wherein provided with screw rod, and screw rod one end is shaped with crotch, and one end is shaped with screw thread and hemisphere, hook portion is provided with, crotch, hex nut, spring pad and plain washer, screw portion is provided with, the 1st expansion sleeve, the 1st tapered expansion head, adjustable pipe, the 2nd expansion sleeve, the 2nd tapered expansion head and hemisphere, after crotch expansion bolt is installed: hook portion all protrudes brick cavity wall surface: screw portion all enters hollow brick wall hole, after crotch expansion bolt enters hollow brick wall hole, its screw portion will across on hollow brick outer wall and interlayer wall, wherein swollen mouthful on the 1st expansion sleeve will lie prostrate at hollow brick inside outer wall, swollen mouth on 2nd expansion sleeve will lie prostrate in hollow brick interlayer wall outside: protrude brick cavity wall external body hex nut if screwed, 1st, swollen mouthful on 2nd expansion sleeve is subject to from spring pad, plain washer, adjustable pipe, the impact of ganging up pressure of the 1st and the 2nd tapered expansion head will progressively be expanded in two pintongs shapes stubble in an opposite direction simultaneously, one of them clashes stubble can be stuck in hollow brick inside outer wall, another clashes stubble can be stuck in hollow brick interlayer wall outside, this bolt self can be realized thus technique effect hollow brick wall above can be fastened on, reach on hollow brick wall the object of being affiliated to, fixing various support elements and equipment, hook portion, crotch, is arranged on screw flight top front, for being affiliated to, fixing various support elements and equipment, described crotch, according to the various support elements that will be affiliated to, fix and the needs of equipment, can be realized form of diverse in the scope at crotch seat, hex nut, is screwed in screw rod, has surface and inner face, and described hex nut surface is adjacent with crotch, and in described hex nut, face and connect spring pad surface, described hex nut is by screw rod end precession threaded tip rear portion, spring pad, is nested with in screw rod, has surface and inner face, and described spring pad surface is faced and connect hex nut inner face, and in described spring pad, face and connect plain washer surface, described spring pad outside diameter is less than hex nut external diameter, plain washer, is nested with in screw rod, has surface and inner face, and described plain washer surface is faced and connect spring pad inner face, and in described plain washer, face and connect the 1st expansion sleeve first end, described plain washer outside diameter is greater than spring pad outside diameter, screw portion, the 1st expansion sleeve, is nested with in screw rod, has first end and the second end, and described 1st expansion sleeve first end faces and connects plain washer inner face, and described 1st expansion sleeve second end faces into the 1st tapered expansion head first end,Described 1st expansion sleeve second end is shaped with swollen mouthful that mates with the 1st tapered expansion head first end inner face, and swollen mouthful of end face is in interior corner cut, and swollen mouth is shaped with four longitudinal triangular incision of symmetry; Described triangular incision is started to extend its longitudinal length within 25mm to swollen mouthful of end face by swollen mouthful of bottom, two limit spacing Breadth Maximums at two angles, triangular incision bottom are within 2mm, two limits at two angles, triangular incision bottom extend to swollen mouthful of end face and intersect, and the adjacent four swollen page frame tables in triangular incision both sides are shaped with reticulation patterns; Described four swollen pages start to extend relatively draw close in bottleneck to first end end face by the base at two angles, triangular incision bottom; The concrete length of described 1st expansion sleeve: the thickness that adds hollow brick outer wall according to the Veneer thickness of the hollow brick wall that will install, lengthens 5-10mm in addition again and sets; The hollow brick outer wall thickness that exists variation its thickness not identical hollow brick with building hollow brick wall by laying bricks or stones to have two different size of plurality of specifications due to hollow brick wall facing is compared two outer wall thickness can be not identical; Therefore, there is multinomial parameter in the concrete length of described 1st expansion sleeve in crotch expansion bolt is equipped with; 1st tapered expansion head, endoporus is unthreaded hole, be nested with in screw rod, there is first end and the second end, in described 1st tapered expansion head first end, face into swollen mouthful of the 1st expansion sleeve second end, 1st tapered expansion head second end faces and connects adjustable pipe first end, the 1st tapered expansion head can with face into the 1st expansion sleeve and face the adjustable pipe connecing and move; The external diameter of described 1st tapered expansion head first end is greater than the external diameter of the second end, makes the 1st tapered expansion head outer tapered; Described 1st tapered expansion head first end to the second end longitudinal length does not exceed 20mm, and first end maximum outside diameter does not exceed 20mm; The second end end face edge and inner hole wall edge cross in wedge angle; Between described 1st tapered expansion head first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing, the wing protrudes its surface, the wing protrudes its surperficial drift angle peak and does not exceed first end maximum, and it is triangular in shape that the wing two limits are protruding to drift angle peak its cross section that crosses by the 1st tapered expansion head surface; Two starting point spacing Breadth Maximums of two limits protrusion the 1st tapered expansion head surfaces of the wing do not exceed 5mm: two limits to be started relatively to stretch the drift angle forming that crosses in wedge angle or in round and smooth angle to peak by two starting points; The described wing is terminated in first end and the second end center by first end end face edge to the second end is extending longitudinally or exceedes center, descending the terminating in of oblique line crosses apart from the second end end face 2-5mm place and the 1st tapered expansion head surface, wing whole process is outwards walked shape in obtuse angle, and its stop surface top to intersection entirety is that inclined-plane is in del; The descending interval with the 1st tapered expansion head surface intersection to the second end end face of described wing oblique line is one section of clog-free bullet of 2-5mm; The technique effect that this accessible bullet shows is, during assembling, the 1st expansion sleeve swollen mouthful of 2-5mm part can be received to be inserted in,Can not be there are on this section of accessible bullet surface four swollen page of reset conditions that are arranged on during fabrication on swollen mouthful that cracking expands and remains on the swollen mouth of the 1st expansion sleeve in four swollen page of volts that can also make to be inserted on the swollen mouth of the 1st expansion sleeve of the 1st tapered expansion head inner face, can thread smoothly and produce positive role into interlayer cinclides hole for the 2nd tapered expansion head not being subject to external force pressure, described 1st tapered expansion head endoporus protrudes the 1st tapered expansion head second end external diameter maximum 2-5mm, described 1st tapered expansion head endoporus is less than the 1st tapered expansion head second end maximum 1.5-2.5mm, the end face maximum bezel of described 1st tapered expansion head endoporus hole wall and the 1st expansion sleeve second end crosses, the technology shape that this inclined-plane crosses shown can enter hollow brick wall facing hole and interlayer cinclides hole can produce positive role for the 1st tapered expansion head and the 2nd tapered expansion head simultaneously smoothly, adjustable pipe, be nested with in screw rod, there is first end and the second end, described adjustable pipe first end faces and connects the 1st tapered expansion head second end, described adjustable pipe second end faces and connects the 2nd expansion sleeve first end, described adjustable pipe external diameter is less than the 1st tapered expansion head second end maximum and the 2nd expansion sleeve first end external diameter, and described adjustable pipe tube wall is less than the 2nd expansion sleeve pipe thickness, described adjustable pipe inner face is pressed close to the surface of screw rod, and it is subject to external force orders about and can slide in screw rod, when described adjustable pipe is conflicted at interlayer wall inner face after the hollow brick wall facing hole inserting with the 2nd expansion sleeve with the 1st expansion sleeve diameter matches, also has sub-fraction adjustable pipe meeting temporal persistence in hollow brick wall facing hole outside, because the diameter of adjustable pipe is less than the hole diameter with the 1st expansion sleeve diameter matches, therefore adjustable pipe now can be made slightly mobile in hole, at this moment temporal persistence is rocked at hollow brick wall hole outside adjustable pipe with upper part, screw rod trend at hollow brick wall outer wall inner face can be controlled, 2nd tapered expansion head effectively can be escorted thread smoothly into interlayer cinclides hole, the two ends end face of described adjustable pipe is right angle, the concrete length between described two ends, deduct the length setting of the 1st tapered expansion head to interlayer wall inner face relative spacing length according to the hollow brick wall hollow brick outer wall inner face that will install, due to build by laying bricks or stones the hollow brick of hollow brick wall have two different size hollow brick outer wall inner face of plurality of specifications compare two relative spacing length to interlayer wall inner face relative spacing length can be not identical, therefore, there is multinomial parameter in the concrete length of described adjustable pipe in crotch expansion bolt is equipped with, 2nd expansion sleeve, be nested with in screw rod, there is first end and the second end, described 2nd expansion sleeve first end faces and connects adjustable pipe second end, 2nd expansion sleeve second end faces into the 2nd tapered expansion head first end, described the second end is shaped with swollen mouthful that mates with the 2nd tapered expansion head inner face, swollen mouthful of end face is in interior corner cut, swollen mouth is shaped with four longitudinal triangular incision of symmetry, within described triangular incision is started to extend its longitudinal length remain on 25mm to swollen mouthful of end face by swollen mouthful bottom, two limit spacing Breadth Maximums at two angles, triangular incision bottom are within 2mm, two limits at two angles, triangular incision bottom extend to swollen mouthful of end face and intersect, the adjacent four swollen page frame tables in triangular incision both sides are light face,But the adjacent four swollen pages in the triangular incision both sides on the swollen mouth of locality the 2nd expansion sleeve four slice swollen page forms adjacent with the triangular incision both sides on the 1st expansion sleeve can be exchanged or be identical, and described four swollen pages start relatively to draw close in bottleneck to the extension of first end end face by the base at two angles, triangular incision bottom, the outside diameter of described 2nd expansion sleeve is equal with the inner face largest diameter of the 2nd tapered expansion head value, the outside diameter of described 2nd expansion sleeve is less than the outside diameter of the 1st expansion sleeve, and the pipe thickness of described 2nd expansion sleeve is greater than the pipe thickness of the 1st expansion sleeve, the concrete length of described 2nd expansion sleeve, according to the hollow brick wall hollow brick interlayer wall thickness that will install, lengthen 5-10mm in addition again and set, due to build the hollow brick of hollow brick wall by laying bricks or stones and have the hollow brick interlayer wall thickness of two different size of plurality of specifications compare two interlayer wall thickness can be not identical, therefore, there is multinomial parameter in the concrete length of described 2nd expansion sleeve in crotch expansion bolt is equipped with, 2nd tapered expansion head, endoporus is equipped with screw thread, is screwed in screw rod end, has first end and the second end, and described 2nd tapered expansion head first end faces into swollen mouthful of the 2nd expansion sleeve second end, described 2nd tapered expansion head second end is threaded through the connected surface that hemisphere is communicated with screw rod end or maintains an equal level with connected surface, the external diameter of described 2nd tapered expansion swollen first end is greater than the external diameter of the second end, makes the 2nd tapered expansion head outer tapered, described 2nd tapered expansion head first end to the second end longitudinal length does not exceed 20mm, and first end maximum outside diameter does not exceed 20mm, the second end end face edge and inner hole wall edge cross in wedge angle, between described 2nd tapered expansion head first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing, the wing protrudes its surface, the wing protrudes its surperficial drift angle peak and does not exceed first end maximum, it is triangular in shape that limit, two of wing bottoms is protruding to top peak its cross section that crosses by the 2nd tapered expansion head surface, and two starting point spacing Breadth Maximums that the 1st tapered expansion head surfaces are protruded on two limits of the described wing do not exceed 5mm: two limits to be started relatively to stretch the drift angle forming that crosses in wedge angle or in round and smooth angle to peak by two starting points, the described wing is terminated in first end and the second end center by first end end face edge to the second end is extending longitudinally or exceedes center, descending the terminating in of oblique line crosses apart from the second end end face 2-5mm place and tapered expansion head surface, wing whole process is outwards walked shape in obtuse angle, and its stop surface top to intersection entirety is that inclined-plane is in del, the descending interval with the 2nd tapered expansion head surface intersection to the second end end face of described wing oblique line is one section of clog-free bullet of 2-5mm, the technique effect that this accessible bullet shows is: the 2nd expansion sleeve swollen mouthful of 2-5mm part during assembling, can be received to be inserted in, the four slice swollen page reset conditions that are during fabrication arranged on swollen mouthful on that cracking expand and remain 2nd expansion sleeve swollen mouth on can not be there are not being subject to external force pressure in four swollen page of volts that can also make to be inserted on the swollen mouth of the 2nd expansion sleeve of the 2nd tapered expansion head inner face on this section of accessible bullet surface, can thread smoothly and produce positive role into interlayer cinclides hole for the 2nd tapered expansion head,Described 2nd tapered expansion head endoporus protrudes the 2nd tapered expansion head second end external diameter maximum 2-5mm; Be less than the 2nd tapered expansion head second end maximum 1.5-2.5mm; The end face maximum bezel of described 2nd tapered expansion head endoporus hole wall and the second end crosses; The technology shape cooperation that this inclined-plane crosses shown protrudes the hemisphere of screw rod end, can thread smoothly and positive role can be produced for the 2nd tapered expansion head into interlayer cinclides hole; Described 2nd tapered expansion head second end outside diameter maximum is less than the 1st tapered expansion head second end outside diameter maximum; Screw rod, has first end and the second end, and described screw rod first end is provided with crotch, and it is also the hemisphere that screw rod bottom end face is communicated with that described screw rod second end is provided with screw thread and screw tip simultaneously; Described screw rod enters the concrete length of hollow brick wall hollow brick inside: according to physical length outside the surface of the hollow brick wall facing that will install to interlayer wall, add hemispheroidal length, lengthens 5-10mm in addition again and sets; Due to hollow brick wall facing exists its thickness of variation hollow brick that is not identical and that build hollow brick wall by laying bricks or stones to have the length that the length between two different size hollow brick outer wall surface of plurality of specifications to interlayer wall outside compares between two hollow brick outer wall surface to interlayer wall outside can be not identical; Therefore, there is multinomial parameter in the concrete length of described screw rod in crotch expansion bolt is equipped with; Hemisphere, is communicated with screw rod end, has first end and the second end, and described hemisphere first end is also that screw tip is communicated with screw rod end simultaneously, and described hemisphere second end protrudes screw rod end; Described hemisphere protrudes at the 3-6mm below of the 2nd tapered expansion head second end or supports flat with the 2nd tapered expansion head second after the assembling of crotch expansion bolt; Described hemisphere is an irregular hemisphere; Described hemisphere diameter is less than the connected surface or equal with connected surface being communicated with screw rod end; Described hemisphere protrudes screw rod end connected surface 3-6mm; Parts diameter, length and thickness that described crotch expansion bolt is equipped with are not identical, the parts that wherein have, and diameter, length and thickness meet state quality standard; Some parts, diameter, length and thickness are less than state quality standard; Thus, described crotch expansion bolt, can produce according to state quality standard design, also can produce according to provisions of the relevant regulations issued by the State design.
Accompanying drawing explanation
Fig. 1 is this bolt plan view;
Fig. 2 is this bolt the 1st tapered expansion head sectional drawing;
Fig. 3 is this bolt the 2nd tapered expansion head sectional drawing;
Fig. 4 is this bolt the 1st expansion sleeve sectional drawing;
Fig. 5 is this bolt adjutage sectional drawing;
Fig. 6 is this bolt the 2nd expansion sleeve sectional drawing;
Embodiment
See, Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, crotch EXPANSION ANCHOR BOLTS by: hemisphere 1, screw rod 2, tapered expansion head 3, expansion sleeve 4, adjutage 5, tapered expansion head 6, expansion sleeve 7, plain washer 8, spring pad 9, hexagon nut 10, crotch 11 form.
Crotch 11, the threaded tip being arranged on screw rod 2 is anterior, for being affiliated to, fixing various support element and equipment, crotch 11 according to will be affiliated to, the needs of fixing various support element and equipment, form of diverse can be realized in the scope at crotch 11 seat.
Hexagon nut 10, is screwed in screw rod 2, has surface and inner face, and hexagon nut 10 surface is adjacent with crotch 11, inside faces and connects spring pad 9 surface.Hexagon nut 10 is by screw rod 2 end precession threaded tip rear portion.
Spring pad 9, is nested with in screw rod 2, has surface and inner face, and described spring pad 9 surface is faced and connect hexagon nut 10 inner face, inside faces and connects plain washer 8 surface.Spring pad 9 outside diameter is less than hexagon nut 10 external diameter.
Plain washer 8, is nested with in screw rod 2, has surface and inner face, and described plain washer 8 surface is faced and connect spring pad 9 inner face, inside faces and connects expansion sleeve 7 first end.Plain washer 8 outside diameter is greater than spring pad 9 outside diameter.
Expansion sleeve 7, is nested with in screw rod 2, has first end and the second end, and described expansion sleeve 7 first end faces and connects plain washer 8 inner face, and the second end faces into tapered expansion head 6 first end.Expansion sleeve 7 first end end face is right angle 20.Expansion sleeve 7 second end is shaped with the swollen mouth mated with tapered expansion head 6 first end inner face, swollen mouth end face is interior corner cut 23, swollen mouth is shaped with four longitudinal triangular incision 21 of symmetry, triangular incision 21 extends its longitudinal length within 25mm to swollen mouth end face by bottom swollen mouth, and bottom triangular incision 21, two limit spacing Extreme breadths at two angles are within 2mm.Bottom triangular incision 21 two limits at two angles extend to swollen mouth end face intersect.Adjacent four swollen page 22 surfaces, triangular incision 21 both sides are shaped with reticulation patterns, and four swollen pages 22 start to extend to first end end face relatively to draw close in bottleneck by the base at two angles bottom triangular incision 21.The concrete length of expansion sleeve 7: the thickness adding hollow brick outer wall according to the Veneer thickness of the hollow brick wall that will install, lengthens 5-10mm setting in addition again.Multinomial parameter is there is in the concrete length of expansion sleeve 7 in crotch EXPANSION ANCHOR BOLTS is equipped with.
Tapered expansion head 6, endoporus 15 is unthreaded hole, is nested with in screw rod 2, has first end and the second end, faces the swollen mouth into expansion sleeve 7 second end in described tapered expansion head 6 first end, and tapered expansion head 6 second end faces and connects adjutage 5 first end.Tapered expansion head 6 can with face into expansion sleeve 7 and face the adjutage 5 connect and move.The external diameter of tapered expansion head 6 first end is greater than the external diameter of the second end, makes tapered expansion head 6 outer tapered.Tapered expansion head 6 first end to the second end longitudinal length does not exceed 20mm.First end maximum outside diameter does not exceed 20mm.Second end end face edge and endoporus 15 mural margin cross in wedge angle.Between tapered expansion head 6 first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing 13, and the wing 13 protrudes its surface, and the wing 13 protrudes its surperficial drift angle peak and do not exceed first end maximum value.It is triangular in shape that the wing 13 two limits are protruding to drift angle peak its cross section that crosses by tapered expansion head 6 surface, two starting point spacing Extreme breadths on protrusion tapered expansion head 6 surface, two limits of the wing 13 do not exceed 5mm, and two limits are relatively stretched to peak the drift angle formed that crosses and are wedge angle or are round and smooth angle by two starting points.The wing 13 terminates in first end and the second end center by first end end face edge to the second end longitudinal extension or exceedes center, and descending the terminating in apart from the second end end face 2-5mm place and tapered expansion head 6 surface of oblique line crosses.The wing 13 whole process outwards walks shape in obtuse angle, and its stop surface top to intersection entirety is inclined-plane is del.The wing 13 oblique line is descending is one section of clog-free taper 14 of 2-5mm with the interval of tapered expansion head 6 surperficial intersection to the second end end face.Endoporus 15 protrudes tapered expansion head 6 second end external diameter maximum value 2-5mm, is less than tapered expansion head 6 second end maximum value 1.5-2.5mm, and the end face maximum value bezel 12 of endoporus 15 wall and the second end crosses.
Adjutage 5, is nested with in screw rod 2, has first end and the second end, and described adjutage 5 first end faces and connects tapered expansion head 6 second end, and adjutage 5 second end faces and connects expansion sleeve 4 first end.Adjutage 5 external diameter is less than tapered expansion head 6 second end maximum value and expansion sleeve 4 first end external diameter.Adjutage 5 tube wall is less than expansion sleeve 4 pipe thickness.Adjutage 5 inner face presses close to the surface of screw rod 2, and it is subject to external force orders about and can slide in screw rod 2.The two ends end face of adjutage is right angle 25.Concrete length 24 between two ends: the length setting deducting tapered expansion head 6 according to the hollow brick wall hollow brick outer wall inner face that will install to the relatively hollow gap length of interlayer wall inner face.Multinomial parameter is there is in the concrete length 24 of adjutage 5 in crotch EXPANSION ANCHOR BOLTS is equipped with.
Expansion sleeve 4, is nested with in screw rod 2, has first end and the second end, and described expansion sleeve 4 first end faces and connects adjutage 5 second end, and expansion sleeve 4 second end faces into tapered expansion head 3 first end.Second end is shaped with the swollen mouth mated with tapered expansion head 3 inner face, and swollen mouth end face is interior corner cut 29.Swollen mouth is shaped with four longitudinal triangular incision 28 of symmetry, and triangular incision 28 extends within its longitudinal length remains on 25mm to swollen mouth end face by bottom swollen mouth.Bottom triangular incision 28, two limit spacing Extreme breadths at two angles are within 2mm.Two limits at triangular incision 28 two angles extend to swollen mouth end face and intersect.Adjacent four swollen page 27 surfaces, triangular incision 28 both sides are light face, but the adjacent four swollen pages 27 in triangular incision 28 both sides on the swollen mouth of locality expansion sleeve 4 four slice swollen page 22 forms adjacent with triangular incision 21 both sides on expansion sleeve 7 can be exchanged or identical.Four swollen pages 27 start to extend to first end end face relatively to draw close in bottleneck by the base at two angles bottom triangular incision 28.The outside diameter of expansion sleeve 4 is worth equal with the inner face largest diameter of tapered expansion head 3.The outside diameter of expansion sleeve 4 is less than the outside diameter of expansion sleeve 7.The pipe thickness of expansion sleeve 4 is greater than the pipe thickness of expansion sleeve 7.The concrete length of expansion sleeve 4; According to the hollow brick wall hollow brick interlayer wall thickness that will install, lengthen 5-10mm setting in addition again.Multinomial parameter is there is in the concrete length of expansion sleeve 4 in crotch EXPANSION ANCHOR BOLTS is equipped with.
Tapered expansion head 3, endoporus 19 is equipped with screw thread and is screwed in screw rod 2 end, have first end and the second end, described tapered expansion head 3 first end faces the swollen mouth into expansion sleeve 4 second end, and described tapered expansion head 3 second end is threaded through the connected surface be communicated with of hemisphere 1 and screw rod 2 end or maintains an equal level with connected surface; Tapered expansion is swollen, and an external diameter of 3 first ends is greater than the external diameter of the second end, makes tapered expansion head 3 outer tapered.Tapered expansion head 3 first end to the second end longitudinal length does not exceed 20mm, and first end maximum outside diameter does not exceed 20mm.Second end end face edge and inner hole wall edge cross in wedge angle.Between tapered expansion head 3 first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing 17, and the wing 17 protrudes its surface, and the wing 17 protrudes its surperficial drift angle peak and do not exceed first end maximum value.Bottom the wing 17, to be protruding to top peak its cross section that crosses by tapered expansion head 3 surface triangular in shape two limits.Two starting point spacing Extreme breadths on protrusion tapered expansion head 3 surface, two limits of the wing 17 do not exceed 5mm, and two limits are relatively stretched to peak the drift angle formed that crosses and are wedge angle or are round and smooth angle by two starting points.The wing 17 terminates in first end and the second end center by first end end face edge to the second end longitudinal extension or exceedes center, and descending the terminating in apart from the second end end face 2-5mm place and tapered expansion head 3 surface of oblique line crosses.The wing 17 whole process outwards walks shape in obtuse angle, and its stop surface top to intersection entirety is inclined-plane is del.The wing 17 oblique line is descending is one section of clog-free taper 18 of 2-5mm with the interval of tapered expansion head 3 surperficial intersection to the second end section.Endoporus 19 protrudes tapered expansion head 3 second end external diameter maximum value 2-5mm, is less than tapered expansion head 3 second end maximum value 1.5-2.5mm, and the cross section maximum value bezel of endoporus 19 wall and the second end crosses.Tapered expansion head 3 second end outside diameter maximum value is less than tapered expansion head 6 second end outside diameter maximum value.
Screw rod 2, has first end and the second end, and described screw rod 2 first end is provided with crotch 11, and it is also the hemisphere 1 that screw rod 2 end is communicated with that described screw rod 2 second end is provided with screw thread with screw tip simultaneously.Screw rod 2 enters the concrete length of hollow brick wall hollow brick inside: according to physical length outside the surface of the hollow brick wall facing that will install to interlayer wall, add the length of upper hemisphere 1, lengthens 5-10mm setting in addition again.Multinomial parameter is there is in the concrete length of screw rod 2 in crotch EXPANSION ANCHOR BOLTS is equipped with.
Hemisphere 1, is communicated with screw rod 2 end, has first end and the second end, and described hemisphere 1 first end is also that screw tip is communicated with screw rod 2 end simultaneously, and described hemisphere 1 second end protrudes screw rod 2 end; Described hemisphere 1 protrude after the assembling of crotch EXPANSION ANCHOR BOLTS tapered expansion head 3 second end 3-6mm below or support flat with tapered expansion head 3 second.Described hemisphere 1 is an irregular hemisphere 1.Described hemisphere 1 diameter is less than the connected surface or equal with connected surface be communicated with screw rod 2 end.Described hemisphere 1 protrudes screw rod 2 end connected surface 3-6mm.
Claims (1)
1. be applied to a crotch EXPANSION ANCHOR BOLTS for hollow brick or concrete holllow building block wall,
Comprise
Crotch EXPANSION ANCHOR BOLTS, has hook portion and screw portion, is wherein provided with screw rod, and screw rod one end is shaped with crotch, and one end is shaped with screw thread and hemisphere;
Crotch, is arranged on screw flight top front, for being affiliated to various support element and equipment, described crotch according to will be affiliated to, the needs of fixing various support element and equipment, form of diverse can be realized in the scope at crotch seat;
Hexagon nut, is screwed in screw rod, has surface and inner face, and described hexagon nut surface is adjacent with crotch, and face in described hexagon nut and connect spring pad surface, described hexagon nut is by screw rod end precession threaded tip rear portion;
Spring pad, is nested with in screw rod, has surface and inner face, and described spring pad surface is faced and connect hexagon nut inner face, and face in described spring pad and connect plain washer surface, described spring pad outside diameter is less than hexagon nut external diameter;
Plain washer, is nested with in screw rod, has surface and inner face, and described plain washer surface is faced and connect spring pad inner face, and face in described plain washer and connect the 1st expansion sleeve first end, described plain washer outside diameter is greater than spring pad outside diameter;
1st expansion sleeve, be nested with in screw rod, there is first end and the second end, described 1st expansion sleeve first end faces and connects plain washer inner face, described 1st expansion sleeve second end faces into the 1st tapered expansion head first end, described 1st expansion sleeve second end is shaped with the swollen mouth mated with the 1st tapered expansion head first end inner face, and swollen mouth end face is interior corner cut, and swollen mouth is shaped with four longitudinal triangular incision of symmetry; Described triangular incision extends its longitudinal length within 25mm to swollen mouth end face by bottom swollen mouth, bottom triangular incision, two limit spacing Extreme breadths at two angles are within 2mm, bottom triangular incision, two limits at two angles extend to swollen mouth end face and intersect, and the adjacent four swollen page frame tables in triangular incision both sides are shaped with reticulation patterns; Described four swollen pages start to extend to first end end face relatively to draw close in bottleneck by the base at two angles bottom triangular incision; The concrete length of described 1st expansion sleeve: the thickness adding hollow brick outer wall according to the Veneer thickness of the hollow brick wall that will install, lengthens 5-10mm setting in addition again; Multinomial parameter is there is in the concrete length of described 1st expansion sleeve in crotch EXPANSION ANCHOR BOLTS is equipped with;
1st tapered expansion head, endoporus is unthreaded hole, be nested with in screw rod, there is first end and the second end, the swollen mouth into the 1st expansion sleeve second end is faced in described 1st tapered expansion head first end, 1st tapered expansion head second end faces and connects adjutage first end, the 1st tapered expansion head can with face into the 1st expansion sleeve and face the adjutage connect and move; The external diameter of described 1st tapered expansion head first end is greater than the external diameter of the second end, makes the 1st tapered expansion head outer tapered; Described 1st tapered expansion head first end to the second end longitudinal length does not exceed 20mm, and first end maximum outside diameter does not exceed 20mm; Second end end face edge and inner hole wall edge cross in wedge angle; Between described 1st tapered expansion head first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing, the wing protrudes its surface, the wing protrudes its surperficial drift angle peak and does not exceed first end maximum value, and it is triangular in shape that the wing two limits are protruding to drift angle peak its cross section that crosses by the 1st tapered expansion head surface; Two starting point spacing Extreme breadths that the 1st tapered expansion head surfaces are protruded on two limits of the wing do not exceed 5mm: two limits and by two starting points, relatively stretch the drift angle formed that crosses to peak be wedge angle or be round and smooth angle; The described wing terminates in first end and the second end center by first end end face edge to the second end longitudinal extension or exceedes center, descending the terminating in apart from the second end end face 2-5mm place and the 1st tapered expansion head surface of oblique line crosses, wing whole process outwards walks shape in obtuse angle, and its stop surface top to intersection entirety is inclined-plane is del; Described wing oblique line is descending is one section of clog-free taper of 2-5mm with the interval of the 1st tapered expansion head surface intersection to the second end end face; The technique effect that this accessible taper shows is, during assembling, the swollen mouth 2-5mm part of the 1st expansion sleeve can be received to be inserted in, can also make to be inserted in four swollen pages volts on the swollen mouth of the 1st expansion sleeve of the 1st tapered expansion head inner face on this section of accessible taper surface, cracking can not occur when not being subject to external force pressure and to expand and the four swollen pages remained on the swollen mouth of the 1st expansion sleeve are arranged on the reset condition on swollen mouth during fabrication, can thread smoothly into interlayer cinclides hole for the 2nd tapered expansion head and produce positive role; Described 1st tapered expansion head endoporus protrudes the 1st tapered expansion head second end external diameter maximum value 2-5mm; Described 1st tapered expansion head endoporus is less than the 1st tapered expansion head second end maximum value 1.5-2.5mm; The end face maximum value bezel of described 1st tapered expansion head endoporus hole wall and the 1st expansion sleeve second end crosses; The technology shape that this inclined-plane crosses shown, can enter hollow brick wall facing hole for the 1st tapered expansion head and the 2nd tapered expansion head simultaneously smoothly and interlayer cinclides hole can produce positive role;
Adjutage, be nested with in screw rod, there is first end and the second end, described adjutage first end faces and connects the 1st tapered expansion head second end, described adjutage second end faces and connects the 2nd expansion sleeve first end, described adjutage external diameter is less than the 1st tapered expansion head second end maximum value and the 2nd expansion sleeve first end external diameter, and described adjutage tube wall is less than the 2nd expansion sleeve pipe thickness, described adjutage inner face presses close to the surface of screw rod, and it is subject to external force orders about and can slide in screw rod, when described adjutage is conflicted at interlayer wall inner face after insert the hollow brick wall facing hole with the 1st expansion sleeve diameter matches with the 2nd expansion sleeve, also has sub-fraction adjutage meeting temporal persistence outside hollow brick wall facing hole, diameter due to adjutage is less than the hole diameter with the 1st expansion sleeve diameter matches, therefore adjutage now can make small size movement in hole, at this moment rock temporal persistence outside hollow brick wall hole adjutage with upper part, the trend of screw rod at hollow brick wall outer wall inner face can be controlled, effectively can escort the 2nd tapered expansion head threads into interlayer cinclides hole smoothly, the two ends end face of described adjutage is right angle, the concrete length between described two ends, deduct the length setting of the 1st tapered expansion head to interlayer wall inner face relative spacing length according to the hollow brick wall hollow brick outer wall inner face that will install, multinomial parameter is there is in the concrete length of described adjutage in crotch EXPANSION ANCHOR BOLTS is equipped with,
2nd expansion sleeve, be nested with in screw rod, there is first end and the second end, described 2nd expansion sleeve first end faces and connects adjutage second end, described 2nd expansion sleeve second end faces into the 2nd tapered expansion head first end, described second end is shaped with the swollen mouth mated with the 2nd tapered expansion head inner face, swollen mouth end face is interior corner cut, swollen mouth is shaped with four longitudinal triangular incision of symmetry, described triangular incision extends within its longitudinal length remains on 25mm to swollen mouth end face by bottom swollen mouth, bottom triangular incision, two limit spacing Extreme breadths at two angles are within 2mm, bottom triangular incision two limits at two angles extend to swollen mouth end face intersect, the adjacent four swollen page frame tables in triangular incision both sides are light face, but the adjacent four swollen pages in the triangular incision both sides on the swollen mouth of locality the 2nd expansion sleeve four slice swollen page forms adjacent with the triangular incision both sides on the 1st expansion sleeve can be exchanged or identical, described four swollen pages start to extend to first end end face relatively to draw close in bottleneck by the base at two angles bottom triangular incision, the outside diameter of described 2nd expansion sleeve is worth equal with the inner face largest diameter of the 2nd tapered expansion head, the outside diameter of described 2nd expansion sleeve is less than the outside diameter of the 1st expansion sleeve, and the pipe thickness of described 2nd expansion sleeve is greater than the pipe thickness of the 1st expansion sleeve, the concrete length of described 2nd expansion sleeve, according to the hollow brick wall hollow brick interlayer wall thickness that will install, lengthen 5-10mm setting in addition again, multinomial parameter is there is in the concrete length of described 2nd expansion sleeve in crotch EXPANSION ANCHOR BOLTS is equipped with,
2nd tapered expansion head, endoporus is equipped with screw thread, is screwed in screw rod end, has first end and the second end, and described 2nd tapered expansion head first end faces the swollen mouth into the 2nd expansion sleeve second end, described 2nd tapered expansion head second end is threaded through connected surface that hemisphere is communicated with screw rod end or maintains an equal level with connected surface, the external diameter of the swollen head first end of described 2nd tapered expansion is greater than the external diameter of the second end, makes the 2nd tapered expansion head outer tapered, described 2nd tapered expansion head first end to the second end longitudinal length does not exceed 20mm, and first end maximum outside diameter does not exceed 20mm, second end end face edge and inner hole wall edge cross in wedge angle, between described 2nd tapered expansion head first end and the second petiolarea, the surface on the symmetrical both sides of cylindrical is respectively provided with a wing, the wing protrudes its surface, the wing protrudes its surperficial drift angle peak and does not exceed first end maximum value, bottom the wing, to be protruding to top peak its cross section that crosses by the 2nd tapered expansion head surface triangular in shape two limits, and two starting point spacing Extreme breadths that the 1st tapered expansion head surfaces are protruded on two limits of the described wing do not exceed 5mm: two limits and by two starting points, relatively stretch the drift angle formed that crosses to peak be wedge angle or be round and smooth angle, the described wing terminates in first end and the second end center by first end end face edge to the second end longitudinal extension or exceedes center, descending the terminating in apart from the second end end face 2-5mm place and tapered expansion head surface of oblique line crosses, wing whole process outwards walks shape in obtuse angle, and its stop surface top to intersection entirety is inclined-plane is del, described wing oblique line is descending is one section of clog-free taper of 2-5mm with the interval of the 2nd tapered expansion head surface intersection to the second end end face, the technique effect that this accessible taper shows is: the swollen mouth 2-5mm part of the 2nd expansion sleeve can be received during assembling to be inserted in, can also make to be inserted in four swollen pages volts on the swollen mouth of the 2nd expansion sleeve of the 2nd tapered expansion head inner face on this section of accessible taper surface, cracking can not occur when not being subject to external force pressure and to expand and the four swollen pages remained on the swollen mouth of the 2nd expansion sleeve are arranged on the reset condition on swollen mouth during fabrication, can thread smoothly into interlayer cinclides hole for the 2nd tapered expansion head and produce positive role, described 2nd tapered expansion head endoporus protrudes the 2nd tapered expansion head second end external diameter maximum value 2-5mm, be less than the 2nd tapered expansion head second end maximum value 1.5-2.5mm, the end face maximum value bezel of described 2nd tapered expansion head endoporus hole wall and the second end crosses, the technology shape cooperation that this inclined-plane crosses shown protrudes the hemisphere of screw rod end, can thread smoothly into interlayer cinclides hole can produce positive role for the 2nd tapered expansion head, described 2nd tapered expansion head second end outside diameter maximum value is less than the 1st tapered expansion head second end outside diameter maximum value,
Screw rod, has first end and the second end, and described screw rod first end is provided with crotch, and it is also the hemisphere that screw rod bottom end face is communicated with that described screw rod second end is provided with screw thread with screw tip simultaneously; Described screw rod enters the concrete length of hollow brick wall hollow brick inside: according to physical length outside the surface of the hollow brick wall facing that will install to interlayer wall, add hemispheroidal length, lengthens 5-10mm setting in addition again; Multinomial parameter is there is in the concrete length of described screw rod in crotch EXPANSION ANCHOR BOLTS is equipped with;
Hemisphere, is communicated with screw rod end, has first end and the second end, and described hemisphere first end is also that screw tip is communicated with screw rod end simultaneously, and described hemisphere second end protrudes screw rod end; Described hemisphere protrude after the assembling of crotch EXPANSION ANCHOR BOLTS the 2nd tapered expansion head second end 3-6mm below or support flat with the 2nd tapered expansion head second; Described hemisphere is an irregular hemisphere; Described hemisphere diameter is less than the connected surface or equal with connected surface be communicated with screw rod 2 end; Described hemisphere protrudes screw rod 2 end connected surface 3-6mm;
Described crotch EXPANSION ANCHOR BOLTS, can produce according to state quality standard design, also can produce according to provisions of the relevant regulations issued by the State design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698672.XA CN104696331A (en) | 2013-12-10 | 2013-12-10 | Hooked expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698672.XA CN104696331A (en) | 2013-12-10 | 2013-12-10 | Hooked expansion bolt |
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| Publication Number | Publication Date |
|---|---|
| CN104696331A true CN104696331A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310698672.XA Pending CN104696331A (en) | 2013-12-10 | 2013-12-10 | Hooked expansion bolt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143560A (en) * | 2016-07-28 | 2017-09-08 | 李欣 | The swollen bolt mechanical device that two ends can be fastened |
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| DE10305911A1 (en) * | 2003-02-13 | 2004-08-26 | Liebig Gmbh & Co.Kg | Undercut anchor has pivotable anchoring segments formed by slotted end section of sleeve-form base component, and truncated cone-form tensioning component movable by tapered end inside base component between anchoring segments |
| CN101216060A (en) * | 2007-01-04 | 2008-07-09 | 王振国 | Hollow brick wall dedicated expansion screw bolt and method of manufacture |
| CN101363468A (en) * | 2007-08-08 | 2009-02-11 | 王振国 | Expansion screw bolt of double expansion sleeve pipe and method for manufacturing same |
| CN201874941U (en) * | 2010-11-11 | 2011-06-22 | 尚振边 | Assembled type expansion bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2137712A (en) * | 1983-04-08 | 1984-10-10 | Perard Torque Tension Ltd | Rock bolt assembly |
| US5042888A (en) * | 1990-06-06 | 1991-08-27 | Yugen Kaisha Shinjoseisakusho | Anchor bolt having a spring |
| EP0515916A2 (en) * | 1991-05-27 | 1992-12-02 | UPAT GMBH & CO | Expansible anchor |
| CN2371384Y (en) * | 1999-02-10 | 2000-03-29 | 谈建民 | Motion load-carrying expansion bolt |
| US6457922B1 (en) * | 2000-11-02 | 2002-10-01 | Chao-Yang Tsai | Expansion bolt assembly |
| CN2623929Y (en) * | 2003-01-27 | 2004-07-07 | 富崇民 | Two-way expansion bolt |
| DE10305911A1 (en) * | 2003-02-13 | 2004-08-26 | Liebig Gmbh & Co.Kg | Undercut anchor has pivotable anchoring segments formed by slotted end section of sleeve-form base component, and truncated cone-form tensioning component movable by tapered end inside base component between anchoring segments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107143560A (en) * | 2016-07-28 | 2017-09-08 | 李欣 | The swollen bolt mechanical device that two ends can be fastened |
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Application publication date: 20150610 |