CN106050883B - A kind of unilateral bolt connection piece of dual fastening - Google Patents
A kind of unilateral bolt connection piece of dual fastening Download PDFInfo
- Publication number
- CN106050883B CN106050883B CN201610448447.4A CN201610448447A CN106050883B CN 106050883 B CN106050883 B CN 106050883B CN 201610448447 A CN201610448447 A CN 201610448447A CN 106050883 B CN106050883 B CN 106050883B
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- Prior art keywords
- positioning
- bolt
- positioning tube
- way
- conehead
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- 230000009977 dual effect Effects 0.000 title claims abstract description 18
- 241001149930 Protura <class> Species 0.000 claims abstract description 70
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/36—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt with conical locking parts, which may be split, including use of separate rings co-operating therewith
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—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
- F16B13/068—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 expanded in two or more places
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of unilateral bolt connection piece of dual fastening, including positioning bolt and the rigid washer being arranged on positioning bolt, the first positioning tube, two-way conehead, the second positioning tube, it is clearance fit between both rigid washer and the first positioning tube and the screw rod of positioning bolt, two-way conehead and the second positioning tube both of which are fixed on the screw rod of positioning bolt by the matched mode of screw thread.The diameter of two-way conehead central part is more than the diameter at its both ends, multiple bar shaped breaches extended along positioning bolt axial direction are both provided with the circumference of one end of the two-way conehead of both the first positioning tube and the second positioning tube face, one end that bar shaped breach separates the two-way conehead of both the first positioning tube and the second positioning tube face forms polylith bar shaped locating plate.It is attached during present invention application by the way of unidirectionally fastening, simple operation is time saving and energy saving, and easy to the connection for section structural member of remaining silent, it is subject to the uneven masterpiece used time to be less prone to loosening, and then can guarantee that the stability of connection structure.
Description
Technical field
The present invention relates to steel structure connection technical field, is specifically a kind of unilateral bolt connection piece of dual fastening.
Background technology
Connection between component is usually realized using bolt in Construction of Steel Structure engineering, wherein, traditional bolt body by
Head and threaded screw rod two parts composition, are arranged through the default through hole of component and on screw rod when it is applied by screw rod
Nut, then will fix positioned at the bolt head of component side, then will be tightened positioned at the nut of component opposite side.In this way, component
Between realize and be fastenedly connected under the clamping position effect on nuts and bolt head.Using the connection of above-mentioned bolt and matching nut
Mode, which belongs to, to be detachably connected, and has the advantages that easy to operate, tightness is good, and therefore, it becomes in Construction of Steel Structure engineering most
One of connection mode favored.
Remain silent section structural member(Such as:Steel pipe)For the important component in Construction of Steel Structure engineering, it is attached to it
When, because section structural member of remaining silent is there are shield portions, it is not easy to carry out the fastening of nut inside it, and conventional bolt matching nut
Connection mode need to be operated in the both sides of component, therefore, the connection mode of conventional bolt matching nut, which is applied to remain silent, cuts
It is very limited during the connection of surface member.To solve the above problems, 103511420 A of Chinese patent publication No. CN are disclosed
A kind of unilateral fastening bolt, it includes screw rod and the bolt head of screw rod one end, on screw rod from bolt head end be equipped with successively packing ring,
Casing and a conehead, the nearly conehead end of casing are equipped with a plurality of axial breach, and the small head end of conehead is caught in casing.When it is applied
Screw head is tightened using torque wrench, casing is strutted by conehead, so as to block bolt hole, bolt is completed and unidirectionally installs.The list
Although side fastening bolt can realize the function of unidirectionally fastening, the fastening of its bolt and component is only by the circumferential card of distracted sleeve
Firmly screw hole, contact surface is smaller, is easily loosened under the effect of uneven power or component changing of the relative positions effect, this can seriously affect connection
The stability of structure.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of the unilateral of dual fastening to be bolted
Part, it is attached by the way of unidirectionally fastening, simple operation, time saving and energy saving, easy to the connection for section structural member of remaining silent, and its
It is subject to the uneven masterpiece used time to be less prone to loosening, and then can guarantee that the stability of connection structure.
The present invention, which solves the above problems, to be achieved through the following technical solutions:A kind of the unilateral of dual fastening is bolted
Part, including positioning bolt and be arranged on positioning bolt and be equipped with one end of bolt head to the positioning bolt other end from positioning bolt
Rigid washer, the first positioning tube, two-way conehead, the second positioning tube being sequentially arranged, the rigid washer and the first positioning tube two
It is clearance fit between the screw rod of person and positioning bolt, the internal diameter of the rigid washer is less than the first positioning tube outside diameter, described two-way
Conehead and the second positioning tube both of which are fixed on the screw rod of positioning bolt by the matched mode of screw thread;In the two-way conehead
The diameter at position is entreated to be more than one end of both the diameter at its both ends, first positioning tube and the second positioning tube two-way coneheads of face
Internal diameter be less than two-way conehead central part diameter and more than two-way conehead both ends diameter;First positioning tube and second
Multiple bar shapeds extended along positioning bolt axial direction are both provided with the circumference of one end of the two-way conehead of both positioning tubes face
Breach, one end that the bar shaped breach separates the two-way conehead of both the first positioning tube and the second positioning tube face form polylith bar shaped
Locating plate, the bar shaped locating plate of first positioning tube are matched with the bar shaped breach position correspondence of the second positioning tube, width, and the
The bar shaped breach position correspondence of the bar shaped locating plate of two positioning tubes and the first positioning tube, width match.The present invention is by first
The bar shaped breach provided circumferentially about of one end of the two-way conehead of both positioning tube and the second positioning tube face so that during present invention application
One end of the two-way conehead of both first positioning tube and the second positioning tube face can be softened.The present invention is used for section structural member of remaining silent
Connection when, two-way conehead and the second positioning tube, which are arranged on, remains silent in section structural member, and the first positioning tube is through section structural member of remaining silent
Default screw hole and its be equipped with bar shaped breach one end insertion remain silent in section structural member., first will rigidity when carrying out tightening operation
Packing ring is fixed, and controls two-way conehead and the second positioning tube to prevent both from rotating, then screws the bolt head of positioning bolt,
Positioning bolt, which rotates, drives two-way conehead and the second positioning tube to be shifted on the screw rod of positioning bolt to bolt head side, in two-way cone
Under the action of head, the bar shaped locating plate of both the first positioning tube and second positioning tube is softened, and is softened in the first positioning tube
Bar shaped locating plate blocks default screw hole on component, and the bar shaped locating plate being softened in the second positioning tube is apart from one spacing of screw hole
From position circumferential direction prop up the connection plate face of component, in this way, the single side fastening installation of bolt can be achieved.
Further, a kind of unilateral bolt connection piece of dual fastening, further includes spring pad, and the spring pad is arranged in fixed
On the screw rod of position bolt and between the bolt head and rigid washer of positioning bolt.The present invention is by bolt head and rigid pad
Spring pad is set between circle, bolt pretightening can be made to be evenly transferred to rigid washer, so that the present invention is being fastened
Uniform-compression state is in during connection around screw hole.
There are gap between the first positioning tube and screw rod of the present invention, it is local inclined that bolt head is subject to the changing of the relative positions easily to occur when acting on
Turn, this can influence the normal application of positioning bolt pretightning force.It is subject to changing of the relative positions effect to make pretightning force application to reduce bolt head
Into influence, further, a kind of unilateral bolt connection piece of dual fastening, further includes and is sheathed on the screw rod of positioning bolt
Spring ring set, the ring spring is sheathed in the first positioning tube and its side is contacted with rigid washer.The present invention application when with
Positioning bolt is tightened, and screw rod, which is under pretightning force, to be expanded slightly, ring spring is sleeved on inside the first positioning tube between screw rod
Gap is in full state, is subject to changing of the relative positions effect to be influenced caused by applying on pretightning force in this way, can reduce bolt head.The present invention is fixed
After position bolt unscrews and loses pretightning force, spring ring set can be drawn out, also can engagement tool(Such as:Pliers etc.)Unload.
Further, the bar shaped locating plate inner wall of both described first positioning tube and the second positioning tube, the two of two-way conehead
Be both provided with a circular conical surface it is multiple along positioning bolt axial direction extend strip burrs, two strip burrs of arbitrary neighborhood it
Between form both strip-shaped grooves, first positioning tube and the second positioning tube strip burr respectively with two-way conehead two
The position of strip-shaped grooves corresponds on circular conical surface.The present invention is by by both the first positioning tube and the second positioning tube and two-way cone
Head carries out ratcheting so that both the first positioning tube and the second positioning tube can be with two-way conehead firm lockings.
Further, the bar shaped breach of both described first positioning tube and the second positioning tube uniformly divides on both circumference
Cloth.In this way, the bar shaped locating plate in the present invention on both the first positioning tube and the second positioning tube is also uniformly distributed, it is ensured that this hair
It is bright block screw hole and hold connection plate face when active force apply it is more balanced, can further lift the stability of structure of the present invention.
Further, the quantity of both described first positioning tube and the second positioning tube bar shaped breach is 4.
Further, the ring-type banking stop being coaxially disposed with the first positioning tube is provided with first positioning tube, it is described
One end evagination of two-way the first positioning tube of conehead face, which is formed, positioning protrusion, bolt head of the two-way conehead to positioning bolt
When side displacement is made between its positioning protrusion screw-in ring-type banking stop and the bolt head of positioning bolt, the limitation positioning of ring-type banking stop
Protrusion departs from the region between ring-type banking stop and the bolt head of positioning bolt.The present invention screws in ring-type banking stop in positioning protrusion
Between the bolt head of positioning bolt during region, ring-type banking stop can effectively prevent two-way conehead to the sidesway away from bolt head
Position, is avoided that two-way conehead is reversed pull-out, so as to can guarantee that the first positioning tube is firmly locked with two-way conehead.
Further, the quantity of the ring-type banking stop is multiple, and multiple ring-type banking stops are along positioning bolt
Axial direction is equidistantly arranged.In this way, the depth that can be embedded in the first positioning tube during present invention application to two-way conehead is controlled,
The scope of application of the present invention to component thickness can be extended so that be more convenient for promoting and applying during present invention application.
Further, the ring-type banking stop is obliquely installed, and between its inner ring side and the bolt head of positioning bolt between
Away from less than the spacing between its outer rim side and the bolt head of positioning bolt.The present invention is made by the way that ring-type banking stop is obliquely installed
Get Qi Yi is plastically deformed, and easy to squeezing into for positioning protrusion, and the ring-type banking stop being obliquely installed causes positioning protrusion less
Easily retract so that structure of the invention is more firm.
In conclusion the invention has the advantages that:(1)Overall structure of the present invention is simple, is easy to implement, cost
Low, the present invention struts the bar shaped locating plate of both the first positioning tube and the second positioning tube by two-way conehead when applying, and first is fixed
The bar shaped locating plate that position cylinder is softened blocks the screw hole for treating connecting elements, while the bar shaped locating plate that the second positioning tube is softened exists
Position circumferential direction apart from screw hole certain distance holds connection plate face, realizes self-locking.In this way, increase positioning spiral shell during present invention application
The firm contact face of bolt and component so that the present invention is subject to the uneven masterpiece used time to be not easy to loosen, and then the company of can guarantee that
The stability of binding structure.
(2)The spring ring set being sheathed on the screw rod of positioning bolt is equipped with the first positioning tube of the present invention, due to spring
Ring set has certain rigidity, and the deformation of screw rod and the first positioning tube can be coordinated, even if there is plate transversely deforming
Can more preferably it fasten.Therefore, compared to existing technologies, the present invention has more reliable fastener guarantee, suitable for local uneven
The stressing conditions of deformation, easy for installation, operation is flexible.
(3)The ring-type banking stop being obliquely installed is equipped with the first positioning tube of the present invention, when in place two-way conehead
On positioning protrusion can be locked by ring-type banking stop, it is parallel with joint face all the time so as to avoid two-way conehead end face, avoid
Deflection of the two-way conehead under power effect so that structure of the present invention is more firm.
(4)The present invention contrasts similar bolt, has reliable self-locking system, is not only reliably fastened in bolt axial direction,
It can also avoid loosening in horizontal direction, the effect of suspension cable anchorage can be reached.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structure diagram of a specific embodiment of the invention;
Fig. 2 is the first positioning tube in Fig. 1 and the structure diagram after the second positioning tube perspective;
Fig. 3 is the decomposition texture schematic diagram of Fig. 2;
Fig. 4 is structure diagram when Fig. 2 is used for fastening member.
Corresponding parts title is marked in attached drawing:1st, positioning bolt, 2, spring pad, 3, rigid washer, 4, ring spring
Set, the 5, first positioning tube, 501, ring-type banking stop, 6, two-way conehead, 601, positioning protrusion, the 7, second positioning tube.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1:
As shown in Figure 1 to 4, a kind of unilateral bolt connection piece of dual fastening, including positioning bolt 1, rigid washer 3,
First positioning tube 5,6 and second positioning tube 7 of two-way conehead, wherein, rigid washer 3, the first positioning tube 5, two-way conehead 6 and second
Positioning tube 7 is arranged on positioning bolt 1 and four from the one end of positioning bolt 1 equipped with bolt head to 1 other end of positioning bolt
It is sequentially arranged.Both are clearance fit between the screw rod of positioning bolt 1 to 3 and first positioning tube 5 of rigid washer of the present embodiment, and
The internal diameter of rigid washer 3 is less than 5 outside diameter of the first positioning tube.The one end of second positioning tube 7 of the present embodiment away from bolt head is set
Have hush panel, be both provided with positioning screw hole in the hush panel and two-way conehead 6, the internal thread of positioning screw hole with positioning bolt 1
The external screw thread matching of screw rod, the screw rod of positioning bolt 1 pass through the positioning screw hole of both two-way 6 and second positioning tubes 7 of conehead, and then
So that two-way 6 and second positioning tube 7 of conehead is fixed on the screw rod of positioning bolt 1 by the matched mode of screw thread.
Structure of the two-way conehead 6 of the present embodiment from its central part to its both ends is circular cone shape structure, and two-way
The diameter of 6 central part of conehead is more than the diameter at its both ends.Both first positioning tube 5 of the present embodiment and the second positioning tube 7 are just
The diameter of two-way 6 central part of conehead is less than to the internal diameter of one end of two-way conehead 6 and is more than the diameter at two-way 6 both ends of conehead,
It is both provided with both first positioning tube 5 and the second positioning tube 7 circumference of one end of the two-way coneheads 6 of face multiple along positioning bolt
The bar shaped breach of 1 axial direction extension, bar shaped breach separate both the first positioning tube 5 and the second positioning tube 7 two-way coneheads 6 of face
One end form polylith bar shaped locating plate, wherein, the bar shaped breach of the bar shaped locating plate of the first positioning tube 5 and the second positioning tube 7
Position correspondence, width matching, and the bar shaped breach position correspondence of the bar shaped locating plate of the second positioning tube 7 and the first positioning tube 5, width
Degree matching.For the present embodiment in specific set, the first positioning tube 5 and second positioning tube 7 both bar shaped breaches are in both circles
It is uniformly distributed on week, and the quantity of both the first positioning tube 5 and the second positioning tube 7 bar shaped breaches is both preferably 4.
When the present embodiment is used for tightening operation, rigid washer 3 is fixed using common wrench, recycles torque wrench to screw fixed
The bolt head of position bolt 1, and two-way 6 and second positioning tube 7 of conehead is controlled to prevent both from rotating, and with torque wrench
Tighten, two-way 6 and second positioning tube 7 of conehead can be tightened gradually under screw thread drive towards bolt head direction, and finally make first
5 and second positioning tube of positioning tube, 7 alternating share struts, and not only blocks the screw hole for treating connecting elements, also treats connecting elements in distance
The position circumferential direction of screw hole certain distance props up connection plate face, realizes the single side fastening installation of bolt.
Embodiment 2:
In order to make the active force applied at bolt head uniformly transfer to the first positioning tube 5, base of the present embodiment in embodiment 1
It is made that on plinth and limits further below:The present embodiment further includes spring pad 2, wherein, spring pad 2 is arranged in positioning bolt 1
On screw rod, and it is arranged between the bolt head and rigid washer 3 of positioning bolt 1.
Embodiment 3:
It is steady in order to reduce structure when the present embodiment is applied in the gap between the first positioning tube 5 and the screw rod of positioning bolt 1
The influence of solidity, the present embodiment are made that on the basis of embodiment 1 or embodiment 2 and limit further below:The present embodiment is also
Including spring ring set 4, wherein, spring ring set 4 is made of the stacking of multiple crossed strips, forms all horizontal bullets of spring ring set 4
Spring is arranged on the screw rod of positioning bolt 1, and spring ring set 4 is arranged in the first positioning tube 5 and its side connects with rigid washer 3
Touch.
Embodiment 4:
The present embodiment is made that on the basis of any one embodiment in 1~embodiment of embodiment 3 and limits further below
It is fixed:First positioning tube 5 of the present embodiment and the second positioning tube 7 both bar shaped locating plate inner walls are both provided with multiple along positioning spiral shells
The strip burr of 1 axial direction of bolt extension, is equipped with two circular conical surfaces of two-way conehead 6 another from circular conical surface one end to circular conical surface
The strip burr of one end extension, two strips of arbitrary neighborhood on the first positioning tube 5,6 and second positioning tube of two-way conehead, 7 three
A strip-shaped grooves are formed between burr.First positioning tube 5 and the second positioning tube 7 both strip burrs respectively with two-way conehead
The position of strip-shaped grooves corresponds on 6 two circular conical surfaces, in this way, when the present embodiment is fastenedly connected, the first positioning tube 5
Both are ratcheting with two-way conehead 6 with the second positioning tube 7.
Embodiment 5:
The present embodiment is made that on the basis of any one embodiment in 1~embodiment of embodiment 4 and limits further below
It is fixed:The ring-type banking stop 501 being coaxially disposed with the first positioning tube 5, two-way conehead are provided with first positioning tube 5 of the present embodiment
One end evagination of 6 the first positioning tubes of face 5, which is formed, positioning protrusion 601.The present embodiment is in specific set, ring-type banking stop
501 quantity is multiple, and multiple ring-type banking stops 501 are equidistantly arranged along the axial direction of positioning bolt 1.The ring of the present embodiment
Shape banking stop 501 is obliquely installed, and is smaller than its outer rim side and positioning between its inner ring side and the bolt head of positioning bolt 1
Spacing between the bolt head of bolt 1.
Bolt head side displacement of the two-way conehead 6 of the present embodiment to positioning bolt 1 makes its positioning protrusion 601 screw in ring-type
When between the bolt head of banking stop 501 and positioning bolt 1, ring-type banking stop 501 limits positioning protrusion 601 and departs from ring-type banking stop
Region between 501 and the bolt head of positioning bolt 1.In this way, the present embodiment is avoided that two-way conehead 6 is reversed drawing when applying
Go out so that two-way conehead 6 can firmly be locked with the first positioning tube 5.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further
Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of unilateral bolt connection piece of dual fastening, it is characterised in that including positioning bolt(1)And it is arranged in positioning bolt
(1)It is upper and from positioning bolt(1)One end equipped with bolt head is to positioning bolt(1)The rigid washer that the other end is sequentially arranged(3)、
First positioning tube(5), two-way conehead(6), the second positioning tube(7), the rigid washer(3)With the first positioning tube(5)Both with
Positioning bolt(1)Screw rod between be clearance fit, the rigid washer(3)Internal diameter be less than the first positioning tube(5)Outside diameter, it is described
Two-way conehead(6)With the second positioning tube(7)Both of which is fixed on positioning bolt by the matched mode of screw thread(1)Screw rod on;
The two-way conehead(6)The diameter of central part is more than the diameter at its both ends, first positioning tube(5)With the second positioning tube
(7)Both two-way coneheads of face(6)The internal diameter of one end be less than two-way conehead(6)The diameter of central part and it is more than two-way conehead
(6)The diameter at both ends;First positioning tube(5)With the second positioning tube(7)Both two-way coneheads of face(6)One end circumference
On be both provided with it is multiple along positioning bolt(1)The bar shaped breach of axial direction extension, the bar shaped breach separate the first positioning tube
(5)With the second positioning tube(7)Both two-way coneheads of face(6)One end form polylith bar shaped locating plate, first positioning tube
(5)Bar shaped locating plate and the second positioning tube(7)Bar shaped breach position correspondence, width matching, and the second positioning tube(7)Bar
Shape locating plate and the first positioning tube(5)Bar shaped breach position correspondence, width matching.
2. the unilateral bolt connection piece of a kind of dual fastening according to claim 1, it is characterised in that further include spring pad
(2), the spring pad(2)It is arranged in positioning bolt(1)Screw rod on and be arranged on positioning bolt(1)Bolt head and rigid washer
(3)Between.
3. the unilateral bolt connection piece of a kind of dual fastening according to claim 1, it is characterised in that further include and be sheathed on
Positioning bolt(1)Screw rod on spring ring set(4), the spring ring set(4)Arranged on the first positioning tube(5)Interior and its side with
Rigid washer(3)Contact.
A kind of 4. unilateral bolt connection piece of dual fastening according to claim 1, it is characterised in that first positioning
Cylinder(5)With the second positioning tube(7)Both bar shaped locating plate inner wall, two-way coneheads(6)Two circular conical surfaces on be both provided with it is more
It is a along positioning bolt(1)The strip burr of axial direction extension, a strip ditch is formed between two strip burrs of arbitrary neighborhood
Groove, first positioning tube(5)With the second positioning tube(7)Both strip burr respectively with two-way conehead(6)Two circular conical surfaces
The position of upper strip-shaped grooves corresponds.
A kind of 5. unilateral bolt connection piece of dual fastening according to claim 1, it is characterised in that first positioning
Cylinder(5)With the second positioning tube(7)Both bar shaped breaches are uniformly distributed on both circumference.
A kind of 6. unilateral bolt connection piece of dual fastening according to claim 5, it is characterised in that first positioning
Cylinder(5)With the second positioning tube(7)The quantity of both bar shaped breaches is 4.
7. a kind of unilateral bolt connection piece of dual fastening according to any one in claim 1~6, its feature exist
In first positioning tube(5)Inside it is provided with and the first positioning tube(5)The ring-type banking stop being coaxially disposed(501), it is described two-way
Conehead(6)The first positioning tube of face(5)One end evagination form and have positioning protrusion(601), the two-way conehead(6)To positioning spiral shell
Bolt(1)Bolt head side displacement make its positioning protrusion(601)Screw in ring-type banking stop(501)With positioning bolt(1)Bolt
When between head, ring-type banking stop(501)Limit positioning protrusion(601)Depart from ring-type banking stop(501)With positioning bolt(1)Spiral shell
Region between bolt head.
8. the unilateral bolt connection piece of a kind of dual fastening according to claim 7, it is characterised in that the ring-type is spacing
Piece(501)Quantity to be multiple, multiple ring-type banking stops(501)Along positioning bolt(1)Axial direction equidistantly arrange
Cloth.
9. the unilateral bolt connection piece of a kind of dual fastening according to claim 7, it is characterised in that the ring-type is spacing
Piece(501)It is obliquely installed, and its inner ring side and positioning bolt(1)Bolt head between be smaller than its outer rim side with positioning spiral shell
Bolt(1)Bolt head between spacing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610448447.4A CN106050883B (en) | 2016-06-21 | 2016-06-21 | A kind of unilateral bolt connection piece of dual fastening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610448447.4A CN106050883B (en) | 2016-06-21 | 2016-06-21 | A kind of unilateral bolt connection piece of dual fastening |
Publications (2)
Publication Number | Publication Date |
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CN106050883A CN106050883A (en) | 2016-10-26 |
CN106050883B true CN106050883B (en) | 2018-05-11 |
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Application Number | Title | Priority Date | Filing Date |
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CN201610448447.4A Active CN106050883B (en) | 2016-06-21 | 2016-06-21 | A kind of unilateral bolt connection piece of dual fastening |
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CN106968336B (en) * | 2017-05-12 | 2023-10-13 | 天津大学 | Friction self-locking connecting piece between steel members |
CN107338867B (en) * | 2017-07-31 | 2023-12-01 | 天津大学 | Unlocking modular steel structure insertion self-locking node |
US11193517B2 (en) * | 2017-09-14 | 2021-12-07 | Centrix Inc. | Fastener system |
CN110701910B (en) * | 2018-07-10 | 2021-08-10 | 中国石化工程建设有限公司 | Installation anchor assembly |
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CN2646457Y (en) * | 2003-09-04 | 2004-10-06 | 胡会永 | Stopper expansion bolt |
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CN101713428B (en) * | 2009-10-28 | 2011-09-21 | 福建鹏坤实业有限公司 | Anti-seismic anchor bolt |
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