CN110439912A - A kind of locking flange face bolt - Google Patents
A kind of locking flange face bolt Download PDFInfo
- Publication number
- CN110439912A CN110439912A CN201910634693.2A CN201910634693A CN110439912A CN 110439912 A CN110439912 A CN 110439912A CN 201910634693 A CN201910634693 A CN 201910634693A CN 110439912 A CN110439912 A CN 110439912A
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- China
- Prior art keywords
- flange portion
- type groove
- helix type
- flange
- bolt
- 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.)
- Pending
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- 238000000034 method Methods 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16B2/00—Friction-grip releasable fastenings
- F16B2/005—Means to increase the friction-coefficient
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- 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
- F16B39/284—Locking by means of elastic deformation
Abstract
A kind of locking flange face bolt, it is related to the bolt part of fastener areas, including bolt head (1), bolt shank (3) and the flange portion (2) being connected between the screw head (1) and the bolt shank (3), the one side of the flange portion (2) towards bolt shank (3) is flange portion bottom surface (21), the one side being connected in the flange portion (2) with flange portion bottom surface (21) is flange portion cylindrical surface (22), the flange portion cylindrical surface (22) is equipped with circle helix type groove (23), link slot (24) are additionally provided on the flange portion cylindrical surface (22), described link slot (24) one end is communicated with flange portion bottom surface (21), the other end is connected with most significant end axial on helix type groove (23), axial least significant end on the helix type groove (23) It is connected with link slot (24) middle part.Pressing force is stronger, is not easy to loosen.
Description
Technical field
The present invention relates to the bolt parts of fastener areas, and in particular to a kind of locking flange face bolt.
Background technique
Flange face bolt is as a kind of the most commonly used fastener, using very extensive in industrial circle.GB/
A kind of hexagon flange bolt is described in T16674.1-2016, flange face is the inclined-plane of certain angle, and tilt angle is usual
It is reversed 0.25 ° -1.25 °.Bolt is in rundown process, and when flange face and connected piece surface start to contact, contact site is
Bolt flange face outer rim.With being gradually increased for screw-down torque, flange face is gradually varied to face contact, method by the line contact of outer rim
Blue face also starts flexible deformation, and final realization flange face is bonded with connected piece surface, and flange face angle becomes 0 °.If long
Time service, vibration bring the power for being parallel to connected piece surface, this power is commonly greater than bolt and connected piece surface
Frictional force, flange face bolt easily loosen.Simultaneously because the flexible deformation of flange face produces bounce, due to the effect of bounce
It will lead to bolt conquassation or scrape connected piece surface.
Summary of the invention
The purpose of the present invention is overcoming the problems, such as that existing flange face bolt easily scrapes, is crushed connected piece surface, Yi Songdong,
A kind of locking flange face bolt is provided, will not be crushed, scrapes connected piece surface, clamping force is stronger, is not easy to loosen.
In order to achieve the above object, technical scheme is as follows:
A kind of locking flange face bolt, including bolt head, bolt shank and it is connected to the screw head and the bolt
Flange portion between bar portion, the one side of the flange portion towards bolt shank are flange portion bottom surface, in the flange portion with method
The connected one side in blue portion bottom surface is flange portion cylindrical surface, and the flange face bottom surface is inner concave, is leaned on the flange portion bottom surface
It is downwardly projected at nearly flange portion cylindrical surface, the flange portion cylindrical surface is equipped with a circle helix type groove, the flange portion cylinder
Link slot is additionally provided on face, described link slot one end is communicated with flange portion bottom surface, on the other end and helix type groove axially most
It is high-end to be connected, it is connected in the middle part of axial least significant end and link slot in the helix type groove.
The screw pitch of the helix type groove and ratio=1:20~1:4 of flange portion thickness.
The axial cross section of the helix type groove is V-shaped or U-shaped.
Ratio=1.5:1 of the maximum axial open height of the helix type groove and protruding parts maximum axial height~
2.5:1.
On the radial depth of the helix type groove and flange portion bottom surface in minimum point to flange portion cylindrical surface it is radial away from
From ratio=2:1~3:1.
The groove depth of the link slot is equal with the radial depth of helix type groove.
The ratio of the axial height and flange portion thickness of minimum point in the minimum point to flange portion bottom surface of the helix type groove=
1:10~1:2.
The groove width of the link slot and ratio=1:15~1:10 of flange portion diameter.
The flange portion bottom surface is divided into two parts, wherein being circular conical surface close to the part of bolt shank, close to flange portion
The part on cylindrical surface is helicoid, the part on close flange portion cylindrical surface and the axis of helix type groove on the flange portion bottom surface
Line is parallel.
Elastic rubber or marine glue are filled in the helix type groove.
Compared with prior art, the invention has the benefit that
1, flange portion cylindrical surface is equipped with a circle helix type groove in the present invention, is additionally provided with connection on the flange portion cylindrical surface
Slot, described link slot one end are communicated with flange portion bottom surface, and the other end is connected with most significant end axial in helix type groove, the spiral shell
It is connected in the middle part of axial least significant end and link slot in spin line type groove.The edge position of flange portion cylindrical body is divided by helix type groove
Upper and lower two layers, link slot disconnects helix type groove, then the lower layer position of helix type groove forms class spring washer structure,
The lower layer position of helix type groove also constitutes a cantilever by slot bottom to cylindrical surface edge, when flange face bolt and is connected
Minimum point elder generation and connected piece surface when part is threadedly coupled, on the helix type groove lower layer part position of flange portion bottom surface
Contact, and connected piece surface is pressed to, when flange face bolt is applied to moment of flexure caused by the active force of the minimum point greater than spiral shell
When the bending at spin line type groove lower layer position, the lower layer position of helix type groove then starts to occur bending and deformation upwards, pushes flange
The whole upper cell wall close to helix type groove of minimum point and associated position on portion bottom surface, the open height contracting of helix type groove
Small, the contact area on flange portion bottom surface and connected piece surface increases, and flange face bolt acts on the pressure on connected piece surface
It reduces, since helix type groove lower layer part position thickness is smaller, can occur bending and deformation under lesser pressure, therefore flange face spiral shell
Bolt can make flange portion bottom surface nadir and the line contact condition fast transition on connected piece surface to face under lesser pressure
Contact condition, so that can avoid flange face bolt scrapes when flexible deformation occurs or be crushed connected piece surface.Continuing to twist
In tight process, with the increase of screwing force, the lower layer position of helix type groove is integrally close to the cell wall above helix type groove,
Flange portion bottom surface gradually flattens, while helix type groove slowly flattens, and realizes the connection of flange face bolt and connected piece.Work as method
When the locking of blue face bolt, the integral, flexible deflection of flange face bolt makes entire bolt clamping, avoids loosening, after tightening,
Maximum is reached to the pressure on connected piece surface, can prevent flange face bolt from loosening.In use, if flange face bolt
Generation loosens trend, i.e. flange face bolt coupling mechanism force declines, and integral, flexible deflection has reduction to tend to, at this moment under helix type groove
The local elastic deformation power at layer position can then discharge, and wherein helix type groove axis is to least significant end and connected piece surface distance
Closely, under same deformation release conditions, helix type groove axis is most fast to least significant end lower layer position deformation release, due to there is connection
Slot, so that there is drop in most significant end lower layer position into least significant end lower layer position and helix type groove in helix type groove axis, from
And there is a bayonet, bayonet can play the role of increasing frictional force, prevent bolt from loosening along direction is back-outed, and be finally reached method
The anti-loosing effect of blue face bolt.
2, ratio=1:20~1:4 of the screw pitch of heretofore described helix type groove and flange portion thickness.So that spiral line type
Slot is easy to flatten, and since helix type groove has certain screw pitch, the deformation quantity after pressing can generate lock to connected piece surface
Clamp force prevents bolt looseness.
3, the axial cross section of helix type groove is V-shaped or U-shaped in the present invention；When axial cross section is V-type, helix type groove becomes
After shape, upper wall surface and lower wall surface can fit together；When axial cross section is U-shaped, spiral line type slot bottom there are certain space,
The screen resilience for increasing slot bottom makes its elasticity become strong.
4, the ratio of the maximum axial open height of heretofore described helix type groove and protruding parts maximum axial height=
1.5:1~2.5:1.In rundown process, by upward extruding force, the upward deformation in helix type groove lower layer part position, spiral line type
The following face of slot, so bounce is mainly derived from helix type groove lower layer part position, will not reduce quilt with top face contact always
The coupling mechanism force that connector surface is subject to avoids conquassation connected piece surface.
5, on the radial depth of heretofore described helix type groove and flange portion bottom surface minimum point to flange portion cylindrical surface
Radial distance ratio=2:1~3:1 so that helix type groove slot bottom between flange portion bottom surface nadir formed the arm of force as far as possible
Greatly, it can be applied to low-force on flange portion bottom surface nadir, make the upward deformation of the underclad portion of helix type groove.
6, the groove depth of heretofore described link slot is equal with the radial depth of helix type groove.It avoids because depth is inconsistent
Caused by strength reduction.If the groove depth of link slot is greater than the radial depth of helix type groove, may be from connection when tightening
Slot goes out to tear apart, if the groove depth of link slot is less than the radial depth of helix type groove, works long hours, link slot and helix
Internal collapse can be may cause because deformation nowhere discharges at spiral line type groove depth in the junction of type groove.
7, in the minimum point to flange portion bottom surface of heretofore described helix type groove minimum point axial height h2 and method
Ratio=1:10~1:2 of blue portion's maximum gauge.It makes it possible to make helix type groove lower layer part position deformation with lesser power.
8, ratio=1:15~1:10 of the groove width of heretofore described link slot and flange portion diameter.In flange face bolt pine
When dynamic, bayonet can occur in the lower layer position of helix type groove, prevent flange face bolt from loosening along direction is back-outed, such groove width
There is bayonet in bolt looseness.
9, heretofore described flange portion bottom surface is divided into two parts, wherein be circular conical surface close to the part of bolt shank,
Part close to flange portion cylindrical surface is helicoid, the part on close flange portion cylindrical surface and helix on the flange portion bottom surface
The axis parallel of type groove.The lower wall surface of helix type groove and flange portion bottom surface form class spring washer structure, and flange portion bottom
Close to flange portion cylindrical surface position at helicoid on face, during tightening, with the increase of screwing force, helix type groove
The whole cell wall above helix type groove in lower layer position, flange portion bottom surface gradually flattens, while helix type groove is slowly pressed
It is flat, the axial height side pressure of helix type groove to be put down, it is horizontality that the lower layer position of helix type groove changes from helical form, from
And the area of flange portion Yu connected piece surface is increased, while increasing after flattening as spring washer to connected piece surface
Coupling mechanism force, anti-loosening better effect.In use, if flange face bolt generation loosens trend, i.e. flange face bolt is locked
Power decline, integral, flexible deflection have reduction to tend to, and at this moment the local elastic deformation power of helix type groove lower layer part position can then be released
It puts, wherein helix type groove axis is close with connected piece surface distance to least significant end, under same deformation release conditions, helix
Axial least significant end lower layer position deformation release is most fast in type groove, due to there is link slot, so that helix type groove axis is to least significant end
There is drop in most significant end lower layer position in lower layer position and helix type groove, to a bayonet occur, bayonet can play increasing
The effect of frictional force prevents bolt from loosening along direction is back-outed, is finally reached the anti-loosing effect of flange face bolt.
10, elastic rubber or marine glue are filled in heretofore described helix type groove.On the one hand avoid because of water or
Other factor of natural environment cause the corrosion to helix type groove, avoid the fracture of flange portion caused by corroding；On the other hand can add
Elastic force greatly under tight condition, avoids bolt from loosening.
Detailed description of the invention
Fig. 1 is the main view of the first structure in the present invention；
Fig. 2 is the partial axial section schematic diagram of the first structure in the present invention；
Fig. 3 is the position A enlarged drawing, that is, helix type groove the first structural schematic diagram in Fig. 2；
Fig. 4 is second of structural schematic diagram of the position A enlarged drawing, that is, helix type groove in Fig. 2；
Fig. 5 is the position A enlarged drawing, that is, helix type groove the third structural schematic diagram in Fig. 2；
Fig. 6 is the 4th kind of structural schematic diagram of the position A enlarged drawing, that is, helix type groove in Fig. 2；
Fig. 7 is the 5th kind of structural schematic diagram of the position A enlarged drawing, that is, helix type groove in Fig. 2；
Fig. 8 is the main view of second of structure in the present invention；
Fig. 9 is the partial axial section schematic diagram of second of structure in the present invention；
Figure 10 is a kind of structural schematic diagram of the position B enlarged drawing, that is, helix type groove in Fig. 9；
In figure: bolt head 1, flange portion 2, bolt shank 3, flange portion bottom surface 21, flange portion cylindrical surface 22, helix type groove
23, link slot 24, on flange portion bottom surface minimum point to the radial distance t1 on flange portion cylindrical surface, the radial depth of helix type groove
Protruding parts maximum axial height h1 on t2, flange portion bottom surface, helix type groove minimum point to flange portion bottom surface on minimum point
Axial height h2, helix type groove maximum axial open height h3.
Specific embodiment
The present invention is described in further detail with specific embodiment for explanation with reference to the accompanying drawing.
Referring to Fig. 1, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
For inner concave, it is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, on the flange portion cylindrical surface 22
Equipped with a circle helix type groove 23, be additionally provided with link slot 24 on the flange portion cylindrical surface 22, described 24 one end of link slot with
Flange portion bottom surface 21 communicates, and the other end is connected with most significant end axial in helix type groove 23, axial in the helix type groove 23
It is connected in the middle part of least significant end and link slot 24.
Ratio=1:20~1:4 of 2 thickness of screw pitch and flange portion of the helix type groove 23.Such design is so that spiral
Linear groove is easy to flatten, and since helix type groove has certain screw pitch, can generate pressure to connected piece surface after pressing, prevent
Only bolt looseness.
Referring to figs. 2 and 3,2 axial cross section of flange portion bottom surface is the straightway tilted down, and tilt angle can be
0.25 °~2.5 °.The axial cross section of the helix type groove 23 is V-shaped, wherein the upper wall surface and flange face of helix type groove 23
The central axes of bolt are vertical, and lower wall surface is parallel with flange portion bottom surface 21,21 tilt angle of angle flange portion bottom surface tilted down
Unanimously.
Referring to fig. 4, the axial cross section of the helix type groove 23 is V-shaped, wherein the lower wall surface and method of helix type groove 23
The central axes of blue face bolt are vertical, and lower wall surface is parallel with flange portion bottom surface 21, and the angle flange portion bottom surface 21 tilted down tilts
Angle is consistent.
Referring to Fig. 5, the axial cross section of the helix type groove 23 is V-shaped, and wherein the lower wall of helix type groove 23 is downwards
Inclination, institute is angled consistent with 21 tilt angle of flange portion bottom surface with the central axes of helix type groove, and upper wall tilts upwardly；With
The central axes institute of helix type groove is angled consistent with 21 tilt angle of flange portion bottom surface；
Referring to Fig. 6, the axial cross section of the helix type groove 23 is in U-shape, wherein the lower wall surface and upper wall surface of helix type groove 23
Vertical with the central axes of flange face bolt, the one side close to flange face bolt central axes is in arc surface；
Referring to Fig. 7, the axial cross section of the helix type groove 23 is in U-shape, wherein the lower wall surface and upper wall surface of helix type groove 23
It is parallel with flange portion bottom surface 21, tilt down angled consistent with 21 tilt angle of flange portion bottom surface, a close flange face spiral shell
The one side of bolt central axes is in arc surface；
The radial section of the link slot 24 is V-shaped.
Ratio=1.5 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23:
1~2.5:1.
On the radial depth t2 of the helix type groove 23 and flange portion bottom surface 21 in minimum point to flange portion cylindrical surface 22
Radial distance t1 ratio=2:1~3:1.
The groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 are thick in the minimum point to flange portion bottom surface 21 of the helix type groove 23
Ratio=1:10~1:2 of degree.
Ratio=1:15~1:10 of 2 diameter of groove width and flange portion of the link slot 24.
Referring to Fig. 8, Fig. 9 and Figure 10, the flange portion bottom surface 21 is divided for two parts, wherein close to the portion of bolt shank 3
It is divided into circular conical surface, the part close to flange portion cylindrical surface 22 is helicoid, close flange portion cylinder on the flange portion bottom surface 21
The axis parallel of the part in face 22 and helix type groove 23.
Elastic rubber or marine glue are filled in the helix type groove 23.
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
It for inner concave, is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is axial
The line segment that section tilts down, tilting down angle is 1 °, and the one side being connected in the flange portion 2 with flange portion bottom surface 21 is
Flange portion cylindrical surface 22, the flange portion cylindrical surface 22 is equipped with a circle helix type groove 23, on the flange portion cylindrical surface 22
It is additionally provided with link slot 24, described 24 one end of link slot is communicated with flange portion bottom surface 21, axis on the other end and helix type groove 23
It is connected to most significant end, is connected in the middle part of axial least significant end and link slot 24 in the helix type groove 23.The helix type groove 23
2 thickness of screw pitch and flange portion ratio=1:20, the radial section of link slot 24 is V-shaped.The groove width and flange of the link slot 24
Ratio=1:15 of 2 diameter of portion.
Referring to Fig. 3, the axial cross section of the helix type groove 23 is V-shaped, wherein the upper wall surface and method of helix type groove 23
The central axes of blue face bolt are vertical, and lower wall surface is parallel with flange portion bottom surface 21 and is downwards in 1 ° with upper wall；
Ratio=1.5:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；Institute
State on the radial depth t2 and flange portion bottom surface 21 of helix type groove 23 in minimum point to flange portion cylindrical side 22 it is radial away from
Ratio from t1 is equal to 2:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:3.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Embodiment 2
Referring to Fig. 1 and Fig. 2, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
It for inner concave, is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is axial
The line segment that section tilts down, tilting down angle is 0.5 °, the one side being connected in the flange portion 2 with flange portion bottom surface 21
For flange portion cylindrical surface 22, the flange portion cylindrical surface 22 is equipped with a circle helix type groove 23, the flange portion cylindrical surface 22
On be additionally provided with link slot 24, described 24 one end of link slot is communicated with flange portion bottom surface 21, in the other end and helix type groove 23
Axial most significant end is connected, and is connected in the middle part of axial least significant end and link slot 24 in the helix type groove 23.The helix type groove
Ratio=1:4 of 23 2 thickness of screw pitch and flange portion, the radial section of link slot 24 are V-shaped.The groove width and method of the link slot 24
Ratio=1:10 of blue 2 diameter of portion.
Referring to fig. 4, the axial cross section of the helix type groove 23 is V-shaped, wherein the lower wall surface and method of helix type groove 23
The central axes of blue face bolt are vertical, and upper wall surface is parallel with flange portion bottom surface 21 and is downwards in 0.5 ° with lower wall；
Ratio=2.5:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；Institute
State on the radial depth t2 and flange portion bottom surface 21 of helix type groove 23 in minimum point to flange portion cylindrical side 22 it is radial away from
Ratio from t1 is equal to 3:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:2.
Marine glue is filled in the helix type groove 23.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Embodiment 3
Referring to Fig. 1 and Fig. 2, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
It for inner concave, is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is axial
The line segment that section tilts down, tilting down angle is 1.5 °, the one side being connected in the flange portion 2 with flange portion bottom surface 21
For flange portion cylindrical surface 22, the flange portion cylindrical surface 22 is equipped with a circle helix type groove 23, the flange portion cylindrical surface 22
On be additionally provided with link slot 24, described 24 one end of link slot is communicated with flange portion bottom surface 21, in the other end and helix type groove 23
Axial most significant end is connected, and is connected in the middle part of axial least significant end and link slot 24 in the helix type groove 23.The helix type groove
Ratio=1:10 of 23 2 thickness of screw pitch and flange portion, the radial section of link slot 24 are V-shaped.The groove width and method of the link slot 24
Ratio=1:12 of blue 2 diameter of portion.
Referring to Fig. 5, the axial cross section of the helix type groove 23 is V-shaped, and wherein the lower wall of helix type groove 23 is downwards
Inclination, the central axes with helix type groove are in 1.5 °, and upper wall tilts upwardly；Central axes with helix type groove are in 1.5 °；
Ratio=2:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；It is described
The radial depth t2 of helix type groove 23 and the radial distance in minimum point to flange portion cylindrical side 22 on flange portion bottom surface 21
The ratio of t1 is equal to 2.5:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:10.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Embodiment 4
Referring to Fig. 1 and Fig. 2, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
It for inner concave, is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is axial
The line segment that section tilts down, tilting down angle is 2 °, and the one side being connected in the flange portion 2 with flange portion bottom surface 21 is
Flange portion cylindrical surface 22, the flange portion cylindrical surface 22 is equipped with a circle helix type groove 23, on the flange portion cylindrical surface 22
It is additionally provided with link slot 24, described 24 one end of link slot is communicated with flange portion bottom surface 21, axis on the other end and helix type groove 23
It is connected to most significant end, is connected in the middle part of axial least significant end and link slot 24 in the helix type groove 23.The helix type groove 23
2 thickness of screw pitch and flange portion ratio=1:2, the radial section of link slot 24 is U-shaped.The groove width and flange of the link slot 24
Ratio=1:14 of 2 diameter of portion.
Referring to Fig. 6, the axial cross section of the helix type groove 23 is in U-shape, wherein the lower wall surface of helix type groove 23 and upper
Wall surface is vertical with the central axes of flange face bolt, and the one side close to flange face bolt central axes is in arc surface；
Ratio=2.5:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；Institute
State on the radial depth t2 and flange portion bottom surface 21 of helix type groove 23 in minimum point to flange portion cylindrical side 22 it is radial away from
Ratio from t1 is equal to 2:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:6.
Elastic rubber is filled in the helix type groove 23.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Embodiment 5
Referring to Fig. 1 and Fig. 2, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
It for inner concave, is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is axial
The line segment that section tilts down, tilting down angle is 2.5 °, the one side being connected in the flange portion 2 with flange portion bottom surface 21
For flange portion cylindrical surface 22, the flange portion cylindrical surface 22 is equipped with a circle helix type groove 23, the flange portion cylindrical surface 22
On be additionally provided with link slot 24, described 24 one end of link slot is communicated with flange portion bottom surface 21, in the other end and helix type groove 23
Axial most significant end is connected, and is connected in the middle part of axial least significant end and link slot 24 in the helix type groove 23.The helix type groove
Ratio=1:6 of 23 2 thickness of screw pitch and flange portion, the radial section of link slot 24 are U-shaped.The groove width and method of the link slot 24
Ratio=1:15 of blue 2 diameter of portion.
Referring to Fig. 7, the axial cross section of the helix type groove 23 is in U-shape, wherein the lower wall surface of helix type groove 23 and upper
Wall surface is parallel with flange portion bottom surface 21, tilts down 2.5 °, and the one side close to flange face bolt central axes is in arc surface；
Ratio=2:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；It is described
The radial depth t2 of helix type groove 23 and the radial distance in minimum point to flange portion cylindrical side 22 on flange portion bottom surface 21
The ratio of t1 is equal to 2:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:7.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Embodiment 6
Referring to Fig. 8 and Fig. 9, a kind of locking flange face bolt, including bolt head 1, bolt shank 3 and it is connected to the screw rod
Flange portion 2 between head 1 and the bolt shank 3, the one side of the flange portion 2 towards bolt shank 3 are flange portion bottom surface
21, the one side being connected in the flange portion 2 with flange portion bottom surface 21 is flange portion cylindrical surface 22, the flange face bottom surface 21
For inner concave, it is downwardly projected at flange portion cylindrical surface 22 on the flange portion bottom surface 21, the flange portion bottom surface 21 is divided
For two parts, wherein being circular conical surface close to the part of bolt shank 3, the part close to flange portion cylindrical surface 22 is helicoid.Institute
The one side being connected in the flange portion 2 stated with flange portion bottom surface 21 is flange portion cylindrical surface 22, is set on the flange portion cylindrical surface 22
There is a circle helix type groove 23, link slot 24, described 24 one end of link slot and method are additionally provided on the flange portion cylindrical surface 22
Blue portion bottom surface 21 communicates, and the other end is connected with most significant end axial in helix type groove 23, in the helix type groove 23 axially most
It is connected in the middle part of low side and link slot 24.Ratio=1:6 of 2 thickness of screw pitch and flange portion of the helix type groove 23, link slot 24
Radial section is U-shaped.Ratio=1:15 of 2 diameter of groove width and flange portion of the link slot 24.
Referring to Figure 10, the axial cross section of the helix type groove 23 is in U-shape, wherein the lower wall surface of helix type groove 23 and upper
Wall surface is vertical with the central axes of flange face bolt, and the one side close to flange face bolt central axes is in arc surface；Helix type groove
23 central axes are parallel close to 22 part of flange portion cylindrical surface on flange portion bottom surface 21.
Ratio=2:1 of the maximum axial open height h3 and protruding parts maximum axial height h1 of the helix type groove 23；
The radial depth t2 of the helix type groove 23 and the radial direction in minimum point to flange portion cylindrical side 22 on flange portion bottom surface 21
The ratio of distance t1 is equal to 2:1, and the groove depth of the link slot 24 and the radial depth t2 of helix type groove 23 are equal.
The axial height h2 of minimum point and flange portion 2 be most in the minimum point to flange portion bottom surface 21 of the helix type groove 23
The ratio of big thickness is equal to 1:3.
Elastic rubber or marine glue are filled in the helix type groove 23.
Equipped with the locking flange face bolt and flange common on the market in the present embodiment on two same connectors
The size of face bolt, the two is consistent, under same operating after a period of work, it is found that flange face bolt common on the market has
It loosens, and the locking flange face bolt in the present embodiment is still in gripping orientation.Flange face bolt is removed, is connected with common on the market
Flange face bolt connected piece surface on have apparent scratch, and have conquassation phenomenon, and be connected with locking method in the present embodiment
Without obvious scratch and conquassation phenomenon on the connected piece surface of blue face bolt.
Claims (10)
1. a kind of locking flange face bolt, including bolt head (1), bolt shank (3) and it is connected to the screw head (1)
Flange portion (2) between the bolt shank (3), the one side of the flange portion (2) towards bolt shank (3) are flange portion bottom
Face (21), the one side being connected in the flange portion (2) with flange portion bottom surface (21) are flange portion cylindrical surface (22), the method
Blue face bottom surface (21) is inner concave, is downwardly projected at flange portion cylindrical surface (22) on the flange portion bottom surface (21), special
Sign is: the flange portion cylindrical surface (22) is equipped with circle helix type groove (23), goes back on the flange portion cylindrical surface (22)
Equipped with link slot (24), the link slot (24) one end is communicated with flange portion bottom surface (21), the other end and helix type groove
(23) axial most significant end is connected on, is connected in the middle part of axial least significant end and link slot (24) on the helix type groove (23).
2. a kind of locking flange face bolt according to claim 1, it is characterised in that: the spiral shell of the helix type groove (23)
Away from and flange portion (2) thickness ratio=1:20~1:4.
3. a kind of locking flange face bolt according to claim 1, it is characterised in that: the axis of the helix type groove (23)
It is V-shaped or U-shaped to section.
4. a kind of locking flange face bolt according to claim 1, it is characterised in that: the helix type groove (23) is most
Ratio=1.5:1~2.5:1 of big axially open height (h3) and protruding parts maximum axial height (h1).
5. a kind of locking flange face bolt according to claim 1, it is characterised in that: the diameter of the helix type groove (23)
Ratio=2:1 of radial distance (t1) on depth (t2) and flange portion bottom surface (21) in minimum point to flange portion cylindrical surface (22)
~3:1.
6. a kind of locking flange face bolt according to claim 5, it is characterised in that: the groove depth of the link slot (24) with
The radial depth (t2) of helix type groove (23) is equal.
7. a kind of locking flange face bolt according to claim 1, it is characterised in that: the helix type groove (23) is most
Ratio=1:10~1:2 of the axial height (h2) of minimum point and flange portion (2) thickness on low spot to flange portion bottom surface (21).
8. a kind of locking flange face bolt according to claim 1, it is characterised in that: the groove width of the link slot (24) with
Ratio=1:15~the 1:10 of flange portion (2) diameter.
9. a kind of locking flange face bolt according to claim 1, it is characterised in that: the flange portion bottom surface (21) point
For two parts, wherein being circular conical surface close to the part of bolt shank (3), the part close to flange portion cylindrical surface (22) is spiral
Face, it is flat close to the part of flange portion cylindrical surface (22) and the central axes of helix type groove (23) on the flange portion bottom surface (21)
Row.
10. a kind of locking flange face bolt according to claim 1, it is characterised in that: the helix type groove (23)
It is interior to be filled with elastic rubber or marine glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634693.2A CN110439912A (en) | 2019-07-15 | 2019-07-15 | A kind of locking flange face bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634693.2A CN110439912A (en) | 2019-07-15 | 2019-07-15 | A kind of locking flange face bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110439912A true CN110439912A (en) | 2019-11-12 |
Family
ID=68430422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910634693.2A Pending CN110439912A (en) | 2019-07-15 | 2019-07-15 | A kind of locking flange face bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110439912A (en) |
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|---|---|---|---|---|
| CN2168981Y (en) * | 1993-10-06 | 1994-06-15 | 李庆杰 | Self locking bolt |
| CN204253562U (en) * | 2014-11-18 | 2015-04-08 | 南京骏威科技有限公司 | Two slot flange that cuts stops loose nut |
| CN204921633U (en) * | 2015-09-08 | 2015-12-30 | 上海格姆特紧固技术有限公司 | Horizontal cut groove tire nut of flange face |
| CN106351936A (en) * | 2016-11-25 | 2017-01-25 | 江苏金鼎钢结构有限公司 | Axially compressed looseproof fastening device |
| CN207762109U (en) * | 2018-01-26 | 2018-08-24 | 浙江格力威机械股份有限公司 | A kind of flange face bolt |
| CN108533595A (en) * | 2018-06-29 | 2018-09-14 | 泰达重工机械（青岛）有限公司 | A kind of stop nut and its manufacturing method |
| CN109083913A (en) * | 2018-09-14 | 2018-12-25 | 山东蓬翔汽车有限公司 | A kind of anti-loose lock nut structure and nut check anti-loose method |
| CN109356923A (en) * | 2018-12-07 | 2019-02-19 | 东风商用车有限公司 | A kind of flange face bolt |
| CN210484358U (en) * | 2019-07-15 | 2020-05-08 | 东风商用车有限公司 | Anti-loosening flange bolt |
-
2019
- 2019-07-15 CN CN201910634693.2A patent/CN110439912A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168981Y (en) * | 1993-10-06 | 1994-06-15 | 李庆杰 | Self locking bolt |
| CN204253562U (en) * | 2014-11-18 | 2015-04-08 | 南京骏威科技有限公司 | Two slot flange that cuts stops loose nut |
| CN204921633U (en) * | 2015-09-08 | 2015-12-30 | 上海格姆特紧固技术有限公司 | Horizontal cut groove tire nut of flange face |
| CN106351936A (en) * | 2016-11-25 | 2017-01-25 | 江苏金鼎钢结构有限公司 | Axially compressed looseproof fastening device |
| CN207762109U (en) * | 2018-01-26 | 2018-08-24 | 浙江格力威机械股份有限公司 | A kind of flange face bolt |
| CN108533595A (en) * | 2018-06-29 | 2018-09-14 | 泰达重工机械（青岛）有限公司 | A kind of stop nut and its manufacturing method |
| CN109083913A (en) * | 2018-09-14 | 2018-12-25 | 山东蓬翔汽车有限公司 | A kind of anti-loose lock nut structure and nut check anti-loose method |
| CN109356923A (en) * | 2018-12-07 | 2019-02-19 | 东风商用车有限公司 | A kind of flange face bolt |
| CN210484358U (en) * | 2019-07-15 | 2020-05-08 | 东风商用车有限公司 | Anti-loosening flange bolt |
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