CN110332205A - A kind of stable type check bolt - Google Patents
A kind of stable type check bolt Download PDFInfo
- Publication number
- CN110332205A CN110332205A CN201910657926.0A CN201910657926A CN110332205A CN 110332205 A CN110332205 A CN 110332205A CN 201910657926 A CN201910657926 A CN 201910657926A CN 110332205 A CN110332205 A CN 110332205A
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- bolt
- compression bar
- wall
- limiting slot
- tabletting
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- 230000006835 compression Effects 0.000 claims abstract description 63
- 238000007906 compression Methods 0.000 claims abstract description 63
- 230000000694 effects Effects 0.000 claims abstract description 19
- 210000000056 organ Anatomy 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000008961 swelling Effects 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 108020004638 Circular DNA Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003172 anti-dna Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003381 stabilizer 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention provides a kind of stable type check bolts, belong to machanical fastener field.It solves the problems, such as that existing screw retention effect is poor.This stable type check bolt, including bolt head and shank of bolt, bolt head is round end shape, pressure hole is equipped in bolt head and shank of bolt, it further include the compression bar being through in pressure hole, it further include adjustment cap, adjustment cap includes the adjustable plate fixed with compression bar top and the adjusting set fixed with adjustable plate outer, adjusting set covers on bolt head, compression bar bottom end is fixed with briquetting, it further include the expansion gasket covered on compression bar, hole hole wall is pressed to be equipped with limiting slot, compression bar bar wall is equipped with the limited block for being slidably disposed in limiting slot, it is less than limiting slot both ends and pressure hole bottom end distance with pressure hole top distance in the middle part of limiting slot, it limits front of the slot and pressure hole top distance is greater than limiting slot rear end and pressure hole top distance, and it is seamlessly transitted in the middle part of limiting slot to both ends, flexible restoring organ is equipped between compression bar and shank of bolt.This screw retention effect is more preferable.
Description
Technical field
The invention belongs to machanical fastener technical fields, are related to a kind of stable type check bolt.
Background technique
The vibration of mechanical equipment will cause bolt falling to affect the normal operation of the equipment, and seriously affect the safety of equipment
And stability.In order to improve screw retention performance, gasket can be increased between bolt and connected piece, while high intensity tightens spiral shell
Bolt, its purpose is to improve external screw thread and internal screw thread frictional force, but under high intensity vibration, between external screw thread and internal screw thread also
It is that can gradually loosen, and high intensity tightens bolt and is also easy to cause connected piece surface slight deformation, simultaneously because each bolt
Intensity difference is tightened, therefore the deformation extent of connected piece surface everywhere is also different, connected piece can be accelerated under vibration cooperation
Shake then accelerates bolt looseness.
It is existing application No. is 201710183959.7, it is entitled " a kind of active intrusive mood bolt connection anti-loose structure and its
The Chinese invention patent of moulding process " forms clamping by the way that the anti-DNA releaxed circular DNA of elasticity is arranged between bolt light rod and connected piece
Structure loosens effect to play.But its thread pore structure for needing to change connected piece, it is uncomfortable for most of occasions
With, while directly locking and can not dismantle after its installation, it is also not suitable for needing the occasion of demolition and maintenance to use, and its installation process
Also cumbersome.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, providing one kind can guarantee each bolt spiral shell
It is identical to connect intensity, while anti-loosing effect is more preferable, versatility is higher, and uses very easily stable type check bolt.
Object of the invention can be realized by the following technical scheme: a kind of stable type check bolt, including bolt head and
Top is fixed on the external screw thread shank of bolt on bolt head, it is characterised in that: the bolt head is round end shape, the bolt head
With rod-shaped pressure hole is coaxially provided in shank of bolt, further include activity cooperation be threaded through pressure hole in round bar shape compression bar, further include adjust
Cap, adjustment cap include the fixed shell-like adjusting set of the adjustable plate and top inner wall and adjustable plate outer fixed with compression bar top,
The adjusting set inner wall is circle shell-like, and activity engagement sleeves, on bolt head, adjusting set outer wall is regular hexagon sleeve-like structure,
The compression bar bottom end is fixed with briquetting, further includes the rubber for covering on compression bar, and being pressed between briquetting and shank of bolt bottom end end face
Glue expands gasket, and expanding gasket periphery is the circle coaxial with compression bar, and the pressure hole hole wall is equipped with bar limit slot, compression bar
Bar wall is equipped with the limited block being slidably disposed in limiting slot, and the limiting slot middle part is less than limiting slot both ends with pressure hole top distance
With pressure hole bottom end distance, limit front of the slot and pressure hole top distance are greater than limiting slot rear end and pressure hole top distance, and limiting slot
The smooth transition of middle part to both ends is equipped with flexible restoring organ between the compression bar and shank of bolt, and resetting-mechanism drives compression bar,
So that limited block is located at limit front of the slot or rear end, and makes to expand outside the external screw thread that gasket outer peripheral diameter is less than or greater than on shank of bolt
Diameter, and adjustment cap can be rotated clockwise, and drive shank of bolt court clockwise to screw direction and rotate, and drive limited block from limiting slot
Front end is moved to rear end, can also rotate adjustment cap counterclockwise, and drives shank of bolt court counterclockwise to unscrew direction and rotate, and drive limit
Position block is moved to front end from limiting slot rear end.
This bolt only needs to rotate clockwise adjustment cap, and shank of bolt and connected piece can be tightened, and realizes anti-
Loose effect, it is only necessary to rotate adjustment cap counterclockwise, shank of bolt can be unscrewed with connected piece and be separated, therefore only need normal
Screw with unscrewing operation, use is very convenient；Adjustment cap is rotated clockwise, driving shank of bolt, court screws direction rotation clockwise
Turn, after shank of bolt is screwed with connected piece, the frictional force between internal screw thread and external screw thread is greater than the resistance that limited block is subject at this time
Power continues to rotate clockwise later adjustment cap, and limited block is moved to rear end from limit front of the slot, and expand gasket periphery be against by
On the internal screw thread of connector, it can not continue to rotate clockwise adjustment cap later, and the tilt angle and reset of limiting slot front half section
The elastic force collective effect of mechanism determines the resistance that limited block is subject to, to guarantee the intensity phase that is spirally connected after each bolt is tightened
Together, so as to make connected piece surface identical by deformation extent everywhere in being originally bolted, therefore anti-loosing effect is more preferable, and limits
During block is moved to middle part from limiting slot rear end, it can make to expand the internal screw thread that gasket periphery is pressed further by connected piece, from
And it is avoided that vibration causes compression bar to rotate, and can be according to various occasion needs, by the inclination angle for changing limiting slot front half section
The elastic force of degree and resetting-mechanism screws degree to change shank of bolt and connected piece, in brief, the inclination of limiting slot front half section
Angle determines the degree that screws of shank of bolt, and the position of limiting slot rear end determines expansion gasket compression degree；And this bolt without
The internal thread hole structure of connected piece need to be changed, versatility is higher.
In a kind of above-mentioned stable type check bolt, the expansion gasket includes two circular ring shapes covered on compression bar
Metal sheeting further includes the sheet rubber that top and bottom end are connected to two pieces of tabletting opposite sides, and sheet rubber both ends connect
On position of the tabletting close to periphery, and the outer male structure that sheet rubber middle bent Formation cross-section is in U-shape.
Therefore structure is simple, easy to make.
In a kind of above-mentioned stable type check bolt, the tabletting inner circumferential, which is respectively fixed with, to be actively set on compression bar
Pressing sleeve, and pressing sleeve is fixed on two pieces of opposite sides of tabletting, and when two pressing sleeves offset, expansion gasket outer peripheral diameter is greater than spiral shell
Major diameter of external thread on tightening latch.
Make to expand gasket stabilizer on compression bar by pressing sleeve, to make to expand gasket periphery expansion or shrinkage degree everywhere
It is identical.
In a kind of above-mentioned stable type check bolt, the resetting-mechanism is to cover on two pressing sleeves, and both ends are divided
The reset spring or resetting-mechanism not offseted with two pieces of tablettings are the elastic slice being located in two pieces of tablettings, and elastic slice is tabletting
One is cut and is bent to form towards relative direction, and the elastic slice in two tablettings is against another opposite tabletting side respectively
On.
Therefore the specific structure of resetting-mechanism can be selected according to the actual situation.
In a kind of above-mentioned stable type check bolt, the compression bar and briquetting are structure as a whole, further include top with
The co-axially fixed shell-like connector sleeve in adjustable plate bottom surface, connector sleeve outer wall is the circle sleeve-like structure with pressure hole hole wall cooperation, and presses hole
On connector sleeve outer wall, the limiting slot is located on the pressure hole hole wall that connector sleeve outer wall is affixed top hole wall engagement sleeves, described
Compression bar top bar wall be coaxially provided with link slot, connector sleeve inner wall and connection groove groove wall are mutually matched regular polygon shell-like knot
Structure, and connector sleeve engagement sleeves, on link slot, link slot is arranged radially cotter way along compression bar equipped with several, and cooperation is embedding in cotter way
There is pin rod, the compressed spring that both ends offset with pin rod rear end and cotter way slot bottom respectively, the company are additionally provided in the cotter way
Female connector bottom end end face and inner wall intersection are circular slanting planar guide surface, are additionally provided with pin hole on the connector sleeve, and described
Pin rod outer end is entered in pin hole by guide surface, and compression bar is fixed with connector sleeve, and the compressed spring pushes pin rod, makes pin rod
Outer end forms the limited block being slidably disposed on limiting slot.
Therefore this bolt arrangement is reasonable, assembles very convenient, it is only necessary to which each components, which are successively carried out socket, to fill
This bolt themselves loose is then avoided to damage there is no being threadedly coupled with completion, and in this bolt assembling process.
In a kind of above-mentioned stable type check bolt, the elastic slice is along tabletting radial cuts, and several elastic slices are along pressure
Piece is circumferentially uniformly distributed, and the elastic slice end in one piece of tabletting is obliquely installed towards tabletting inner circumferential, and the elastic slice end in another piece of tabletting is towards pressure
Piece periphery is obliquely installed, and the elastic slice in two pieces of tablettings is spaced apart in tabletting circumferential misalignment.
Therefore it can be further improved expansion block tablet stability.
In a kind of above-mentioned stable type check bolt, the compression bar bottom end bar wall is regular polygon rod-like structure, and
The pressing sleeve inner wall is regular polygon sleeve-like structure of the engagement sleeves in compression bar bottom end bar wall.
Therefore avoid two pressure plates relative rotation, cause sheet rubber be torn or elastic slice dislocation.
In a kind of above-mentioned stable type check bolt, the connector sleeve, adjustable plate and adjusting set are structure as a whole.
Compared with prior art, the present invention has the advantage that
1, this bolt only needs to rotate clockwise adjustment cap, and shank of bolt and connected piece can be tightened, and realizes
Anti-loosing effect, it is only necessary to rotate adjustment cap counterclockwise, shank of bolt can be unscrewed with connected piece and be separated, therefore only need normal
Screw with unscrewing operation, use is very convenient；
2, adjustment cap is rotated clockwise, drives shank of bolt court clockwise to screw direction and rotates, when shank of bolt and connected piece
After screwing, the frictional force between internal screw thread and external screw thread is greater than the resistance that limited block is subject at this time, continues to rotate clockwise later
Adjustment cap, limited block are moved to rear end from limit front of the slot, and expand gasket periphery and be against on the internal screw thread of connected piece, later
It can not continue to rotate clockwise adjustment cap, and the tilt angle of limiting slot front half section and the elastic force collective effect of resetting-mechanism determine
The resistance that limited block is subject to, to guarantee that the intensity that is spirally connected after each bolt is tightened is identical, to keep connected piece surface logical
It is identical to cross deformation extent everywhere in being originally bolted, therefore anti-loosing effect is more preferable, and during limited block is moved to from limiting slot rear end
During portion, expansion gasket periphery can be made to be pressed further by the internal screw thread of connected piece, to be avoided that vibration causes compression bar to turn
It is dynamic, and can be according to various occasion needs, by changing the tilt angle of limiting slot front half section and the elastic force of resetting-mechanism, to change
Become shank of bolt and connected piece screws degree, in brief, the tilt angle of limiting slot front half section determines screwing for shank of bolt
Degree, the position of limiting slot rear end determine expansion gasket compression degree；
3 and this bolt be not necessarily to change the internal thread hole structure of connected piece, versatility is higher.
Detailed description of the invention
Fig. 1 is this bolt tightening state cross-sectional view.
Fig. 2 and Fig. 3 is the partial enlarged view of Fig. 1 respectively.
Fig. 4 is Fig. 1 state lower limit slot and limited block cooperation schematic diagram.
Fig. 5 is that this bolt unscrews state cross-sectional view.
Fig. 6 is the partial enlarged view of Fig. 5.
Fig. 7 is Fig. 5 state lower limit slot and limited block cooperation schematic diagram.
Fig. 8 and Fig. 9 is the schematic diagram of two pieces of tablettings respectively.
In figure,
1, bolt head；11, shank of bolt；12, hole is pressed；13, limiting slot；
2, compression bar；21, briquetting；22, limited block；23, link slot；24, cotter way；25, pin rod；26, compressed spring；
3, adjustment cap；31, adjustable plate；32, adjusting set；33, connector sleeve；34, pin hole；
4, gasket is expanded；41, tabletting；42, sheet rubber；43, pressing sleeve；44, elastic slice.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in figs 1-9, a kind of stable type check bolt of the present invention, including bolt head 1 and top are fixed on bolt head 1
External screw thread shank of bolt 11, bolt head 1 is round end shape, is coaxially provided with rod-shaped pressure hole 12 in bolt head 1 and shank of bolt 11, further includes
Activity cooperation is threaded through the round bar shape compression bar 2 in pressure hole 12, further includes adjustment cap 3, adjustment cap 3 includes fixing with 2 top of compression bar
The fixed shell-like adjusting set 32 of adjustable plate 31 and top inner wall and 31 outer of adjustable plate, 32 inner wall of adjusting set is circle shell-like,
And activity engagement sleeves, on bolt head 1,32 outer wall of adjusting set is regular hexagon sleeve-like structure, 2 bottom end of compression bar is fixed with briquetting 21,
It further include the rubber swelling gasket 4 for covering on compression bar 2, and being pressed between 11 bottom end end face of briquetting 21 and shank of bolt, and expansion block
4 periphery of piece is the circle coaxial with compression bar 2, and pressure 12 hole wall of hole is equipped with bar limit slot 13, and 2 bar wall of compression bar is equipped with and is slidably disposed in limit
Limited block 22 in the slot 13 of position, the middle part of limiting slot 13 and pressure 12 top of hole distance be less than 13 both ends of limiting slot and pressure 12 bottom end of hole away from
From 13 front end of limiting slot and pressure 12 top of hole distance are greater than 13 rear end of limiting slot and pressure 12 top distance of hole, and in limiting slot 13
The smooth transition of portion to both ends is equipped with flexible restoring organ between compression bar 2 and shank of bolt 11, and resetting-mechanism drives compression bar 2, makes to limit
Position block 22 is located at 13 front end of limiting slot or rear end, and makes to expand the outer spiral shell that 4 outer peripheral diameter of gasket is less than or greater than on shank of bolt 11
Line outer diameter, and adjustment cap 3 can be rotated clockwise, and drive the court clockwise of shank of bolt 11 to screw direction and rotate, and drive limited block
22 are moved to rear end from 13 front end of limiting slot, can also rotate adjustment cap 3 counterclockwise, and drive shank of bolt 11 counterclockwise towards the side of unscrewing
To rotation, and limited block 22 is driven to be moved to front end from 13 rear end of limiting slot.
Further, expansion gasket 4 include two circular ring metal tablettings 41 covered on compression bar 2, further include top and
Bottom end is connected to the sheet rubber 42 of two pieces of 41 opposite sides of tabletting, and 42 both ends of sheet rubber are connected to tabletting 41 close to periphery
Position on, and the outer male structure that 42 middle bent Formation cross-section of sheet rubber is in U-shape.41 inner circumferential of tabletting is respectively fixed with movable sleeve
Pressing sleeve 43 on compression bar 2, and pressing sleeve 43 is fixed on two pieces of opposite sides of tabletting 41, and when two pressing sleeves 43 offset, it is swollen
Swollen 4 outer peripheral diameter of gasket is greater than the major diameter of external thread on shank of bolt 11.Resetting-mechanism is to cover on two pressing sleeves 43, and both ends are divided
The reset spring or resetting-mechanism not offseted with two pieces of tablettings 41 are the elastic slice 44 being located in two pieces of tablettings 41, and elastic slice
44 cut for the one of tabletting 41 and are bent to form towards relative direction, and the elastic slice 44 in two tablettings 41 be against respectively it is opposite another
On one 41 side of tabletting.Compression bar 2 and briquetting 21 are structure as a whole, and further include top and the co-axially fixed set in 31 bottom surface of adjustable plate
Shape connector sleeve 33,33 outer wall of connector sleeve is the circle sleeve-like structure with pressure 12 hole wall of hole cooperation, and presses 12 top hole wall engagement sleeves of hole
On 33 outer wall of connector sleeve, limiting slot 13 is located on 12 hole wall of pressure hole that 33 outer wall of connector sleeve is affixed, and 2 top bar wall of compression bar is coaxial
Equipped with link slot 23,33 inner wall of connector sleeve and 23 cell wall of link slot are mutually matched regular polygon sleeve-like structure, and connector sleeve
33 engagement sleeves are on link slot 23, and link slot 23 is arranged radially cotter way 24 along compression bar 2 equipped with several, and cooperation is embedding in cotter way 24
There is pin rod 25, the compressed spring 26 that both ends offset with 25 rear end of pin rod and 24 slot bottom of cotter way respectively is additionally provided in cotter way 24, connects
It covers 33 bottom end end faces and inner wall intersection is circular slanting planar guide surface, be additionally provided with pin hole 34 on connector sleeve 33, and outside pin rod 25
End is entered in pin hole 34 by guide surface, and compression bar 2 and connector sleeve 33 are fixed, and compressed spring 26 pushes pin rod 25, makes pin rod 25
Outer end forms the limited block 22 being slidably disposed on limiting slot 13.Elastic slice 44 is along 41 radial cuts of tabletting, and several elastic slices 44 are along pressure
Piece 41 is circumferential uniformly distributed, and 44 end of elastic slice in one piece of tabletting 41 is obliquely installed towards 41 inner circumferential of tabletting, the bullet in another piece of tabletting 41
44 end of piece is obliquely installed towards 41 periphery of tabletting, and the elastic slice 44 in two pieces of tablettings 41 is spaced apart in 41 circumferential misalignment of tabletting.
2 bottom end bar wall of compression bar is regular polygon rod-like structure, and 43 inner wall of pressing sleeve is regular polygon of the engagement sleeves in 2 bottom end bar wall of compression bar
Sleeve-like structure.Connector sleeve 33, adjustable plate 31 and adjusting set 32 are structure as a whole.
This bolt only needs to rotate clockwise adjustment cap 3, and shank of bolt 11 can be tightened with connected piece, and realizes
Anti-loosing effect, it is only necessary to which shank of bolt 11 can be unscrewed with connected piece and be separated, therefore only needed by rotation adjustment cap 3 counterclockwise
Normally screw with unscrewing operation, use is very convenient；Adjustment cap 3 is rotated clockwise, the court clockwise of shank of bolt 11 is driven
It screws direction to rotate, after shank of bolt 11 is screwed with connected piece, the frictional force between internal screw thread and external screw thread is greater than limit at this time
The resistance that position block 22 is subject to, continues to rotate clockwise adjustment cap 3 later, and limited block 22 is moved to rear end from 13 front end of limiting slot,
And expansion 4 periphery of gasket is against on the internal screw thread of connected piece, can not continue to rotate clockwise adjustment cap 3 later, and limiting slot
The tilt angle of 13 front half sections and the elastic force collective effect of resetting-mechanism determine the resistance that limited block 22 is subject to, to guarantee each
The intensity that is spirally connected after a bolt is tightened is identical, so that connected piece surface be made to pass through deformation extent phase everywhere in being originally bolted
Together, during therefore anti-loosing effect is more preferable, and limited block 22 is moved to middle part from 13 rear end of limiting slot, can make to expand outside gasket 4
The internal screw thread of connected piece is pressed further by week, to be avoided that vibration causes compression bar 2 to rotate, and can be according to various occasion need
It wants, by changing the tilt angle of 13 front half section of limiting slot and the elastic force of resetting-mechanism, to change shank of bolt 11 and connected piece
Degree is screwed, in brief, the tilt angle of 13 front half section of limiting slot determines the degree that screws of shank of bolt 11, after limiting slot 13
The position at end determines expansion 4 compression degree of gasket；And this bolt is not necessarily to change the internal thread hole structure of connected piece, versatility
It is higher.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although bolt head 1, shank of bolt 11, pressure hole 12, limiting slot 13, compression bar 2, briquetting 21, limit is used more herein
Position block 22, link slot 23, cotter way 24, pin rod 25, compressed spring 26, adjustment cap 3, adjustable plate 31, adjusting set 32, connector sleeve 33,
The terms such as pin hole 34, expansion gasket 4, tabletting 41, sheet rubber 42, pressing sleeve 43, elastic slice 44, but be not precluded using other terms
Possibility.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any
It is a kind of it is additional limitation be all to be disagreed with spirit of that invention.
Claims (8)
1. a kind of stable type check bolt is fixed on the external screw thread shank of bolt on bolt head (1) including bolt head (1) and top
(11), it is characterised in that: the bolt head (1) is round end shape, is coaxially provided in the bolt head (1) and shank of bolt (11)
Rod-shaped pressure hole (12) further includes the round bar shape compression bar (2) that activity cooperation is threaded through in pressure hole (12), further includes adjustment cap (3), adjusts
Section cap (3) includes the fixed set of the adjustable plate (31) and top inner wall and adjustable plate (31) outer fixed with compression bar (2) top
Shape adjusting set (32), the adjusting set (32) inner wall is circle shell-like, and activity engagement sleeves are on bolt head (1), adjusting set
(32) outer wall is regular hexagon sleeve-like structure, and it further includes covering in compression bar (2) that the compression bar (2) bottom end, which is fixed with briquetting (21),
On, and the rubber swelling gasket (4) being pressed between briquetting (21) and shank of bolt (11) bottom end end face, and expand gasket (4) periphery
For the circle coaxial with compression bar (2), pressure hole (12) hole wall is equipped with bar limit slot (13), and compression bar (2) bar wall, which is equipped with, to be slided
The dynamic limited block (22) in limiting slot (13), the limiting slot (13) middle part is less than with pressure hole (12) top distance to be limited
After slot (13) both ends and pressure hole (12) bottom end distance, limiting slot (13) front end and pressure hole (12) top distance are greater than limiting slot (13)
End and pressure hole (12) top distance, and seamlessly transitted in the middle part of limiting slot (13) to both ends, the compression bar (2) and shank of bolt (11)
Between be equipped with flexible restoring organ, and resetting-mechanism drive compression bar (2), make limited block (22) be located at limiting slot (13) front end or after
End, and make to expand the major diameter of external thread that gasket (4) outer peripheral diameter is less than or greater than on shank of bolt (11), and tune can be rotated clockwise
It saves cap (3), and drives shank of bolt (11) court clockwise to screw direction and rotate, and drive limited block (22) from limiting slot (13) front end
It is moved to rear end, can also be rotated counterclockwise adjustment cap (3), and drives shank of bolt (11) court counterclockwise to unscrew direction and rotates, and band
Dynamic limited block (22) are moved to front end from limiting slot (13) rear end.
2. a kind of stable type check bolt according to claim 1, it is characterised in that: the expansion gasket (4) includes
Two circular ring metal tablettings (41) covered on compression bar (2) further include that top and bottom end are connected to two pieces of tablettings (41)
The sheet rubber (42) of opposite side, and sheet rubber (42) both ends are connected to tabletting (41) on the position of periphery, and sheet rubber
(42) the outer male structure that middle bent Formation cross-section is in U-shape.
3. a kind of stable type check bolt according to claim 2, it is characterised in that: tabletting (41) the inner circumferential difference
It is fixed with the pressing sleeve (43) being actively set on compression bar (2), and pressing sleeve (43) is fixed on two pieces of opposite sides of tabletting (41), and works as
When two pressing sleeves (43) offset, expansion gasket (4) outer peripheral diameter is greater than the major diameter of external thread on shank of bolt (11).
4. a kind of stable type check bolt according to claim 3, it is characterised in that: the resetting-mechanism is to cover two
On a pressing sleeve (43), and the reset spring that offsets respectively with two pieces of tablettings (41) of both ends or resetting-mechanism are to be located at two pieces
Elastic slice (44) in tabletting (41), and elastic slice (44) is the cutting of tabletting (41) one and is bent to form towards relative direction, and two
Elastic slice (44) in tabletting (41) is against respectively on another opposite tabletting (41) side.
5. a kind of stable type check bolt according to claim 4, it is characterised in that: the compression bar (2) and briquetting
(21) it is structure as a whole, further includes top and the co-axially fixed shell-like connector sleeve (33) in adjustable plate (31) bottom surface, connector sleeve (33)
Outer wall is the circle sleeve-like structure with pressure hole (12) hole wall cooperation, and presses hole (12) top hole wall engagement sleeves in connector sleeve (33) outer wall
On, the limiting slot (13) is located on pressure hole (12) hole wall that connector sleeve (33) outer wall is affixed, the compression bar (2) top bar
Wall is coaxially provided with link slot (23), and connector sleeve (33) inner wall and link slot (23) cell wall are mutually matched regular polygon shell-like knot
Structure, and connector sleeve (33) engagement sleeves, on link slot (23), link slot (23) is arranged radially cotter way along compression bar (2) equipped with several
(24), and in cotter way (24) embedded with pin rod (25), the cotter way (24) is interior to be additionally provided with both ends respectively and after pin rod (25) for cooperation
The compressed spring (26) that end and cotter way (24) slot bottom offset, the connector sleeve (33) bottom end end face and inner wall intersection are annular
Inclined plane shape guide surface is additionally provided with pin hole (34) on the connector sleeve (33), and described pin rod (25) outer end passes through guide surface
In into pin hole (34), and compression bar (2) and connector sleeve (33) are fixed, and the compressed spring (26) pushes pin rod (25), make pin
Bar (25) outer end forms the limited block (22) being slidably disposed on limiting slot (13).
6. a kind of stable type check bolt according to claim 5, it is characterised in that: the elastic slice (44) is along tabletting
(41) radial cuts, and several elastic slices (44) are circumferentially uniformly distributed along tabletting (41), elastic slice (44) end court on one piece of tabletting (41)
Tabletting (41) inner circumferential is obliquely installed, and elastic slice (44) end on another piece of tabletting (41) is obliquely installed towards tabletting (41) periphery, and
Elastic slice (44) on two pieces of tablettings (41) is spaced apart in tabletting (41) circumferential misalignment.
7. a kind of stable type check bolt according to claim 6, it is characterised in that: compression bar (2) bottom end bar wall
For regular polygon rod-like structure, and pressing sleeve (43) inner wall is regular polygon set of the engagement sleeves in compression bar (2) bottom end bar wall
Shape structure.
8. a kind of stable type check bolt according to claim 7, it is characterised in that: the connector sleeve (33) is adjusted
Plate (31) and adjusting set (32) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657926.0A CN110332205B (en) | 2019-07-20 | 2019-07-20 | Stable form check bolt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657926.0A CN110332205B (en) | 2019-07-20 | 2019-07-20 | Stable form check bolt |
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| Publication Number | Publication Date |
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| CN110332205A true CN110332205A (en) | 2019-10-15 |
| CN110332205B CN110332205B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910657926.0A Active CN110332205B (en) | 2019-07-20 | 2019-07-20 | Stable form check bolt |
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| CN (1) | CN110332205B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111157094A (en) * | 2020-01-17 | 2020-05-15 | 徐州昊诺自动化科技有限公司 | Digital weighing sensor |
| CN111503123A (en) * | 2020-04-17 | 2020-08-07 | 温州智权工业设计有限公司 | Fast-assembly anti-drop nut structure and assembling method thereof |
| CN111503122A (en) * | 2020-04-17 | 2020-08-07 | 温州智权工业设计有限公司 | Universal nut and assembling method thereof |
| CN111536135A (en) * | 2020-05-05 | 2020-08-14 | 浦江县恒川信息科技有限公司 | Anti-slip nut and assembling method thereof |
| CN112081809A (en) * | 2020-09-04 | 2020-12-15 | 浙江润锦汽车科技有限公司 | Transmission separation shifting fork supporting bolt with POE (polyolefin elastomer) ball head part and preparation method thereof |
| CN113047868A (en) * | 2021-04-01 | 2021-06-29 | 广西安盾交通科技有限公司 | Channel firm in installation |
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
| CN115163633A (en) * | 2022-07-19 | 2022-10-11 | 靖江市飞天紧固件制造有限公司 | Anti-loosening bolt structure |
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| CN112081809A (en) * | 2020-09-04 | 2020-12-15 | 浙江润锦汽车科技有限公司 | Transmission separation shifting fork supporting bolt with POE (polyolefin elastomer) ball head part and preparation method thereof |
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| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
| CN115163633A (en) * | 2022-07-19 | 2022-10-11 | 靖江市飞天紧固件制造有限公司 | Anti-loosening bolt structure |
| CN115163633B (en) * | 2022-07-19 | 2023-09-19 | 靖江市飞天紧固件制造有限公司 | Locking bolt structure that moves |
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