CN107725556A - A kind of bolt of adjustable-length - Google Patents
A kind of bolt of adjustable-length Download PDFInfo
- Publication number
- CN107725556A CN107725556A CN201711083208.4A CN201711083208A CN107725556A CN 107725556 A CN107725556 A CN 107725556A CN 201711083208 A CN201711083208 A CN 201711083208A CN 107725556 A CN107725556 A CN 107725556A
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- Prior art keywords
- block
- fixed block
- spring
- governor motion
- regulating
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- 230000033001 locomotion Effects 0.000 claims abstract description 77
- 125000003003 spiro group Chemical group 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 121
- 239000007787 solid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 10
- 230000000994 depressogenic effect Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Transmission Devices (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention belongs to bolt technical field, a kind of more particularly to bolt of adjustable-length, it includes spiro rod cap, screw rod, swivel nut, nut, governor motion chamber, the first fixed block, the second fixed block, the 3rd fixed block, wherein when nut is entered during swivel nut by thread fiting mode, nut can push press strip toward governor motion chamber, and governor motion is triggered；Now governor motion is engaged the one kind for realizing six kinds of adjustable-lengths with the first fixed block in screw slot, the second fixed block and the 3rd fixed block；Relative to traditional bolt technology, the present invention can be adapted to the connection of different workpieces by the approach of six kinds of adjustable bolt length, solve the problems, such as to need to change a variety of conventional bolts during different workpieces connection, indirectly reach the purpose for saving bolt material.Its is compact-sized, there is preferable practical function.
Description
Technical field
The invention belongs to bolt technical field, more particularly to a kind of bolt of adjustable-length.
Background technology
During connection for different-thickness workpiece at present, the bolt of different length can be selected according to the thickness of different workpieces
It is fixed.Under special circumstances, common model bolt can not be realized sometimes, and super thick workpiece is fixed；Or for not
During the connection of stack pile workpiece, it can not meet different-thickness workpiece is fixed because entrained bolt model is limited；
So just needing to design a kind of bolt that can adjust different length, reach and adapt to different-thickness workpiece purpose.
The present invention designs a kind of bolt of adjustable-length and solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of bolt of adjustable-length, and it is using following
Technical scheme is realized.
A kind of bolt of adjustable-length, it is characterised in that：It includes screw rod, swivel nut, screw thread, thread gap, governor motion
Chamber, slide block slot, Cavity surface tooth block, screw slot, the first fixed block, the second fixed block, the 3rd fixed block, wherein governor motion, screw rod
Periphery on be nested with swivel nut；There is screw thread on the periphery of swivel nut；Thread gap is cut with the periphery of swivel nut；Swivel nut
Governor motion chamber is cut with thread gap；Slide block slot is cut with the narrow Cavity surface of governor motion chamber interior side；Governor motion intracavitary
Six Cavity surface tooth blocks are respectively mounted in the wide Cavity surface in both sides in portion；Distribution is corresponded to about six 331 groups of Cavity surface tooth blocks and is located at wide chamber
Centre position on the upside of face；Six Cavity surface tooth blocks equidistantly distributed up and down；Governor motion is arranged in governor motion chamber；Screw rod
Periphery on cut with screw slot；First fixed block, the are equidistantly installed on groove face successively under the screw slot at screw rod end
Two fixed blocks and the 3rd fixed block；Governor motion and the first fixed block, the second fixed block and the 3rd fixed block coordinate.
Above-mentioned governor motion includes sliding block spring, sliding block, tooth block chamber, adjustable plate tooth block, press strip, secured adjusted block, first
Regulating block, the second regulating block, the 3rd regulating block, the first regulation spring, the second regulation spring, the 3rd regulation spring, adjustable plate, bullet
Spring circular groove, trapezoidal rails, trapezoidal slide block, wherein sliding block are located in slide block slot；Sliding block spring one end is arranged on sliding block, the other end
It is connected with adjustable plate；The upper surface of adjustable plate is provided with press strip；The lower surface of adjustable plate cuts with trapezoidal rails；Adjustable plate is close
There is secured adjusted block on the lower surface of sliding block spring；Tooth block chamber is cut with the both sides plate face of adjustable plate；Six adjustable plate teeth
Distribution is corresponded to about 331 groups of block and on the upside of the wide Cavity surface of tooth block chamber；Six adjustable plate tooth blocks equidistantly divide up and down
Cloth；Secured adjusted block cuts with spring circular groove on the end face of trapezoidal rails；First regulating block, the second regulating block and the 3rd regulation
The upper surface of block is respectively provided with trapezoidal slide block；First regulating block is arranged in trapezoidal rails by trapezoidal slide block；First regulation spring
One end be arranged on secured adjusted block spring circular groove in, the other end is connected with the first regulating block；First regulating block not connected the
Spring circular groove is cut with the end face of one regulation spring；Second regulating block is arranged in trapezoidal rails by trapezoidal slide block；Second adjusts
The one end for saving spring is arranged in the spring circular groove of the first regulating block, and the other end is connected with the second regulating block；3rd regulating block leads to
Trapezoidal slide block is crossed in trapezoidal rails；Spring circular groove is cut with the end face of the not connected first regulation spring of second regulating block；
One end of 3rd regulation spring is arranged in the spring circular groove of the second regulating block, and the other end is connected with the 3rd regulating block.
Secured adjusted block, the first regulating block, the second regulating block and the 3rd regulating block in above-mentioned governor motion can be with installations
The first fixed block, the second fixed block and the 3rd fixed block are engaged in screw slot；Installed in the Cavity surface of governor motion chamber both sides
Six pieces of Cavity surface tooth blocks are engaged with the six pieces of adjustable plate tooth blocks installed in the tooth block chamber Cavity surface of adjustable plate both sides.
As the further improvement of this technology, it also includes spiro rod cap, and the side of spiro rod cap is arranged on screw rod.
As the further improvement of this technology, it also includes nut, and nut is engaged with swivel nut.
As the further improvement of this technology, the above-mentioned first regulation spring, the second regulation spring and the 3rd regulation spring
Coefficient of elasticity all same.
As the further improvement of this technology, the size of above-mentioned six Cavity surface tooth blocks and six adjustable plate tooth blocks is identical, on
State that the first regulating block, the second regulating block and the 3rd regulation block size are identical, and above-mentioned first fixed block, the second fixed block and the 3rd are solid
Determine block size it is identical and between spacing it is identical, the spacing between above-mentioned first fixed block and the second fixed block is equal to the first regulating block
Length.
Being provided with the effect of the first fixed block, the second fixed block and the 3rd fixed block in the present invention in screw slot is and regulation
Structure is engaged to realize the adjustable length of bolt.The effect that thread gap is cut with swivel nut is that regulation is cut with thread gap
Mechanism chamber, is easily installed governor motion.The effect of press strip is provided with the upper surface of adjustable plate is：One side press strip is using wear-resisting
Material, mechanical wear of the nut to press strip can be prevented；On the other hand press strip can be pressed into tune when nut enters in swivel nut
Save in mechanism chamber, then governor motion can coordinates adjustment bolt length with the fixed block installed in screw slot.Governor motion
The six pieces of Cavity surface tooth blocks installed in the Cavity surface of chamber both sides and the six pieces of adjustable plate tooth block phases installed in the tooth block chamber Cavity surface of adjustable plate both sides
The effect of cooperation is after governor motion is depressed, can be radially spacing with swivel nut in pulling force of the bolt by nut.Sliding block
Slided in slide block slot, sliding block spring one end is arranged on sliding block, and the effect that the other end is connected with adjustable plate is governor motion
After being depressed, in pulling force of the bolt by nut, adjustable plate can move axially；Simultaneously after nut leaves bolt, in cunning
Governor motion can axially be resetted in the presence of block spring, governor motion can radially be resetted under the gravity of itself down,
Final adjustment mechanism returns to reset condition when not triggering.
In secured adjusted block, the first regulating block, the second regulating block and the 3rd regulating block and screw slot in governor motion
One fixed block, the second fixed block and the 3rd fixed block are engaged the approach for realizing six kinds of bolt adjustable-lengths：The first approach is
First fixed block, the second fixed block and the 3rd fixed block be respectively positioned on the 3rd regulating block be not connected with spring side, the first regulating block,
Second regulating block and the 3rd regulating block are compressed by bolt tension force, and now bolt belongs to most short length；Second of approach
Be the first fixed block between the second regulating block and the 3rd regulating block, the second fixed block and the 3rd fixed block are respectively positioned on the 3rd tune
Locking nub is not connected with the side of spring, and the first regulating block is compressed with the second regulating block by bolt tension force；The third approach is
For first fixed block between the first regulating block and the second regulating block, the second fixed block is located at the second regulating block and the 3rd regulating block
Between, the 3rd fixed block is located at the side that the 3rd regulating block is not connected with spring, and the first regulating block is compressed by bolt tension force；
4th kind of approach be the first fixed block between secured adjusted block and the first regulating block, the second fixed block is located at the first regulating block
Between the second regulating block, the 3rd fixed block is between the second regulating block and the 3rd regulating block；5th kind of approach is first solid
Determine block and be located at the side that secured adjusted block does not cut with spring circular groove, the second fixed block be located at secured adjusted block and the first regulating block it
Between, the 3rd fixed block is between the second regulating block and the 3rd regulating block；6th kind of approach is that the first fixed block and second are fixed
Block is respectively positioned on the side that secured adjusted block does not cut with spring circular groove, the 3rd fixed block be located at secured adjusted block and the first regulating block it
Between.In six kinds of approach that the present invention realizes, the bolt length difference of the first approach and the second approach is first fixed block length,
The bolt length of second approach and the 3rd approach difference is the bolt length of first fixed block length, the 3rd approach and the 4th approach
Degree difference is first fixed block length, and the bolt length difference of the 4th approach and the 5th approach is two the first fixed block lengths,
The bolt length of 5th approach and the 6th approach difference is two the first fixed block lengths.
During nut enters swivel nut by thread fiting mode, nut can push press strip toward governor motion chamber, adjust
Section mechanism is triggered；Now governor motion is engaged with the first fixed block in screw slot, the second fixed block and the 3rd fixed block
Realize one kind of six kinds of adjustable-lengths；In nut rundown process can give swivel nut and screw rod one pulling force, now governor motion to
The opposite direction movement of pulling force, sliding block spring are compressed；In this case installed in the governor motion chamber both sides Cavity surface after pushing
Six pieces of Cavity surface tooth blocks be engaged with the six pieces of adjustable plate tooth blocks installed in the tooth block chamber Cavity surface of adjustable plate both sides, reach spacing regulation
The effect of mechanism；After nut leaves bolt, governor motion can axially be resetted under the elastic force effect of sliding block spring, regulation
Mechanism can radially reset under the gravity of itself, and final adjustment mechanism returns to reset condition when not triggering.
Relative to traditional bolt technology, the present invention can adapt to different works by the approach of six kinds of adjustable bolt length
The connection of part, solve the problems, such as to need to change a variety of conventional bolts during different workpieces connection, indirectly reached saving bolt
The purpose of material.Its is compact-sized, there is preferable practical function.
Brief description of the drawings
Fig. 1 is bolt overall distribution schematic diagram.
Fig. 2 is bolt integral perspective schematic diagram.
Fig. 3 is swivel nut scheme of installation.
Fig. 4 is governor motion cavity configuration schematic diagram.
Fig. 5 is swivel nut diagrammatic cross-section.
Fig. 6 is governor motion and screw rod cooperation schematic diagram.
Fig. 7 is that governor motion coordinates perspective diagram with screw rod.
Fig. 8 is that governor motion coordinates diagrammatic cross-section with screw rod.
Fig. 9 is the first fixed block, the second fixed block and the 3rd fixed block scheme of installation.
Figure 10 is governor motion (one) schematic diagram.
Figure 11 is governor motion (two) schematic diagram.
Figure 12 is regulation plate structure schematic diagram.
Figure 13 is regulation harden structure perspective diagram.
Figure 14 is the first regulating block structural representation.
Figure 15 is the first regulation block structure perspective diagram.
Figure 16 is six kinds of adjustable-length schematic diagrams of bolt.
Figure 17 is that six Cavity surface tooth blocks and six adjustable plate tooth blocks coordinate schematic diagram.
Label title in figure：1st, spiro rod cap；2nd, screw rod；3rd, swivel nut；4th, screw thread；5th, nut；6th, thread gap；7th, machine is adjusted
Structure chamber；8th, slide block slot；9th, Cavity surface tooth block；10th, screw slot；11st, the first fixed block；12nd, the second fixed block；13rd, the 3rd fixed block；
14th, governor motion；15th, sliding block spring；16th, sliding block；17th, tooth block chamber；18th, adjustable plate tooth block；19th, press strip；20th, secured adjusted
Block；21st, the first regulating block；22nd, the second regulating block；23rd, the 3rd regulating block；24th, the first regulation spring；25th, the second regulation spring；
26th, the 3rd regulation spring；27th, adjustable plate；28th, spring circular groove；29th, trapezoidal rails；30th, trapezoidal slide block.
Embodiment
As shown in figure 1, it includes screw rod 2, swivel nut 3, screw thread 4, thread gap 6, governor motion chamber 7, slide block slot 8, Cavity surface
Tooth block 9, screw slot 10, the first fixed block 11, the second fixed block 12, the 3rd fixed block 13, governor motion 14, as shown in Figure 1, 2,
Swivel nut 3 is wherein nested with the periphery of screw rod 2；As shown in figure 3, there is screw thread 4 on the periphery of swivel nut 3；Swivel nut 3 it is cylindrical
Thread gap 6 is cut with face；As shown in figure 4, cut with governor motion chamber 7 in the thread gap 6 of swivel nut 3；As shown in figure 5, regulation
Slide block slot 8 is cut with the narrow Cavity surface of the interior side of mechanism chamber 7；Six are respectively mounted in the wide Cavity surface in both sides inside governor motion chamber 7
Cavity surface tooth block 9；Distribution is corresponded to about six 9 three three one groups of Cavity surface tooth blocks and positioned at centre position on the upside of wide Cavity surface；Six Cavity surfaces
The equidistantly distributed up and down of tooth block 9；Governor motion 14 is arranged in governor motion chamber 7；As shown in figure 9, the periphery of screw rod 2
On cut with screw slot 10；As shown in figure 8, it is solid to be equidistantly provided with first successively on 10 times groove faces of screw slot at the end of screw rod 2
Determine block 11, the second fixed block 12 and the 3rd fixed block 13；As shown in Figure 6,7, the fixed block 11, second of governor motion 14 and first is solid
Determine the fixed block 13 of block 12 and the 3rd to coordinate.
As shown in Figure 10,11, above-mentioned governor motion 14 includes sliding block spring 15, sliding block 16, tooth block chamber 17, adjustable plate tooth block
18th, press strip 19, secured adjusted block 20, the first regulating block 21, the second regulating block 22, the 3rd regulating block 23, first regulation spring 24,
Second regulation spring the 25, the 3rd adjusts spring 26, adjustable plate 27, spring circular groove 28, trapezoidal rails 29, trapezoidal slide block 30, wherein
Sliding block 16 is located in slide block slot 8；As shown in Figure 10, the one end of sliding block spring 15 is arranged on sliding block 16, the other end and adjustable plate 27
It is connected；As shown in figure 11, the upper surface of adjustable plate 27 is provided with press strip 19；As shown in Figure 12,13, the lower surface of adjustable plate 27
Cut with trapezoidal rails 29；Adjustable plate 27 has secured adjusted block 20 on the lower surface of sliding block spring 15；The two of adjustable plate 27
Tooth block chamber 17 is cut with lateral plates；As shown in figure 11, distribution is corresponded to about six 18 331 groups of adjustable plate tooth blocks and is located at
On the upside of 17 wide Cavity surface of tooth block chamber；Six adjustable plate tooth blocks 18 equidistantly distributed up and down；As shown in figure 13, secured adjusted block 20
Spring circular groove 28 is cut with the end face of trapezoidal rails 29；It is shown as shown in Figure 14,15, the regulation of the first regulating block 21, second
The upper surface of the regulating block 23 of block 22 and the 3rd is respectively provided with trapezoidal slide block 30；As shown in Figure 10, the first regulating block 21 passes through trapezoidal cunning
Block 30 is arranged in trapezoidal rails 29；One end of first regulation spring 24 is arranged in the spring circular groove 28 of secured adjusted block 20,
The other end is connected with the first regulating block 21；Spring circular groove is cut with the end face of the not connected first regulation spring 24 of first regulating block 21
28；Second regulating block 22 is arranged in trapezoidal rails 29 by trapezoidal slide block 30；One end of second regulation spring 25 is arranged on the
In the spring circular groove 28 of one regulating block 21, the other end is connected with the second regulating block 22；3rd regulating block 23 passes through trapezoidal slide block 30
In trapezoidal rails 29；Spring circular groove 28 is cut with the end face of the not connected first regulation spring 24 of second regulating block 22；The
One end of three regulation springs 26 is arranged in the spring circular groove 28 of the second regulating block 22, and the other end is connected with the 3rd regulating block 23.
As shown in Figure 6,7, the secured adjusted block 20 in above-mentioned governor motion 14, the first regulating block 21, the second regulating block 22
And the 3rd regulating block 23 can with screw slot 10 first fixed block 11, the second fixed block 12 and the 3rd fixed block 13 match
Close；Installed on the six pieces of Cavity surface tooth blocks 9 and the Cavity surface of 27 both sides tooth block chamber of adjustable plate 17 installed in the both sides Cavity surface of governor motion chamber 7
Six pieces of adjustable plate tooth blocks 18 are engaged.
As shown in figure 1, it includes spiro rod cap 1, the side of spiro rod cap 1 is arranged on screw rod 2.
As shown in figure 1, it includes nut 5, nut 5 is engaged with swivel nut 3.
As shown in Figure 10, the first above-mentioned regulation spring 24, second adjusts the elasticity that spring 25 and the 3rd adjusts spring 26
Coefficient all same.
Embodiment：As shown in Fig. 5,10, the size phase of above-mentioned six Cavity surface teeth block 9 and six adjustable plate tooth blocks 18
Together, above-mentioned first regulating block 21, the second regulating block 22 are identical with the size of the 3rd regulating block 23, above-mentioned first fixed block 11, second
Fixed block 12 and the size of the 3rd fixed block 13 it is identical and between spacing it is identical, the above-mentioned fixed block 12 of first fixed block 11 and second it
Between spacing be equal to the first regulating block 21 length.
As shown in figure 9, the first fixed block 11 is installed, the second fixed block 12 and the 3rd is fixed in the present invention in screw slot 10
The effect of block 13 is engaged with adjustment structure to realize the adjustable length of bolt.Lacked as shown in figure 4, cutting with screw thread on swivel nut 3
The effect of mouth 6 is that governor motion chamber 7 is cut with thread gap 6, is easily installed governor motion 14.As shown in figure 11, adjustable plate
The effect of press strip 19 is provided with 27 upper surface is：One side press strip 19 uses high-abrasive material, and nut 5 can be prevented to press strip
19 mechanical wear；On the other hand press strip 19 can be pressed into when nut 5 enters in swivel nut 3 in governor motion chamber 7, then adjust
The section can of mechanism 14 coordinates adjustment bolt length with the fixed block installed in screw slot 10.In the both sides Cavity surface of governor motion chamber 7
What six pieces of Cavity surface tooth blocks 9 of installation were engaged with the six pieces of adjustable plate tooth blocks 18 installed in the Cavity surface of 27 both sides tooth block chamber of adjustable plate 17
Effect is after governor motion 14 is depressed, can be radially spacing with swivel nut 3 in pulling force of the bolt by nut 5.Such as Figure 11
Shown, sliding block 16 is slided in slide block slot 8, and the one end of sliding block spring 15 is arranged on sliding block 16, and the other end is connected with adjustable plate 27
The effect connect is after governor motion 14 is depressed, and in pulling force of the bolt by nut 5, adjustable plate 27 can move axially；Together
When after nut 5 leaves bolt, governor motion 14 can axially be resetted in the presence of sliding block spring 15, by governor motion 14
Can radially it be resetted under the gravity of itself down, final adjustment mechanism 14 returns to reset condition when not triggering.
Secured adjusted block 20, the first regulating block 21, the second regulating block 22 in governor motion 14 and the 3rd regulating block 23 with
First fixed block 11, the second fixed block 12 and the 3rd fixed block 13, which are engaged, in screw slot 10 realizes six kinds of bolt adjustable-lengths
Approach：As shown in (a) in Figure 16, the first approach is that the first fixed block 11, the second fixed block 12 and the 3rd fixed block 13 are equal
Be not connected with the side of spring positioned at the 3rd regulating block 23, the first regulating block 21, the second regulating block 22 and the 3rd regulating block 23 by
Bolt tension force and compressed, now bolt belongs to most short length；As shown in (b) in Figure 16, second of approach is first solid
Block 11 is determined between the second regulating block 22 and the 3rd regulating block 23, and the second fixed block 12 and the 3rd fixed block 13 are respectively positioned on the 3rd
Regulating block 23 is not connected with the side of spring, and the first regulating block 21 is compressed with the second regulating block 22 by bolt tension force；Such as figure
Shown in (c) in 16, the third approach be the first fixed block 11 between the first regulating block 21 and the second regulating block 22, second
For fixed block 12 between the second regulating block 22 and the 3rd regulating block 23, it is not connected that the 3rd fixed block 13 is located at the 3rd regulating block 23
The side of spring, the first regulating block 21 are compressed by bolt tension force；As shown in (d) in Figure 16, the 4th kind of approach is
One fixed block 11 is located between the regulating block 21 of secured adjusted block 20 and first, and the second fixed block 12 is located at the first regulating block 21 and
Between two regulating blocks 22, the 3rd fixed block 13 is between the second regulating block 22 and the 3rd regulating block 23；Such as (e) institute in Figure 16
Show, the 5th kind of approach is that the first fixed block 11 is located at the side that secured adjusted block 20 does not cut with spring circular groove 28, the second fixed block
12 between the regulating block 21 of secured adjusted block 20 and first, and the 3rd fixed block 13 is located at the second regulating block 22 and the 3rd regulating block
Between 23；As shown in (f) in Figure 16, the 6th kind of approach is that the first fixed block 11 and the second fixed block 12 are respectively positioned on secured adjusted
Block 20 does not cut with the side of spring circular groove 28, and the 3rd fixed block 13 is located between the regulating block 21 of secured adjusted block 20 and first.This
To invent in the six kinds of approach realized, the bolt length difference of the first approach and the second approach is the length of the first fixed block 11, the
The bolt length of two approach and the 3rd approach difference is the bolt length of the length of the first fixed block 11, the 3rd approach and the 4th approach
Degree difference is the length of the first fixed block 11, and the bolt length difference of the 4th approach and the 5th approach is grown for two the first fixed blocks 11
The bolt length difference of degree, the 5th approach and the 6th approach is two length of the first fixed block 11.
In Figure 17 shown in (a), governor motion 14 is situation when not being depressed.When nut 5 passes through the side of cooperation of screw thread 4
Formula enters during swivel nut 3, and nut 5 can push press strip 19 toward governor motion chamber 7, and governor motion 14 is triggered, in Figure 17
(b) situation shown, that governor motion 14 radially moves when being and being depressed；Now the in governor motion 14 and screw slot 10
One fixed block 11, the second fixed block 12 and the 3rd fixed block 13 are engaged the one kind for realizing six kinds of adjustable-lengths.In Figure 17 (c)
Situation shown, that governor motion 14 axially moves when being depressed；Can be to swivel nut 3 and screw rod 2 one in the rundown process of nut 5
Individual pulling force, now governor motion 14 moved to the opposite direction of pulling force, sliding block spring 15 is compressed；In this case after pushing
Six installed on the six pieces of Cavity surface tooth blocks 9 and the Cavity surface of 27 both sides tooth block chamber of adjustable plate 17 installed in the both sides Cavity surface of governor motion chamber 7
Block adjustable plate tooth block 18 is engaged, and has the function that limit adjusting mechanism 14.After nut 5 leaves bolt, in sliding block spring 15
Elastic force effect it is lower can be by the axially reset of governor motion 14.Governor motion 14 can radially reset under the gravity of itself, most
Whole governor motion 14 returns to reset condition when not triggering.
In summary, the present invention can adapt to the connection of different workpieces, solution by the approach of six kinds of adjustable bolt length
The problem of different workpieces of having determined need to change a variety of conventional bolts when connecting, the purpose for saving bolt material is indirectly reached.
Its is compact-sized, there is preferable practical function.
Claims (5)
- A kind of 1. bolt of adjustable-length, it is characterised in that：It include screw rod, swivel nut, screw thread, thread gap, governor motion chamber, Outside slide block slot, Cavity surface tooth block, screw slot, the first fixed block, the second fixed block, the 3rd fixed block, governor motion, wherein screw rod Swivel nut is nested with disc；There is screw thread on the periphery of swivel nut；Thread gap is cut with the periphery of swivel nut；The screw thread of swivel nut Governor motion chamber is cut with breach；Slide block slot is cut with the narrow Cavity surface of governor motion chamber interior side；Governor motion intracavitary portion Six Cavity surface tooth blocks are respectively mounted in the wide Cavity surface in both sides；Distribution is corresponded to about six 331 groups of Cavity surface tooth blocks and in wide Cavity surface Side centre position；Six Cavity surface tooth blocks equidistantly distributed up and down；Governor motion is arranged in governor motion chamber；Outside screw rod Screw slot is cut with disc；First fixed block, second solid is equidistantly installed on groove face successively under the screw slot at screw rod end Determine block and the 3rd fixed block；Governor motion and the first fixed block, the second fixed block and the 3rd fixed block coordinate；Above-mentioned governor motion includes sliding block spring, sliding block, tooth block chamber, adjustable plate tooth block, press strip, secured adjusted block, the first regulation Block, the second regulating block, the 3rd regulating block, the first regulation spring, the second regulation spring, the 3rd regulation spring, adjustable plate, spring circle Groove, trapezoidal rails, trapezoidal slide block, wherein sliding block are located in slide block slot；Sliding block spring one end is arranged on sliding block, and the other end is with adjusting Section plate is connected；The upper surface of adjustable plate is provided with press strip；The lower surface of adjustable plate cuts with trapezoidal rails；Adjustable plate is close to sliding block There is secured adjusted block on the lower surface of spring；Tooth block chamber is cut with the both sides plate face of adjustable plate；Six adjustable plate tooth blocks three About 31 groups correspond to distribution and on the upside of the wide Cavity surface of tooth block chamber；Six adjustable plate tooth blocks equidistantly distributed up and down；Gu Locking nub of setting the tone cuts with spring circular groove on the end face of trapezoidal rails；First regulating block, the second regulating block and the 3rd regulating block Upper surface is respectively provided with trapezoidal slide block；First regulating block is arranged in trapezoidal rails by trapezoidal slide block；The one of first regulation spring In the spring circular groove of secured adjusted block, the other end is connected with the first regulating block at end；First regulating block not connected first is adjusted Save and cut with spring circular groove on the end face of spring；Second regulating block is arranged in trapezoidal rails by trapezoidal slide block；Second regulation bullet One end of spring is arranged in the spring circular groove of the first regulating block, and the other end is connected with the second regulating block；3rd regulating block passes through ladder Shape sliding block is arranged in trapezoidal rails；Spring circular groove is cut with the end face of the not connected first regulation spring of second regulating block；3rd The one end for adjusting spring is arranged in the spring circular groove of the second regulating block, and the other end is connected with the 3rd regulating block；Secured adjusted block, the first regulating block, the second regulating block and the 3rd regulating block in above-mentioned governor motion is with being arranged on screw rod The first fixed block, the second fixed block and the 3rd fixed block are engaged in groove；The six pieces of chambers installed in the Cavity surface of governor motion chamber both sides Face tooth block is engaged with the six pieces of adjustable plate tooth blocks installed in the tooth block chamber Cavity surface of adjustable plate both sides.
- A kind of 2. bolt of adjustable-length according to claim 1, it is characterised in that：It also includes spiro rod cap, spiro rod cap Side be arranged on screw rod on.
- A kind of 3. bolt of adjustable-length according to claim 1, it is characterised in that：It also includes nut, nut and spiral shell Set is engaged.
- A kind of 4. bolt of adjustable-length according to claim 1, it is characterised in that：Above-mentioned first regulation spring, the The coefficient of elasticity all same of two regulation springs and the 3rd regulation spring.
- A kind of 5. bolt of adjustable-length according to claim 1, it is characterised in that：Above-mentioned six Cavity surface tooth blocks and six The size of adjustable plate tooth block is identical, and above-mentioned first regulating block, the second regulating block and the 3rd regulation block size are identical, and above-mentioned first is solid Determine block, the second fixed block and the 3rd fixed block size it is identical and between spacing it is identical, above-mentioned first fixed block and the second fixed block Between spacing be equal to the first regulating block length.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083208.4A CN107725556A (en) | 2017-11-07 | 2017-11-07 | A kind of bolt of adjustable-length |
| CN201811080534.4A CN108980178B (en) | 2017-11-07 | 2018-09-17 | Bolt with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083208.4A CN107725556A (en) | 2017-11-07 | 2017-11-07 | A kind of bolt of adjustable-length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725556A true CN107725556A (en) | 2018-02-23 |
Family
ID=61221671
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083208.4A Pending CN107725556A (en) | 2017-11-07 | 2017-11-07 | A kind of bolt of adjustable-length |
| CN201811080534.4A Active CN108980178B (en) | 2017-11-07 | 2018-09-17 | Bolt with adjustable length |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080534.4A Active CN108980178B (en) | 2017-11-07 | 2018-09-17 | Bolt with adjustable length |
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| Country | Link |
|---|---|
| CN (2) | CN107725556A (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354788Y (en) * | 2009-03-02 | 2009-12-02 | 邵之洋 | Bolt capable of adjusting the length of threaded rod |
| KR20170040925A (en) * | 2015-10-06 | 2017-04-14 | 한국항공우주연구원 | Device for adjusting length |
| CN205401368U (en) * | 2016-02-26 | 2016-07-27 | 林学构 | Bolt of adjustable length |
| CN105972031A (en) * | 2016-05-31 | 2016-09-28 | 芜湖卓越空调零部件有限公司 | Adjustable fixing bolt |
| CN205977971U (en) * | 2016-07-18 | 2017-02-22 | 天津市天龙得冷成型部件有限公司 | Bolt with adjustable length |
| CN206221467U (en) * | 2016-10-15 | 2017-06-06 | 绍兴上虞华通螺丝有限公司 | A kind of length-adjustable bolt |
-
2017
- 2017-11-07 CN CN201711083208.4A patent/CN107725556A/en active Pending
-
2018
- 2018-09-17 CN CN201811080534.4A patent/CN108980178B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980178B (en) | 2020-06-05 |
| CN108980178A (en) | 2018-12-11 |
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Application publication date: 20180223 |