CN208900506U - A kind of fastener that fastening performance is strong - Google Patents
A kind of fastener that fastening performance is strong Download PDFInfo
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- CN208900506U CN208900506U CN201821736765.1U CN201821736765U CN208900506U CN 208900506 U CN208900506 U CN 208900506U CN 201821736765 U CN201821736765 U CN 201821736765U CN 208900506 U CN208900506 U CN 208900506U
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- screw rod
- nut
- fastener
- screw
- fastening performance
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Abstract
The utility model discloses a kind of fasteners that fastening performance is strong, including screw rod and nut, the screw rod includes the first screw rod and the second screw rod, second screw rod is fixed at the first screw end, first screw tip is provided with the nut, screw thread is provided on first screw rod and the second screw rod, elastic ring is stained with outside the screw thread of first screw rod top, first screw rod bottom is provided with a through-hole, the nut upper surface is provided with cross recess, the nut, first screw rod and the second screw rod outer surface are coated with one layer of oxidation-resistant coating.The utility model can improve traditional clamp device, vibration when being easy with machine work and the problem of separate, influence to produce, notably can also cause major accident.
Description
Technical field
The utility model belongs to machine components technical field more particularly to a kind of fastener that fastening performance is strong.
Background technique
Fastener is the general part being most widely used, and has incorporated the every aspect of human production life, appellation people
One of the basic living allowance of class production and living, it is not difficult to find out that, fastener plays in human survival and development in daily life
Increasingly important role, in daily life, people are often fixed object using clamp devices such as screws, spiral shell
Line connection be it is a kind of it is widely used removably is fixedly connected, usually by after two screw holes of screw bolt passes with nut
It is attached, achievees the purpose that be fixed between two boards, have many advantages, such as that structure is simple, connection is reliable, be convenient to mount and dismount,
It is a kind of mechanical connection manner common in people's daily life and production.
But common clamp device carrys out fixed object only according to the screw thread of itself, when screw bolt and nut is with machine work
Vibration can be easily separated, influence production progress, What is more can also cause major accident, cause unnecessary loss, if directly
It connects nut and bolt welding, then bolt can not be dismantled.
Summary of the invention
The purpose of this utility model is that: be directed to above-mentioned clamp device, be easy with machine work when vibration and separate,
The problem of influencing production, notably also causing major accident, the utility model provides a kind of fastener that fastening performance is strong.
The technical solution adopted in the utility model is as follows:
A kind of fastener that fastening performance is strong, including screw rod and nut, the screw rod include the first screw rod and second
Screw rod, second screw rod are fixed at the first screw end, and first screw tip is provided with the nut, and described
It is provided with screw thread on one screw rod and the second screw rod, elastic ring, first spiral shell are stained with outside the screw thread of first screw rod top
Bar bottom is provided with a through-hole, and the nut upper surface is provided with cross recess, the nut, the first screw rod and the second screw rod
Outer surface is coated with one layer of oxidation-resistant coating.
Working principle: it when the utility model is used, fastener is connect with by securing objects, will be adapted to the first screw rod
Hex nut connect with the first screw rod, then a U-iron pin is inserted into port, if during the work time with mechanical vibration
It moves and hex nut is caused to separate with screw rod, can hear the collision of nut and iron pin in time and then progress of finding the problem in time
Maintenance, while the hex nut being adapted to the second screw rod being connect with the second screw rod, further prevent hex nut and first
Screw rod loosens, and improves fastener and the fastening performance by securing objects, by being provided with cross recess in nut upper surface,
Convenient for the fixation and disassembly of fastener, by being coated with one layer of oxytolerant in nut, the first screw rod and the second screw rod outer surface
Changing coating can prevent it from corrosion or abrasion etc. occurs, to extend the service life of fastener, improve the security performance of fastener,
To not influence mechanical normal work.
Further, the nut outer surface is provided with elastic cushion.By being provided with elastic cushion in nut outer surface,
On the one hand fastener can be improved and by the leakproofness and tightness between securing objects, prevent to loosen, it on the other hand can be right
Phenomena such as nut plays a protective role, and prevents nut from corroding.
Further, the length of the elastic ring accounts for the 1/6~1/5 of first spiro rod length.By the way that elastic ring is arranged,
The frictional force that screw rod can be increased, effectively prevent screw bolt loosening.
Further, the length of second screw rod accounts for the 1/3~1/2 of first spiro rod length, second screw rod
Diameter account for the 1/2~2/3 of first screw diameter.By the way that the second screw rod of such size is arranged, can cooperate simultaneously another
Lesser nut is further fastened to by securing objects, when prevented also from nut loosening on the first screw rod, prevents the first spiral shell
Nut on bar is fallen, and the second nut can play fastening effect.
Further, the oxidation-resistant coating is PTFE coating.Screw rod can be further improved by coated with PTFE coating
Corrosion-resistant, high temperature resistant, abrasion resistance properties, improve the service life of fastener, the further screw rod that improves is to by securing objects
Fastening performance.
Further, first screw rod and the second screw end edge are rounded structure.Justified by setting
Corner structure can reduce fatigue behaviour when fastener does high-speed cruising together with by securing objects, drop stress concentration.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the fastener fastening performance of the utility model is strong and corrosion-resistant, wear-resistant, fixed and convenient disassembly uses the longevity
Life length；
2. on the one hand the utility model can be improved fastener and fastened by being provided with elastic cushion in nut outer surface
Leakproofness and tightness between object, prevent to loosen, and on the other hand can play a protective role to nut, prevent nut from sending out
It gets rusty phenomena such as losing；
3. the utility model can increase the frictional force of screw rod, effectively prevent screw bolt loosening by setting elastic ring；
4. the utility model can make the second screw rod while cooperate another lesser nut, to quilt by the second screw rod of setting
Securing objects further fasten, and when prevented also from nut loosening on the first screw rod, prevent the nut on the first screw rod from falling,
Second nut can play fastening effect；
5. the utility model can further improve screw rod, the corrosion-resistant of nut, high temperature resistant, resistance to by coated with PTFE coating
Polishing machine improves the service life of fastener, and the further screw rod that improves is to by the fastening performance of securing objects；
6. the utility model can reduce fastener and do high-speed cruising together with by securing objects by the way that rounded structure is arranged
Fatigue behaviour, drop stress concentration.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model fastener；
Fig. 2 is the structural schematic diagram of the utility model nut.
Appended drawing reference: 1- elastic cushion, 2- oxidation-resistant coating, 3- nut, 4- screw thread, 5- screw rod, the first screw rod of 501-,
The second screw rod of 502-, 6- elastic ring, 7- rounded structure, 8- cross recess.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1, Fig. 2 to the utility model.
Embodiment 1
A kind of fastener that fastening performance is strong, including screw rod 5 and nut 3, the screw rod 5 include the first screw rod 501 with
And second screw rod 502, second screw rod 502 are fixed at 501 end of the first screw rod, 501 top of the first screw rod is set
It is equipped with the nut 3, screw thread 4,501 top of the first screw rod are provided on first screw rod 501 and the second screw rod 502
It is stained with elastic ring 6 outside screw thread 4,501 bottom of the first screw rod is provided with a through-hole, and 3 upper surface of nut is provided with ten
Word groove 8, the nut 3, the first screw rod 501 and 502 outer surface of the second screw rod are coated with one layer of oxidation-resistant coating 2.
Working principle: when the utility model is used, fastener is connect with by securing objects, it will be with the first screw rod 501
The hex nut of adaptation is connect with the first screw rod 501, then by a U-iron pin be inserted into port in, if during the work time with
Mechanical vibration and cause hex nut to separate with screw rod 5, can hear that the collision of nut and iron pin is sent out in time in turn in time
Existing problem is overhauled, while the hex nut being adapted to the second screw rod 502 being connect with the second screw rod 502, further anti-
Only hex nut is loosened with the first screw rod 501, fastener and the fastening performance by securing objects is improved, by nut 3
Upper surface is provided with cross recess 8, convenient for the fixation and disassembly of fastener, by nut 3, the first screw rod 501 and second
502 outer surface of screw rod, which is coated with one layer of oxidation-resistant coating 2, can prevent it from corrosion or abrasion etc. occurs, to extend fastener
Service life improves the security performance of fastener, to not influence mechanical normal work.
Embodiment 2
On the basis of embodiment 1,3 outer surface of nut is provided with elastic cushion 1.By being set in 3 outer surface of nut
It is equipped with elastic cushion 1, fastener on the one hand can be improved and by the leakproofness and tightness between securing objects, prevents pine
It is dynamic, phenomena such as on the other hand can playing a protective role to nut 3, prevent nut 3 from corroding.
Embodiment 3
On the basis of embodiment 1, the length of the elastic ring 6 accounts for the 1/6~1/5 of 501 length of the first screw rod.It is logical
Setting elastic ring 6 is crossed, the frictional force of screw rod 5 can be increased, screw rod 5 is effectively prevent to loosen.
Embodiment 4
On the basis of embodiment 1, the length of second screw rod 502 accounts for the 1/3~1/ of 501 length of the first screw rod
2, the diameter of second screw rod 502 accounts for the 1/2~2/3 of 501 diameter of the first screw rod.By such size is arranged second
Screw rod 502 can cooperate another lesser nut simultaneously, further fasten to by securing objects, prevented also from the first screw rod 501
On nut loosening when, prevent the nut on the first screw rod 501 from falling, the second nut can play fastening effect.
Embodiment 5
On the basis of embodiment 1, the oxidation-resistant coating 2 is PTFE coating.It can be further by coated with PTFE coating
Raising the corrosion-resistant of screw rod 5, high temperature resistant, abrasion resistance properties, improve the service life of fastener, it is further to improve screw rod 5
To by the fastening performance of securing objects.
Embodiment 6
On the basis of embodiment 1, first screw rod 501 and second screw rod, 502 end edge are fillet
Structure 7.Fatigue behaviour when fastener does high-speed cruising together with by securing objects can be reduced by the way that rounded structure 7 is arranged, is dropped
Stress concentration.
Claims (6)
1. a kind of fastener that fastening performance is strong, including screw rod (5) and nut (3), which is characterized in that screw rod (5) packet
The first screw rod (501) and the second screw rod (502) are included, second screw rod (502) is fixed at the first screw rod (501) end
End, the first screw rod (501) top is provided with the nut (3), on first screw rod (501) and the second screw rod (502)
It is provided with screw thread (4), is stained with elastic ring (6) outside the first screw rod (501) top screw thread (4), first screw rod
(501) bottom is provided with a through-hole, and nut (3) upper surface is provided with cross recess (8), the nut (3), the first screw rod
(501) and the second screw rod (502) outer surface is coated with one layer of oxidation-resistant coating (2).
2. a kind of strong fastener of fastening performance according to claim 1, which is characterized in that nut (3) outer surface
It is provided with elastic cushion (1).
3. a kind of strong fastener of fastening performance according to claim 1, which is characterized in that the length of the elastic ring (6)
Degree accounts for the 1/6~1/5 of the first screw rod (501) length.
4. a kind of strong fastener of fastening performance according to claim 1, which is characterized in that second screw rod (502)
Length account for the 1/3~1/2 of the first screw rod (501) length, the diameter of second screw rod (502) accounts for first screw rod
(501) the 1/2~2/3 of diameter.
5. a kind of strong fastener of fastening performance according to claim 1, which is characterized in that the oxidation-resistant coating (2)
For PTFE coating.
6. a kind of strong fastener of fastening performance according to claim 1, which is characterized in that first screw rod (501)
And the second screw rod (502) end edge is rounded structure (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736765.1U CN208900506U (en) | 2018-10-25 | 2018-10-25 | A kind of fastener that fastening performance is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736765.1U CN208900506U (en) | 2018-10-25 | 2018-10-25 | A kind of fastener that fastening performance is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900506U true CN208900506U (en) | 2019-05-24 |
Family
ID=66576710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821736765.1U Active CN208900506U (en) | 2018-10-25 | 2018-10-25 | A kind of fastener that fastening performance is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208900506U (en) |
-
2018
- 2018-10-25 CN CN201821736765.1U patent/CN208900506U/en active Active
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