CN209354509U - Antivibration subassembly of lock bolt - Google Patents
Antivibration subassembly of lock bolt Download PDFInfo
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- CN209354509U CN209354509U CN201822237656.1U CN201822237656U CN209354509U CN 209354509 U CN209354509 U CN 209354509U CN 201822237656 U CN201822237656 U CN 201822237656U CN 209354509 U CN209354509 U CN 209354509U
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- gasket
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- fastening nut
- connecting cylinder
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Abstract
The utility model discloses a kind of antivibration subassembly of lock bolt, it includes bolt and fastening nut, the upper and lower end face of the fastening nut is respectively non-stress face and fastening nut stress surface, it is characterized in that, it further include the Upper gasket being meshed with fastening nut stress surface and a lower gasket matched with screw rod, the Upper gasket and lower gasket all cover on bolt, and Upper gasket close to lower gasket, lower gasket close to Upper gasket while be respectively equipped with a sleeve retainer and a connecting cylinder；Distinguish on the adjacent one end of sleeve retainer and connecting cylinder, sleeve retainer and connecting cylinder it is circumferentially-spaced be equipped with multiple interfaces and socket, one is respectively formed between every two adjacent interface and between every two adjacent socket and is matched the arc grafting block and an arc fixture block matched with interface saved with socket.The antivibration subassembly of lock bolt structure that the utility model obtains is simple, easy to use, and locking and anti-vibration effect is good.
Description
Technical field
The utility model relates to a kind of fasteners, and in particular to antivibration subassembly of lock bolt.
Background technique
Bolt and nut connection is the very common connecting mode of one kind in field of mechanical technique, automobile, aerospace,
The fields such as rail traffic and production equipment manufacture are very widely used.By high-strength impact load, high-intensitive alternating load
And in the working environment of high temperature variation, bolt and nut couples the problem of being produced from loosening.In the prior art, fastener
It is locking be typically all that rub locking and tension is locking, had a greatly reduced quality for a long time using the anti-loosening property of rear fastener, cause institute
The goods equipment of assembling, which easily falls apart, generates security risk.
In view of the above-mentioned problems, China State Intellectual Property Office was disclosed on May 11st, 2018, publication No. is
A kind of 207349247 antivibration check bolt nut fastener, including bolt, nut and locking pad, bolt head stress surface, nut
The groove being arranged radially, the groove of the locking pad being arranged radially are equipped on stress surface and locking at least one stress surface of pad
It is equal with the number for the groove being arranged radially of the bolt or nut and using when the groove that is arranged radially between be mutually twisted.On
Bolt and nut fastener is stated by the way that the groove being arranged radially is arranged on nut and locking pad, keeps nut stress surface and locking pad logical
The mode for crossing the engagement being arranged radially further fastens, and progress is locking, meanwhile, radial direction is also provided on bolt head stress surface
The groove of setting makes to be meshed between bolt head and check washer also by the groove being arranged radially to be fixed.Above-mentioned side
Formula can increase the vibrationproof anti-loosing effect of fastener to a certain extent, but between locking pad and screw rod, between locking pad still
There are certain gap, vibrationproof anti-loosing effect has to be strengthened.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of anti-
Vibration and anti-loosing effect are more preferable, and structure is simple, antivibration subassembly of lock bolt easy to use.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of antivibration subassembly of lock bolt, it includes bolt and fastening nut, and the bolt is made of screw rod and bolt head,
The upper and lower end face of the fastening nut is respectively non-stress face and fastening nut stress surface, and fastening nut be sleeved on the screw rod and with
Screw rod is connected through a screw thread fixation, which is characterized in that further includes the Upper gasket being meshed with fastening nut stress surface and one
A lower gasket matched with screw rod, the Upper gasket and lower gasket all cover on bolt, and in Upper gasket close to lower gasket
, lower gasket close to Upper gasket while be respectively equipped with a sleeve retainer and a connecting cylinder；In sleeve retainer and connection
It is circumferentially-spaced equipped with multiple interfaces and socket respectively on the adjacent one end of cylinder, sleeve retainer and connecting cylinder, it is every two adjacent
The arc grafting block of one with socket matching section are formed between interface, form one and grafting between every two adjacent socket
The arc fixture block that mouth matches.In this way, by the way that the sleeve retainer of Upper gasket and lower gasket and connecting cylinder to be mutually inserted, and will be tight
Gu nut is meshed with Upper gasket, the mode that lower gasket is matched with screw rod is fixed together, in this way, when being vibrated, no
But there are Upper gasket and lower gasket further to fasten, due to being mutually inserted between Upper gasket and lower gasket, and then even if in vibration
In the case of will not loosen.
Further, multiple grooves being arranged radially are equipped on fastening nut stress surface, in Upper gasket close to fastening spiral shell
Female one side is equipped with multiple tooth sockets being meshed with groove.In this way, can be by being arranged radially between Upper gasket and fastening nut
Engagement between groove and tooth socket is to carry out occlusion fixation, and the area of fixation is big by the way of tooth socket.
Further, it is equipped with one section of anti-slop serrations close to one end of bolt head in screw rod, connecting cylinder inner wall, company in lower gasket
Connect cylinder is equipped with the tooth connection that a circle is meshed with anti-slop serrations close to one end of bolt head.In this way, passing through between lower gasket and screw rod
The mode that tooth connection is meshed with anti-slop serrations is fixed, meanwhile, it is also fixed on by way of grafting between lower gasket and Upper gasket
Together, when by external force vibration, with dual fastening effect.
Further, the sleeve retainer and connecting cylinder are concentric with Upper gasket and lower gasket respectively.In this way it can be ensured that spiral shell
Bar, Upper gasket and lower gasket are coaxial.
Further, there are three interface and socket are all provided with, and interface and socket are respectively along sleeve retainer and connecting cylinder
It is circumferentially uniformly distributed, interface is consistent with longitudinal height of socket.In this way it can be ensured that each grafting of sleeve retainer and connecting cylinder
Place is equal by external force, and three interfaces are circumferentially uniformly distributed, and forms a firm triangle, can effectively improve loose-proof sleeve
Cylinder connected with connecting cylinder after stability.
Further, longitudinal height of interface and socket be at least sleeve retainer, connecting cylinder longitudinal direction height two/
One.In such manner, it is possible to which the bonding strength between sleeve retainer and connecting cylinder is effectively ensured.
It further, is inclined-plane at left and right sides of each arc grafting block and arc fixture block.In this way, arc grafting block and
It is behind inclined-plane at left and right sides of arc fixture block, connection area increases after grafting, and junction is not in gap, connects more tight
It is close.
Compared with prior art, the antivibration subassembly of lock bolt that the utility model obtains has the advantages that
1, screw rod is not only connected with fastening nut by screw thread, also passes through tooth socket between fastening nut and Upper gasket
Mode is fixed, and is fixed by way of tooth engagement between lower gasket and screw rod, passes through the side of grafting between Upper gasket and lower gasket
Formula is fixed together, so that fastener has multiple fastening locking measures, is able to bear bigger vibration, fastening effect is more preferable.
2, the connection between screw rod, fastening nut, Upper gasket and lower gasket is compact, and structure is simple, can promote on a large scale.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram of antivibration subassembly of lock bolt in embodiment；
Fig. 2 is the structural schematic diagram of bolt in embodiment；
Fig. 3 is the structural schematic diagram of lower gasket in embodiment；
Fig. 4 is the mounting structure schematic diagram of fastening nut, Upper gasket and lower gasket in embodiment.
In figure: bolt 1, screw rod 11, bolt head 12, anti-slop serrations 13, fastening nut 2, fastening nut stress surface 21, groove
22, Upper gasket 3, tooth socket 31, sleeve retainer 32, interface 33, arc grafting block 34, lower gasket 4, tooth connection 41, connecting cylinder 42,
Socket 43, arc fixture block 44.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment:
As Figure 1-Figure 4, antivibration subassembly of lock bolt provided in this embodiment, it includes bolt 1 and fastening nut 2,
The bolt 1 is made of screw rod 11 and bolt head 12, and the upper and lower end face of the fastening nut 2 is respectively non-stress face and fastening spiral shell
Female stress surface 21, and 2 sets of fastening nut are connected through a screw thread fixation on screw rod 11 and with screw rod 11, further include one and fastening
The Upper gasket 3 that nut stress surface 21 is meshed and the lower gasket 4 that one matches with screw rod 11, the Upper gasket 3 and lower gasket 4
It all covers on bolt 1, multiple grooves 22 being arranged radially is equipped on fastening nut stress surface 21, in Upper gasket 3 close to fastening
The one side of nut 2 is equipped with multiple tooth sockets 31 being meshed with the groove 22 being arranged radially, in screw rod 11 close to the one of bolt head 12
End is equipped with one section of anti-slop serrations 13, is equipped with one in 42 inner wall of connecting cylinder, the connecting cylinder 42 of lower gasket 4 close to one end of bolt head 12 and encloses
The tooth connection 41 being meshed with anti-slop serrations 13；In Upper gasket 3 close to the one side of lower gasket 4, lower gasket 4 close to the one of Upper gasket 3
Face is respectively equipped with one and its integrally formed sleeve retainer 32 and a connecting cylinder 42；In 42 phase of sleeve retainer 32 and connecting cylinder
It is circumferentially-spaced respectively on adjacent one end, sleeve retainer 32 and connecting cylinder 42 to be equipped with multiple interfaces 33 and socket 43, every two phase
The arc grafting block 34 of one with the matching section of socket 43, shape between every two adjacent socket 43 are formed between adjacent interface 33
The arc fixture block 44 matched at one with interface 33.
By 2 sets of fastening nut on screw rod 11 and after fastening, when component is vibrated by strong load or large magnitude, tightly
Gu the relaxation that nut 2 will certainly become has the tendency that rotating counterclockwise, since Upper gasket 3 and fastening nut 2 are intermeshed, fastening
When nut 2 rotates counterclockwise, the rotation counterclockwise together therewith of Upper gasket 3 certainly will be will drive.Meanwhile because of Upper gasket 3 and lower gasket 4
It is mutually inserted, the rotation counterclockwise therewith of lower gasket 4 will certainly be driven when Upper gasket 3 rotates counterclockwise, and lower gasket 4 is in screw rod
11 lower end insides with screw rod 11 be it is intermeshing, screw rod 11 can rotate counterclockwise at this time, but because fastening nut 2 has fastened,
Under powerful endogenetic process, screw rod 11 can be because fixed under the action of frictional force, to prevent the counterclockwise of fastening nut 2
Rotation guarantees anti-loosing effect, causes screw rod 11 to occur rotating counterclockwise if friction is small, at this time because of fastening nut 2 and spiral shell
The rotation of bar 11 is synchronous, keeps relatively locked state, can also achieve the purpose that locking.
As shown, above-mentioned sleeve retainer 32 and connecting cylinder 42 are concentric with Upper gasket 3 and lower gasket 4 respectively.Interface
33 and there are three socket 43 is all provided with, and interface 33 and socket 43 are circumferential uniformly point along sleeve retainer 32 and connecting cylinder 42 respectively
Longitudinal height of cloth, interface 33 and socket 43 is consistent.
In order to ensure the stability connected between Upper gasket 3 and lower gasket 4, longitudinal height of the interface 33 and socket 43
Degree is at least the half of sleeve retainer 32 and the longitudinal height of connecting cylinder 42.In the present embodiment, interface 33 is longitudinal high
Degree is 2/3rds of sleeve retainer 32.
In addition, in order to increase the bonding strength between sleeve retainer 32 and connecting cylinder 42, each arc grafting block 34 and arc
The left and right sides of shape fixture block 44 is inclined-plane.
Finally, it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, although applicant is described in detail the utility model referring to preferred embodiment, those skilled in the art
Should be appreciated that those, the technical solution of the present invention is modified or equivalently replaced, without departing from the technical program
Objective and range should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of antivibration subassembly of lock bolt, it includes bolt (1) and fastening nut (2), the bolt (1) by screw rod (11) and
Bolt head (12) composition, the upper and lower end face of the fastening nut (2) is respectively non-stress face and fastening nut stress surface (21), and
Fastening nut (2) covers on screw rod (11) and is connected through a screw thread fixation with screw rod (11), it is characterized in that, further including one
The Upper gasket (3) being meshed with fastening nut stress surface (21) and a lower gasket (4) matched with screw rod (11), it is described on
Gasket (3) and lower gasket (4) all cover on bolt (1), and in the one side of Upper gasket (3) close lower gasket (4), lower gasket (4)
It is respectively equipped with a sleeve retainer (32) and a connecting cylinder (42) on one side close to Upper gasket (3)；In sleeve retainer (32) and
Distinguish on the adjacent one end of connecting cylinder (42), sleeve retainer (32) and connecting cylinder (42) circumferentially-spaced equipped with multiple interfaces (33)
With socket (43), one is formed between every two adjacent interface (33) and is matched the arc grafting block saved with socket (43)
(34), an arc fixture block (44) matched with interface (33) is formed between every two adjacent socket (43).
2. antivibration subassembly of lock bolt according to claim 1, which is characterized in that set on fastening nut stress surface (21)
There are multiple grooves (22) being arranged radially, is equipped in the one side of Upper gasket (3) close to fastening nut (2) multiple with groove (22) phase
The tooth socket (31) of engagement.
3. antivibration subassembly of lock bolt according to claim 1, which is characterized in that in screw rod (11) close to bolt head (12)
One end be equipped with one section of anti-slop serrations (13), in connecting cylinder (42) inner walls of lower gasket (4), connecting cylinder (42) close to bolt head (12)
One end be equipped with the tooth connection (41) that is meshed with anti-slop serrations (13) of circle.
4. antivibration subassembly of lock bolt according to claim 2 or 3, which is characterized in that the sleeve retainer (32) and company
Connect cylinder (42) is concentric with Upper gasket (3) and lower gasket (4) respectively.
5. antivibration subassembly of lock bolt according to claim 2 or 3, which is characterized in that interface (33) and socket (43)
There are three being all provided with, and interface (33) and socket (43) are circumferentially uniformly distributed along sleeve retainer (32) and connecting cylinder (42) respectively,
Interface (33) is consistent with longitudinal height of socket (43).
6. antivibration subassembly of lock bolt according to claim 5, which is characterized in that interface (33) and socket (43) it is vertical
It is at least the half of sleeve retainer (32) and the longitudinal height of connecting cylinder (42) to height.
7. antivibration subassembly of lock bolt according to claim 5, which is characterized in that each arc grafting block (34) and arc
Fixture block is inclined-plane at left and right sides of (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237656.1U CN209354509U (en) | 2018-12-28 | 2018-12-28 | Antivibration subassembly of lock bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237656.1U CN209354509U (en) | 2018-12-28 | 2018-12-28 | Antivibration subassembly of lock bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354509U true CN209354509U (en) | 2019-09-06 |
Family
ID=67801118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822237656.1U Active CN209354509U (en) | 2018-12-28 | 2018-12-28 | Antivibration subassembly of lock bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608225A (en) * | 2019-10-31 | 2019-12-24 | 颜昌景 | Can realize from anti vibration check bolt subassembly of locking-type |
| CN113373791A (en) * | 2021-06-04 | 2021-09-10 | 华南理工大学 | Anti-pulling and non-shearing connecting piece and construction method |
-
2018
- 2018-12-28 CN CN201822237656.1U patent/CN209354509U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608225A (en) * | 2019-10-31 | 2019-12-24 | 颜昌景 | Can realize from anti vibration check bolt subassembly of locking-type |
| CN110608225B (en) * | 2019-10-31 | 2023-11-24 | 颜昌景 | Anti-vibration lockbolt assembly capable of realizing self-locking |
| CN113373791A (en) * | 2021-06-04 | 2021-09-10 | 华南理工大学 | Anti-pulling and non-shearing connecting piece and construction method |
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