CN208519044U - A kind of unilateral bolt fastener - Google Patents
A kind of unilateral bolt fastener Download PDFInfo
- Publication number
- CN208519044U CN208519044U CN201820261718.XU CN201820261718U CN208519044U CN 208519044 U CN208519044 U CN 208519044U CN 201820261718 U CN201820261718 U CN 201820261718U CN 208519044 U CN208519044 U CN 208519044U
- Authority
- CN
- China
- Prior art keywords
- bolt
- test specimen
- lantern ring
- unilateral
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of unilateral bolt fasteners, including bolt, expansion lantern ring, tip lantern ring, eccentric washer, nut and fixed snap arm；The bolt is the unilateral bolt of round end, and shank of bolt is equipped with keyway；The eccentric washer outer ring is regular hexagon, and inner ring is circle, and inner ring is equipped with the step bolt with the keyway cooperation on shank of bolt；The shank of bolt is threaded, and keyway is opened in flank；The outer diameter of the tip lantern ring is less than the installation aperture of test specimen, and internal diameter is greater than shank of bolt outer diameter；During nut is tightened, the expansion lantern ring is supportted the installation aperture that the outer diameter for making to expand lantern ring greatly is more than test specimen by the taper tip of tip lantern ring, fixes snap arm at this time and blocks eccentric washer, to make eccentric washer that bolt be hindered to rotate with nut.The utility model can be realized unilateral implementation terminal operation, and using simply, antiskid effect is preferable, improves the fastening effect of bolt.
Description
Technical field
The utility model belongs to mechanical assembly technique field, and in particular to a kind of unilateral bolt fastener.
Background technique
It is big to the installation requirements amount of structural member connection fastening currently in mechanical erection field.The spiral shell being just commonly used
For bolt, when implementing connection terminal operation to component, staff needs simultaneously in the operation of component two sides, for unilateral peace
Dress mode is still not good implementation method.This method for fastening connection structure is simple and convenient to operate, carries, but is only applicable in
In opening section component, in certain special occasions, such as to closed cross-section member or inconvenience in other side operation
When component is attached fastening, it is not just available this common bolt and nut method for fastening connection.
Published related patents weaken the synthesis that excessive or bolt head stress point is very few, carries to shank of bolt
Mechanical property is unsatisfactory, is very limited in mechanical engineering installation application.Novel unilateral bolt fastener is many
The direction that mechanical engineering mounting technique personnel are continually striving to.
Utility model content
The purpose of this utility model is to design a kind of unilateral bolt fastener, can be realized unilateral implementation terminal operation, and
And use simple, raising antiskid effect and fastening effect.
To achieve the above object, the utility model proposes a kind of unilateral bolt fastener, including bolt, expansion lantern ring,
Tip lantern ring, eccentric washer, nut and fixed snap arm.The bolt is the unilateral bolt of round end, and shank of bolt is equipped with keyway；Institute
The tip lantern ring stated is equipped with taper tip.
The eccentric washer outer ring is regular hexagon, and inner ring is circle, and inner ring diameter is greater than shank of bolt outer diameter, and inner ring is set
There is step bolt, the keyway on shank of bolt and the step bolt cooperate；The fixation snap arm inner ring be and bias
The matched polygon in gasket outer ring；The shank of bolt is threaded, and the keyway is opened in flank, the step bolt
Length be greater than keyway depth.
A kind of unilateral bolt fastener is for fixing test specimen one and test specimen two, the test specimen one and test specimen
Two are equipped with mounting hole；The outer diameter of the tip lantern ring is less than the installation aperture of test specimen one and test specimen two, and internal diameter is greater than bolt
Bar outer diameter, when installation, tip lantern ring is placed in the mounting hole of test specimen one and test specimen two.It is described during nut is tightened
Expansion lantern ring supportted by taper tip big, making the outer diameter for expanding lantern ring is more than the installation aperture of test specimen one and test specimen two, fixing card
Arm blocks eccentric washer, to make eccentric washer that bolt be hindered to rotate with nut.
The beneficial effects of the utility model are: it is more than examination that expansion lantern ring, which is supportted the outer diameter for making to expand lantern ring greatly by taper tip,
The installation aperture of part one and test specimen two, plays unilateral fixed effect；Fixed snap arm blocks eccentric washer, so that eccentric washer be made to hinder
Hinder bolt to rotate with nut, obtains preferable antiskid effect.And simple and easy, manufacture easy to process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the part drawing of the utility model.
Fig. 3 is the installation pre-structure schematic diagram of the utility model.
Fig. 4 be the utility model installation after structural schematic diagram.
In figure: 1- bolt, 2- expand lantern ring, 3- tip lantern ring, 4- eccentric washer, 5- nut, the fixed snap arm of 6-, 7- examination
Part one, 8- test specimen two, 1-1- keyway, 3-1- taper tip, 4-1- step bolt.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, provided by the utility model is a kind of unilateral bolt fastener, including bolt 1, expansion lantern ring
2, tip lantern ring 3, eccentric washer 4, nut 5 and fixed snap arm 6.The bolt 1 is the unilateral bolt of round end, and shank of bolt is equipped with
Keyway 1-1；The tip lantern ring 3 is equipped with taper tip 3-1；4 outer ring of eccentric washer is regular hexagon, and inner ring is
Circle, inner ring diameter are greater than 1 bar outer diameter of bolt, and inner ring is equipped with step bolt 4-1, the keyway 1-1 on 1 bar of bolt with it is described
Step bolt 4-1 cooperation.
As shown in Figs 1-4,6 inner ring of fixation snap arm is and the matched polygon in 4 outer ring of eccentric washer；The spiral shell
1 bar of bolt is threaded, and the keyway 1-1 is opened in flank, and a kind of unilateral bolt fastener is for fixing test specimen 1
With test specimen 28, the test specimen 1 and test specimen 28 are equipped with mounting hole, and the length of the step bolt 4-1 is greater than key
The depth of slot 1-1；The outer diameter of the tip lantern ring 3 is less than the installation aperture of test specimen 1 and test specimen 28, and internal diameter is greater than bolt
Bar outer diameter, when installation, tip lantern ring 3 is placed in the mounting hole of test specimen 1 and test specimen 28.
As shown in figure 4, the expansion lantern ring 2 is supportted greatly by taper tip 3-1 during nut 5 is tightened, make swollen
The outer diameter of expansion set ring 2 is more than the installation aperture of test specimen 1 and test specimen 28, plays unilateral fixed effect；The fixation snap arm 6
Eccentric washer 4 is blocked, to make eccentric washer 4 that bolt 1 be hindered to rotate with nut 5, obtains preferable antiskid effect.
Finally it is noted that above embodiments are only to illustrate the technical solution of the utility model, rather than it is limited
System.For those skilled in the art, without departing from the principle of this utility model, it can also make
Several improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of unilateral bolt fastener, including bolt (1), expansion lantern ring (2), tip lantern ring (3), eccentric washer (4), nut
(5) and fixed snap arm (6), it is characterised in that: the bolt (1) is the unilateral bolt of round end, and shank of bolt is equipped with keyway (1-
1)；The tip lantern ring (3) is equipped with taper tip (3-1).
2. a kind of unilateral bolt fastener according to claim 1, it is characterised in that: described eccentric washer (4) outer ring
For regular hexagon, inner ring is circle, and inner ring diameter is greater than the outer diameter of bolt (1) bar, and inner ring is equipped with step bolt (4-1), spiral shell
Keyway (1-1) and the step bolt (4-1) on bolt (1) bar cooperate.
3. a kind of unilateral bolt fastener according to claim 1, it is characterised in that: described fixation snap arm (6) inner ring
For with the matched polygon in eccentric washer (4) outer ring.
4. a kind of unilateral bolt fastener according to claim 2, it is characterised in that: the bolt (1) is threaded, institute
The keyway (1-1) stated is opened in flank, and the length of the step bolt (4-1) is greater than the depth of keyway (1-1).
5. a kind of unilateral bolt fastener according to claim 1, it is characterised in that: a kind of unilateral bolt fastening
Part is for fixing test specimen one (7) and test specimen two (8), and the test specimen one (7) and test specimen two (8) are equipped with mounting hole, described
Tip lantern ring (3) outer diameter be less than test specimen one (7) and test specimen two (8) installation aperture, internal diameter be greater than shank of bolt outer diameter, install
When, tip lantern ring (3) is placed in the mounting hole of test specimen one (7) and test specimen two (8).
6. a kind of unilateral bolt fastener according to claim 5, it is characterised in that: in the process that nut (5) is tightened
In, it is more than test specimen one (7) and examination that the expansion lantern ring (2), which is supportted the outer diameter for making to expand lantern ring (2) greatly by taper tip (3-1),
The installation aperture of part two (8).
7. a kind of unilateral bolt fastener according to claim 1, it is characterised in that: in the process that nut (5) is tightened
In, the fixation snap arm (6) blocks eccentric washer (4), to make eccentric washer (4) that bolt (1) to be hindered to turn with nut (5)
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261718.XU CN208519044U (en) | 2018-02-05 | 2018-02-05 | A kind of unilateral bolt fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261718.XU CN208519044U (en) | 2018-02-05 | 2018-02-05 | A kind of unilateral bolt fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208519044U true CN208519044U (en) | 2019-02-19 |
Family
ID=65327380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820261718.XU Expired - Fee Related CN208519044U (en) | 2018-02-05 | 2018-02-05 | A kind of unilateral bolt fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208519044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936327A (en) * | 2019-11-27 | 2020-03-31 | 同济大学 | Thimble position adjustable unilateral bolt fastener mounting tool |
-
2018
- 2018-02-05 CN CN201820261718.XU patent/CN208519044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936327A (en) * | 2019-11-27 | 2020-03-31 | 同济大学 | Thimble position adjustable unilateral bolt fastener mounting tool |
| CN110936327B (en) * | 2019-11-27 | 2020-10-02 | 同济大学 | Thimble position adjustable unilateral bolt fastener mounting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 Termination date: 20200205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |