CN205689543U - Novel six point type expansion bolts - Google Patents
Novel six point type expansion bolts Download PDFInfo
- Publication number
- CN205689543U CN205689543U CN201620517170.1U CN201620517170U CN205689543U CN 205689543 U CN205689543 U CN 205689543U CN 201620517170 U CN201620517170 U CN 201620517170U CN 205689543 U CN205689543 U CN 205689543U
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- CN
- China
- Prior art keywords
- type expansion
- novel
- point type
- button type
- expansion sleeve
- 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
This utility model provides a kind of novel six point type expansion bolts, relates to expansion bolt field, and described novel six point type expansion bolts include that screw rod, described screw rod include smooth shank portions, truncated cone-shaped bulge and threaded portion；Described smooth shank portions one end is affixed with described threaded portion, and the other end is affixed with the small end face of described truncated cone-shaped bulge；It is set with nut on described threaded portion；It is set with the button type expansion sleeve of cylinder type in described smooth shank portions, the barrel of described button type expansion sleeve is provided with multiple notch, the end of described button type expansion sleeve is divided into multiple expansion piece；Multiple described notches are uniformly distributed around the central axis of described button type expansion sleeve；Being provided with two salient points on the lateral surface of each described expansion piece, two described salient points lay respectively at the two ends of described expansion piece.The novel six point type expansion bolts of the application, solve expansion bolt of the prior art and fix the technical problem that intensity is general.
Description
Technical field
This utility model relates to expansion bolt technical field, especially relates to a kind of novel six point type expansion bolts.
Background technology
Expansion bolt, be pipeline is propped up/hangs/bracket or equipment is fixing on the wall, on floor, one used on post special
Threaded connector.During use, first must get out the hole of corresponding size on fixed body with electric impact drill (hammering into shape), then bolt, expansion
In set load hole, tightening nut can make swelling between bolt, expansion sleeve, installed part and fixed body be integrally forming.
After tightening, bolt tail has a bulge, outer one expansion sleeve more slightly larger than the diameter of bolt of surface cover of bolt, swollen
Expansion set afterbody You Ji road opening, after bolt is tightened, the afterbody of bulge is just brought to inside the expansion sleeve of opening, expanding
Set punching is big, reaches the purpose expanded, and then being bolted on ground or wall, reaches the purpose taken root.Setscrew it
Fixing is that utilization is taken along shape gradient and promoted to expand and produce friction bond stress, reaches fixed effect.It is generally used for guard rail, rain
The fastening on the material such as cement, brick such as fluffy, air-conditioning.But its is fixing the most reliable, if load has significant shock, can
Can get loose, the most not recommend for installing ceiling fan etc..
At present, on market, screw type expansion anchor cannot tighten up on low-grade concrete or under the condition of large aperture, fixes not
Firmly, fixing intensity is general, and it is long that existence simultaneously exposes screw rod after tightening, and there is the set-up time longer simultaneously, affects work effect
The shortcoming of rate.What is more has buried hidden danger for the safe operation of equipment.
Based on this, this utility model provides a kind of novel six point type expansion bolts to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of novel six point type expansion bolts, to solve present in prior art
Expansion bolt fixes the technical problem that intensity is general.
The novel six point type expansion bolts that this utility model provides, including screw rod, described screw rod includes smooth shank portions, round platform
Shape bulge and threaded portion；Described smooth shank portions one end is affixed with described threaded portion, the other end and described truncated cone-shaped bulge
Small end face is affixed；
It is set with nut on described threaded portion；
It is set with the button type expansion sleeve of cylinder type in described smooth shank portions, the barrel of described button type expansion sleeve is arranged
There is multiple notch, the end of described button type expansion sleeve is divided into multiple expansion piece；Multiple described notches are around described button type
The central axis of expansion sleeve is uniformly distributed；Two salient points, two described salient points it are provided with on the lateral surface of each described expansion piece
Lay respectively at the two ends of described expansion piece.
Optionally, the depth direction of multiple described notches and the centerline axis parallel of described button type expansion sleeve.
As common expansion bolt, multiple notches are extended to the other end by one end of expansion bolt, so arrange and make
Obtain expansion sleeve easily to expand, it is simple to being fixed in body of wall of fastening.
Optionally, described salient point is square or arc bump.
Foursquare or arc projection is easy to processing, simple shape, it is easy to industrial realization, reduces and produces and be processed into
This.
Optionally, described bump surface is provided with decorative pattern.
At the surface configuration decorative pattern of described salient point, it is to strengthen the frictional force between described salient point and body of wall, increases anti-
Pull out force, more effectively strengthens fixing intensity, makes expansion bolt more be not easy to come off in body of wall.
Optionally, described notch is set to three.
Notch is set to three, and one is convenient processing, saves processing cost, and two is that the width of expansion piece is enough, swollen
Also fracture it is not easy during swollen.
Optionally, wherein a described notch is through to the other end by one end of described button type expansion sleeve.
So it is disposed to make expansion sleeve be easier to expand, screw rod moves when, it is possible to expand faster.
Optionally, described smooth shank portions is additionally provided with a circle annular protrusion, and described annular protrusion expands with described button type
Set abuts；The external diameter of described annular protrusion is without departing from the diameter of described truncated cone-shaped bulge large end face.
Described annular protrusion is to stop described button type expansion sleeve, prevents installing expansion bolt when, described
Button type expansion sleeve comes off from described screw rod, makes troubles to installation, adds an annular protrusion, would not occur being similar to again
Problem so that with convenient easily.The external diameter of described annular protrusion is without departing from described truncated cone-shaped bulge large end face
Diameter, does not thus interfere with the effect of expansion bolt.
Optionally, the described notch width near one end of described truncated cone-shaped bulge is more than the width of described pocket bottom
Degree.
So arranging, button type expansion sleeve is the most swollen owing to width of rebate is excessive near one end of truncated cone-shaped bulge
Swollen, and the other end of expansion sleeve, owing to width of rebate is narrower, thus the wider width of expansion piece, bonding strength is enough, expansion piece
Not easy fracture in expansion process.Notch wide outside and narrow inside is also easier processing.
Optionally, a length of 14.5mm 26mm of described button type expansion sleeve.
This product adds the length of expansion sleeve so that during installation, arcuate friction sheet is easy to expand, and is greatly saved installation
Time, improve work efficiency.
Optionally, described threaded portion is also set with spring washer and plain washer.
This is that nut is not easy to come off, and strengthens between nut and bolt in order to make nut tightr with the combination of bolt
Frictional force.
The described novel six point type expansion bolts that this utility model provides, during use, now punch on the wall, screw on nut,
Driving screw rod to move outside wall, truncated cone-shaped bulge can be outwardly against button type expansion sleeve so that it is outward expansion, thus is fixed on
Within the walls.This product adds the length of expansion sleeve so that during installation, arcuate friction sheet is easy to expand, when being greatly saved installation
Between, improve work efficiency.Meanwhile, on friction expansion sleeve surface, the two ends of each described expansion piece are respectively provided with a salient point,
After installation, by the expansion of the three of outermost end salient points, get into concrete firmly, it is ensured that crab-bolt has reliability and stability, at wall
Interior fixing ratio is stronger.The effect of three salient points of internal layer be prevent when crab-bolt construction and installation friction plate in mixed clay to
Outer or rotation, it is easy to the expansion of friction plate, also strengthens anchor force simultaneously.And, six points are set, it is simple to processing, two ends
One, one end, processing is simple, and cost is relatively low.
The described novel six point type expansion bolts that this utility model provides, product overall construction design is reasonable, is skillfully constructed,
There is good practicality, stable working state, it is easy to popularization and application, compared to existing technologies, there is prominent substance
Effect and marked improvement.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The front view of the novel six point type expansion bolts that Fig. 1 provides for this utility model embodiment；
The button type expansion sleeve front view of the novel six point type expansion bolts that Fig. 2 provides for this utility model embodiment；
Fig. 3 is the left view of Fig. 2.
Reference:
1-screw rod；2-smooth shank portions；3-truncated cone-shaped bulge；
4-threaded portion；5-nut；6-button type expansion sleeve；
7-notch；8-expansion piece；9-salient point；
10-annular protrusion；11-spring washer；12-plain washer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Embodiment
The front view of the novel six point type expansion bolts that Fig. 1 provides for this utility model embodiment；Fig. 2 is this utility model
The button type expansion sleeve front view of the novel six point type expansion bolts that embodiment provides；Fig. 3 is the left view of Fig. 2.Such as Fig. 1-3 institute
Showing, providing a kind of novel six point type expansion bolts in the present embodiment, described novel six point type expansion bolts include screw rod 1,
Described screw rod 1 includes smooth shank portions 2, truncated cone-shaped bulge 3 and threaded portion 4；Described smooth shank portions 2 one end and described threaded portion 4
Affixed, the other end is affixed with the small end face of described truncated cone-shaped bulge 3；
It is set with nut 5 on described threaded portion 4；
The button type expansion sleeve 6 of cylinder type it is set with, it is preferred that described button type expansion sleeve 6 leans in described smooth shank portions 2
One end flare of nearly described truncated cone-shaped bulge 3, is sleeved on described truncated cone-shaped bulge, described button type expansion sleeve 6
Barrel on be provided with multiple notch 7, the end of described button type expansion sleeve 6 is divided into multiple expansion piece 8；Multiple described notches
7 are uniformly distributed around the central axis of described button type expansion sleeve 6；It is provided with two on the lateral surface of each described expansion piece 8
Salient point 9, two described salient points 9 lay respectively at the two ends of described expansion piece 8.
The described novel six point type expansion bolts that this utility model provides, during use, now punch on the wall, screw on nut 5,
Driving screw rod 1 to move outside wall, truncated cone-shaped bulge 3 can be outwardly against button type expansion sleeve 6 so that it is outward expansion, thus solid
It is scheduled within the walls.This product adds the length of friction expansion sleeve so that during installation, arcuate friction sheet is easy to expand, and is greatly saved
Set-up time, improve work efficiency.
Meanwhile, on friction expansion sleeve surface, the two ends of each described expansion piece 8 are respectively provided with a salient point, after mounting,
By the expansion of the three of outermost end salient points, get into concrete firmly, it is ensured that crab-bolt has reliability and stability, fix within the walls
Ratio is stronger.The effect of three salient points of internal layer be prevent when crab-bolt construction and installation friction plate in mixed clay outwards or from
Turn, it is easy to the expansion of friction plate, also strengthen anchor force simultaneously.And, six points are set, it is simple to processing, one, one end, two ends,
Processing is simple, and cost is relatively low.
On market, existing screw rod 1 type expansion anchor cannot tighten up or deposit on low-grade concrete or in the case of large aperture
In potential safety hazard, installation effectiveness is the highest；And use the art of this patent, and described novel six point type expansion bolts, can solve
The problem that cannot install under low-grade concrete or large aperture operating mode, and it is greatly improved installation effectiveness.
The described novel six point type expansion bolts that this utility model provides, product overall construction design is reasonable, is skillfully constructed,
There is good practicality, stable working state, it is easy to popularization and application, compared to existing technologies, there is prominent substance
Effect and marked improvement.
Such as Fig. 1-3, in the alternative of the present embodiment, the depth direction of multiple described notches 7 expands with described button type
The centerline axis parallel of set 6.
As common expansion bolt, multiple notches 7 are extended to the other end by one end of expansion bolt, so arrange and make
Obtain expansion sleeve easily to expand, it is simple to being fixed in body of wall of fastening.
Preferably, described salient point 9 is square or arc bump.
Foursquare or arc projection is easy to processing, simple shape, it is easy to industrial realization, reduces and produces and be processed into
This.It is of course also possible to be arranged to remaining abnormity projection, need to arrange, all in the application protection domain with operating mode.
Further, described salient point 9 surface configuration has decorative pattern.
At the surface configuration decorative pattern of described salient point 9, it is to strengthen the frictional force between described salient point 9 and body of wall, increases
Withdrawal resistance, more effectively strengthens fixing intensity, makes expansion bolt more be not easy to come off in body of wall.
Further, described notch 7 is set to three.
Notch 7 is set to three, and one is convenient processing, saves processing cost, and two is that the width of expansion piece 8 is enough,
Expansion process is also not easy fracture.
Further, wherein a described notch 7 is through to the other end by one end of described button type expansion sleeve 6.
So it is disposed to make expansion sleeve be easier to expand, screw rod 1 moves when, it is possible to expand faster.
Such as Fig. 1, in the alternative of the present embodiment, described smooth shank portions 2 is additionally provided with a circle annular protrusion 10, described ring
Shape protruding 10 abuts with described button type expansion sleeve 6；The external diameter of described annular protrusion 10 is big without departing from described truncated cone-shaped bulge 3
The diameter of end face.
Described annular protrusion 10 is to stop described button type expansion sleeve 6, prevents installing expansion bolt when, institute
State button type expansion sleeve 6 to come off from described screw rod 1, make troubles to installation, add an annular protrusion 10, would not go out again
Now similar problem so that with convenient easily.The external diameter of described annular protrusion 10 is without departing from described truncated cone-shaped bulge 3
The diameter of large end face, does not thus interfere with the effect of expansion bolt.
Such as Fig. 1-3, in the alternative of the present embodiment, the described notch 7 width near one end of described bulge 3 is more than
Width bottom described notch 7.
So arranging, button type expansion sleeve 6 is near one end of truncated cone-shaped bulge 3, owing to notch 7 width is bigger and easy
Expand, and the other end of expansion sleeve, due to notch 7 narrower width, thus the wider width of expansion piece 8, bonding strength is enough, swollen
Swollen 8 not easy fracture in expansion process, it is ensured that the installation tightness of whole expansion bolt, strengthens safety.In outer width
Narrow notch 7 is also easier processing.
In the alternative of the present embodiment, a length of 14.5mm 26mm of described button type expansion sleeve 6.
This product adds the length of expansion sleeve so that during installation, arcuate friction sheet is easy to expand, and is greatly saved installation
Time, improve work efficiency.And, length is the longest, and degrees of expansion is the biggest, and fixed effect is more preferable.
Such as Fig. 1, in the alternative of the present embodiment, described threaded portion 4 is also set with spring washer 11 and plain washer 12.
This is that nut is not easy to come off, and strengthens between nut 5 and bolt in order to make nut 5 tightr with the combination of bolt
Frictional force.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. novel six point type expansion bolts, it is characterised in that include that screw rod, described screw rod include smooth shank portions, truncated cone-shaped
Bulge and threaded portion；Described smooth shank portions one end is affixed with described threaded portion, and the other end is little with described truncated cone-shaped bulge
End face is affixed；
It is set with nut on described threaded portion；
It is set with the button type expansion sleeve of cylinder type in described smooth shank portions, the barrel of described button type expansion sleeve is provided with many
Individual notch, is divided into multiple expansion piece by the end of described button type expansion sleeve；Multiple described notches expand around described button type
The central axis of set is uniformly distributed；Being provided with two salient points on the lateral surface of each described expansion piece, two described salient points are respectively
It is positioned at the two ends of described expansion piece.
Novel six point type expansion bolts the most according to claim 1, it is characterised in that the depth direction of multiple described notches
Centerline axis parallel with described button type expansion sleeve.
Novel six point type expansion bolts the most according to claim 2, it is characterised in that described salient point is square or arc
Projection.
Novel six point type expansion bolts the most according to claim 3, it is characterised in that described bump surface is provided with flower
Stricture of vagina.
Novel six point type expansion bolts the most according to claim 2, it is characterised in that described notch is set to three.
Novel six point type expansion bolts the most according to claim 5, it is characterised in that wherein a described notch is by described
One end of button type expansion sleeve is through to the other end.
Novel six point type expansion bolts the most according to claim 1, it is characterised in that described smooth shank portions is additionally provided with one
Circle annular protrusion, described annular protrusion abuts with described button type expansion sleeve；The external diameter of described annular protrusion is without departing from described circle
The diameter of platform shape bulge large end face.
Novel six point type expansion bolts the most according to claim 1, it is characterised in that described notch is near described truncated cone-shaped
The width of one end of bulge is more than the width of described pocket bottom.
Novel six point type expansion bolts the most according to claim 1, it is characterised in that the length of described button type expansion sleeve
For 14.5mm 26mm.
10. according to the novel six point type expansion bolts described in any one of claim 1-9, it is characterised in that on described threaded portion
Also it is set with spring washer and plain washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517170.1U CN205689543U (en) | 2016-05-31 | 2016-05-31 | Novel six point type expansion bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517170.1U CN205689543U (en) | 2016-05-31 | 2016-05-31 | Novel six point type expansion bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689543U true CN205689543U (en) | 2016-11-16 |
Family
ID=57262276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620517170.1U Expired - Fee Related CN205689543U (en) | 2016-05-31 | 2016-05-31 | Novel six point type expansion bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219866A (en) * | 2019-06-26 | 2019-09-10 | 汤业禧 | A kind of self-expanding semisolid installation rivet |
| CN112204200A (en) * | 2019-04-30 | 2021-01-08 | 车柱炳 | Improved anchor bolt assembly and ceiling trim panel fixing device comprising same |
-
2016
- 2016-05-31 CN CN201620517170.1U patent/CN205689543U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204200A (en) * | 2019-04-30 | 2021-01-08 | 车柱炳 | Improved anchor bolt assembly and ceiling trim panel fixing device comprising same |
| CN112204200B (en) * | 2019-04-30 | 2021-09-28 | 车柱炳 | Improved anchor bolt assembly and ceiling trim panel fixing device comprising same |
| CN110219866A (en) * | 2019-06-26 | 2019-09-10 | 汤业禧 | A kind of self-expanding semisolid installation rivet |
| CN110219866B (en) * | 2019-06-26 | 2020-12-08 | 靖江市凯狄五金机械制造有限公司 | Self-expanding semi-solid mounting rivet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20210531 |