CN206668696U - A kind of reliable expansion bolt of stationarity - Google Patents
A kind of reliable expansion bolt of stationarity Download PDFInfo
- Publication number
- CN206668696U CN206668696U CN201720468527.6U CN201720468527U CN206668696U CN 206668696 U CN206668696 U CN 206668696U CN 201720468527 U CN201720468527 U CN 201720468527U CN 206668696 U CN206668696 U CN 206668696U
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- CN
- China
- Prior art keywords
- expansion sleeve
- internal thread
- expansion
- thread bar
- bolt
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a kind of reliable expansion bolt of stationarity, including internal thread bar and expansion sleeve, the internal thread bar left end is provided with internal thread slot bolt head, the internal thread bar right-hand member is provided with expansion bolt head, the expansion sleeve is enclosed with internal thread bar, expansion sleeve air-vent is offered on the expansion sleeve, the expansion sleeve left end is provided with expansion sleeve tube head, the expansion sleeve tube head outer surface is provided with delta tab, the expansion sleeve tube head outer surface offers longitudinal fluting, and the expansion sleeve left end is fixedly connected with plain cushion.By the way that expansion sleeve is fixedly connected with nut shim, nut shim and aluminum corner brace are fixed on wall together by four threaded screws again, not only strengthen the fixing intensity of expansion swivel nut, it is not easy to release, also avoid internal thread bar expansion sleeve during outside rotation will not rotate therewith, ensure the sheet metal energy smooth opening of expansion sleeve club head, embedded wall, improve steadiness.
Description
Technical field
The utility model belongs to machine components technical field, and in particular to a kind of reliable expansion bolt of stationarity.
Background technology
Expansion bolt, be by pipeline branch, hang, bracket or equipment fix on the wall, on floor, on post it is used a kind of special
Threaded connector.Expansion bolt generally be expansible anchor of metal, the fixation of expansion bolt is to be promoted using wedge-shaped gradient
Expansion is produced friction bond stress, reach fixed effect, one, screw is screw thread, and one tapered, the outer steel pipe of bread one, steel pipe
Cylinder half has some otch, they is filled in together in the hole accomplished fluently on wall, then split nut, and nut pulls outward screw,
Taper is pulled in into iron sheet cylinder, iron sheet cylinder is then tightly secured on wall, is generally used for guard rail, canopy, air-conditioning by spreading
Deng the fastening on the materials such as cement, brick, but its fixation is not very reliable, if load has significant shock, it may occur however that
Release, therefore do not recommend to be used to ceiling fan etc. is installed, setscrew due to drill small, pulling force is big, with it is rear it is exposed be it is flat, do not have to such as
It can arbitrarily remove, keep wall surface levelling advantage notable, and the various finishing occasions that are widely used.
But expansion bolt in the market is not only simple in structure, and function is single, the expanding screw on existing market
The fixation of bolt is not very reliable, if load has significant shock, it may occur however that release, after expansion bolt squeezes into wall, and bolt
Because not enough causing to rotate together with internal thread bar with wall frictional force, the sheet metal on expansion sleeve head can not be opened sleeve pipe,
Fixation is not had.
Utility model content
The utility model provides a kind of reliable expansion bolt of stationarity, solves existing expansion sleeve and fixes loosely, holds
Easily release and expand pipe sleeve because frictional force not enough rotated together with internal thread bar so as to lead to not be fixed in wall the problem of.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of reliable expansion bolt of stationarity of the utility model, including internal thread bar and expansion sleeve, the internal thread
Bar left end is provided with internal thread slot bolt head, and the internal thread bar right-hand member is provided with expansion bolt head, the expansion sleeve parcel
There is internal thread bar, expansion sleeve air-vent is offered on the expansion sleeve, the expansion sleeve left end is provided with expansion sleeve
Head, the expansion sleeve tube head outer surface are provided with delta tab, and the expansion sleeve tube head outer surface offers longitudinal fluting, described
Expansion sleeve left end is fixedly connected with plain cushion, and the plain cushion left end is connected with nut shim, pacified on the nut shim left side wall
Equipped with threaded screw, threaded screw pad is provided with the threaded screw, the threaded screw pad right-hand member is provided with aluminum corner brace,
The aluminum corner brace is arranged on the left of nut shim, and hex nut, the hexagonal spiral shell are provided with the internal thread bar and on the left of aluminum corner brace
Female right side is provided with spring shim.
As a kind of optimal technical scheme of the present utility model, the internal thread bar and hex nut are threaded connection.
As a kind of optimal technical scheme of the present utility model, the delta tab be provided with it is multiple, and with being distributed in
Expansion sleeve tube head outer surface.
As a kind of optimal technical scheme of the present utility model, the groove offers five, and the expansion sleeve is breathed freely
Hole is provided with four, and is symmetrically distributed in expansion sleeve both sides two-by-two.
As a kind of optimal technical scheme of the present utility model, the aluminum corner brace and nut shim are fixed by threaded screw and connected
Connect.
As a kind of optimal technical scheme of the present utility model, the threaded screw is provided with four, and is fixed on nut
Pad corner.
The beneficial effect that the utility model is reached is：The utility model is scientific and reasonable for structure, safe and convenient to use, passes through
Expansion sleeve is fixedly connected with nut shim, then is fixed on nut shim and aluminum corner brace together by four threaded screws
On wall, the fixing intensity of expansion swivel nut is not only strengthened, is not easy to release, it is thus also avoided that internal thread bar is in the process outwards rotated
Middle expansion sleeve will not rotate therewith, and ensure the sheet metal energy smooth opening of expansion sleeve club head, embedded wall, make expansion
It is bolted in wall, adds delta tab and groove, adds the frictional force of expansion sleeve and wall, prevent frictional force
Not enough, expansion sleeve and not caused enough the fracture of nut shim attachment force, ensure its security reliability, finally improve expanding screw
The performance and steadiness of bolt.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure of the reliable expansion bolt of stationarity of the utility model；
In figure：1st, internal thread bar；2nd, expansion bolt head；3rd, delta tab；4th, expansion sleeve air-vent；5th, spring shim；
6th, threaded screw；7th, threaded screw pad；8th, aluminum corner brace；9th, internal thread slot bolt head；10th, hex nut；11st, nut shim；12、
Plain cushion；13rd, expansion sleeve；14th, groove；15th, expansion sleeve tube head.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment：As shown in figure 1, a kind of reliable expansion bolt of stationarity of the utility model, including internal thread bar 1 and swollen
Expansion set pipe 13, the left end of internal thread bar 1 are provided with internal thread slot bolt first 9, and the right-hand member of internal thread bar 1 is provided with expansion bolt head 2, swollen
Expansion set pipe 13 is enclosed with internal thread bar 1, and expansion sleeve air-vent 4 is offered on expansion sleeve 13, and expansion sleeve left end is provided with
Expansion sleeve tube head 15, the outer surface of expansion sleeve tube head 15 are provided with delta tab 3, and it is recessed that the outer surface of expansion sleeve tube head 15 offers longitudinal direction
Groove 14, the left end of expansion sleeve 13 are fixedly connected with plain cushion 12, and the left end of plain cushion 12 is connected with nut shim 11, the left side of nut shim 11
Threaded screw 6 is installed on wall, threaded screw pad 7 is provided with threaded screw 6, the right-hand member of threaded screw pad 7 is provided with angle
Aluminium 8, aluminum corner brace 8 are arranged on the left of nut shim 11, and on the internal thread bar 1 and left side of aluminum corner brace 8 is provided with hex nut 10, hex nut
10 right sides are provided with spring shim 5.
Internal thread bar 1 and hex nut 10 are threaded connection, and threaded connection can allow internal thread bar 1 to be rotated out of from wall
Come, so as to allow the sheet metal on expansion sleeve tube head 15 to open, complete fixation.
Delta tab 3 be provided with it is multiple, and with being distributed in the outer surface of expansion sleeve tube head 15, the He of increase expansion sleeve tube head 15
The frictional force of wall, prevent from rotating.
Groove 14 offers five, and expansion sleeve air-vent 4 is provided with four, and is symmetrically distributed in expansion sleeve 13 two-by-two
The frictional force of both sides, increase expansion sleeve tube head 15 and wall, prevents from rotating.
Aluminum corner brace 8 is fixedly connected with nut shim 11 by threaded screw 6, increases the fixing intensity of expansion bolt and wall,
Prevent from releasing.
Threaded screw 6 is provided with four, and is fixed on 11 4 jiaos of nut shim, ensures the stress of nut shim 11 with keeping away
Exempt from firmly it is irregular cause to fix it is insecure.
Specifically, when in use, it must first use electric impact drill（Hammer）The hole of corresponding size is drilled out on fixed body, then expansion
In bolt load hole, aluminum corner brace 8 and nut shim 11 are fixed on wall with threaded screw 6, are anti-when threaded screw 6 is installed
Only overexert damage aluminum corner brace 8, places threaded screw pad 7 in threaded screw 6 and the junction of aluminum corner brace 8, four threaded screws 6 are solid
After setting, hex nut 10 is blocked with die nut, hex nut 10 is rotated, passes through hex nut 10 and the spiral shell of internal thread bar 1
Line connects, and internal thread bar 1 moves from inside to outside, is in certain because the right-hand member of internal thread bar 1 is provided with expansion bolt head 2 and junction
Gradient, the stress of internal thread bar 1 moves out, and expansion sleeve air-vent 4 can distribute internal thread bar 1 and move caused heat
Amount, pressure is produced between expansion bolt head 2 and expansion sleeve tube head 15, because expansion sleeve tube head 15 is made up of sheet metal, stress
Afterwards, sheet metal is flared out with the expansion bolt head 2 for having constant slope, convex by the triangle set on expansion sleeve tube head 15
Piece and groove, the friction of increase expansion sleeve tube head 15 and wall, prevent expansion sleeve 13 from being rotated with internal thread bar 1, due to
Expansion sleeve 13 is fixedly connected with nut shim 11, and nut shim 11 is fixedly connected with plain cushion 12, solid finally by threaded screw 6
It is fixed, also increase the fastness of expansion bolt.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of reliable expansion bolt of stationarity, including internal thread bar（1）And expansion sleeve（13）, it is characterised in that it is described
Internal thread bar（1）Left end is provided with internal thread slot bolt head（9）, the internal thread bar（1）Right-hand member is provided with expansion bolt head
（2）, the expansion sleeve（13）It is enclosed with internal thread bar（1）, the expansion sleeve（13）On offer expansion sleeve air-vent
（4）, the expansion sleeve left end is provided with expansion sleeve tube head（15）, the expansion sleeve tube head（15）It is convex that outer surface is provided with triangle
Piece（3）, the expansion sleeve tube head（15）Outer surface offers longitudinal fluting（14）, the expansion sleeve（13）Left end is fixedly connected
There is plain cushion（12）, the plain cushion（12）Left end is connected with nut shim（11）, the nut shim（11）It is provided with left side wall
Threaded screw（6）, the threaded screw（6）On be provided with threaded screw pad（7）, the threaded screw pad（7）Right-hand member is set
It is equipped with aluminum corner brace（8）, the aluminum corner brace（8）It is arranged on nut shim（11）Left side, the internal thread bar（1）Upper and aluminum corner brace（8）Left side
It is provided with hex nut（10）, the hex nut（10）Right side is provided with spring shim（5）.
A kind of 2. reliable expansion bolt of stationarity according to claim 1, it is characterised in that the internal thread bar（1）
And hex nut（10）For threaded connection.
A kind of 3. reliable expansion bolt of stationarity according to claim 1, it is characterised in that the delta tab（3）
Be provided with it is multiple, and with being distributed in expansion sleeve tube head（15）Outer surface.
A kind of 4. reliable expansion bolt of stationarity according to claim 1, it is characterised in that the groove（14）Open up
There are five, the expansion sleeve air-vent（4）Four are provided with, and is symmetrically distributed in expansion sleeve two-by-two（13）Both sides.
A kind of 5. reliable expansion bolt of stationarity according to claim 1, it is characterised in that the aluminum corner brace（8）And spiral shell
Female pad（11）Pass through threaded screw（6）It is fixedly connected.
A kind of 6. reliable expansion bolt of stationarity according to claim 1, it is characterised in that the threaded screw（6）
Four are provided with, and is fixed on nut shim（11）Corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468527.6U CN206668696U (en) | 2017-04-30 | 2017-04-30 | A kind of reliable expansion bolt of stationarity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468527.6U CN206668696U (en) | 2017-04-30 | 2017-04-30 | A kind of reliable expansion bolt of stationarity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668696U true CN206668696U (en) | 2017-11-24 |
Family
ID=60371520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720468527.6U Active CN206668696U (en) | 2017-04-30 | 2017-04-30 | A kind of reliable expansion bolt of stationarity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668696U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349942A (en) * | 2018-10-18 | 2019-02-19 | 陈姿璇 | A kind of anti-dropout hingle and its anti-dropout method |
| CN109372863A (en) * | 2018-12-17 | 2019-02-22 | 嘉兴钰丰汽车零部件有限公司 | A kind of anti-transfer expansion bolt of gasket-type |
| CN113958585A (en) * | 2021-11-22 | 2022-01-21 | 昆山艾科迅机械有限公司 | Expansion bolt |
| CN114614417A (en) * | 2022-04-14 | 2022-06-10 | 王洲 | Wall cable support |
-
2017
- 2017-04-30 CN CN201720468527.6U patent/CN206668696U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349942A (en) * | 2018-10-18 | 2019-02-19 | 陈姿璇 | A kind of anti-dropout hingle and its anti-dropout method |
| CN109372863A (en) * | 2018-12-17 | 2019-02-22 | 嘉兴钰丰汽车零部件有限公司 | A kind of anti-transfer expansion bolt of gasket-type |
| CN113958585A (en) * | 2021-11-22 | 2022-01-21 | 昆山艾科迅机械有限公司 | Expansion bolt |
| CN114614417A (en) * | 2022-04-14 | 2022-06-10 | 王洲 | Wall cable support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190507 Address after: 410116 Room 406, Building 10, Phase IV, 188 Environmental Protection Middle Road, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan Shenyi Hardware Standard Parts Co., Ltd. Address before: 311899 No. 66 Youyi Road, Jiyang street, Zhuji, Shaoxing, Zhejiang. Patentee before: Cai Zhongliang |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410116 Room 406, Building 10, Phase IV, 188 Environmental Protection Middle Road, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan Shenyi precision parts Co.,Ltd. Address before: 410116 Room 406, Building 10, Phase IV, 188 Environmental Protection Middle Road, Yuhua District, Changsha City, Hunan Province Patentee before: Hunan Shenyi Hardware Standard Parts Co.,Ltd. |