CN206845626U - A kind of stable type expansion bolt for building - Google Patents
A kind of stable type expansion bolt for building Download PDFInfo
- Publication number
- CN206845626U CN206845626U CN201720361389.1U CN201720361389U CN206845626U CN 206845626 U CN206845626 U CN 206845626U CN 201720361389 U CN201720361389 U CN 201720361389U CN 206845626 U CN206845626 U CN 206845626U
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- CN
- China
- Prior art keywords
- bolt
- spring
- stud
- expansion sleeve
- expansion
- 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 stable type expansion bolt for building, including stud, nuts and bolt, the stud and nut are detachably connected by screw thread, nut bottom is provided with spring washer, spring washer is enclosed on stud, spring washer bottom is provided with plain washer, plain washer is enclosed on stud, spring washer connects with plain washer touching, plain washer bottom is provided with sleeve pipe, casing part is provided with the first expansion sleeve, plain washer and the first expansion sleeve are enclosed on stud, first expansion sleeve bottom is provided with barrier ring, barrier ring is fixedly connected with stud, stud bottom is provided with bolt, bolt is with stud by rotating axis connection, the first spring is provided with inside the bolt, second expansion sleeve is by rotary shaft with being bolted together, second spring is provided among second expansion sleeve and bolt, bayonet lock is provided with the outside of second expansion sleeve.A kind of stable type expansion bolt for building, by being provided with the second expansion sleeve on the outside of bolt so that more can be stably fixed in wall.
Description
Technical field
Fixing device technical field is the utility model is related to, specially a kind of stable type expansion bolt for building.
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 is very frequent in architectural use, but traditional expansion bolt is integrally to follow closely bolt into wall
It is interior, then rotating nuts squeezing bushing is carried out, its bolt is linked together with what wall compacted, will not fall off, but usual
In the case of, nut can loosen with bounce, in turn result in bolt and come off with wall, use is extremely inconvenient, and potentially endangers
Danger is also larger.For this, we devise a new stable type expansion bolt for building, and solving traditional expansion bolt makes
The problem of with inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of stable type expansion bolt for building, to solve existing technological deficiency
With inaccessiable technical requirements.
To achieve the above object, the utility model provides following technical scheme：A kind of stable type expansion bolt for building, bag
Stud, nuts and bolt are included, the stud and nut are detachably connected by screw thread, and nut bottom is provided with spring washer, spring
Packing ring is enclosed on stud, and spring washer bottom is provided with plain washer, and plain washer is enclosed on stud, and spring washer connects with plain washer touching
Connecing, plain washer bottom is provided with sleeve pipe, and casing part is provided with the first expansion sleeve, and plain washer and the first expansion sleeve are enclosed on stud,
First expansion sleeve bottom is provided with barrier ring, and barrier ring is fixedly connected with stud, and stud bottom is provided with bolt, and bolt passes through with stud
Rotate axis connection, be provided with the first spring inside the bolt, the second expansion sleeve by rotary shaft with being bolted together, second
Second spring is provided among expansion sleeve and bolt, bayonet lock is provided with the outside of the second expansion sleeve, axial symmetry distribution, the spiral shell is presented in bayonet lock
Bolt is placed on inside wall.
Preferably, it is provided with fixed seat on the inside of second expansion sleeve, the first both ends of the spring is provided with support bar, support bar and the
One spring is fixedly connected, and support bar is linked together with fixed seat by rotary shaft.
Preferably, axial symmetry distribution is presented in the second spring, and second spring both sides are swollen with bolt and second respectively
Expansion set connects.
Preferably, the second expansion sleeve bottom internal being provided with back property spring, bayonet lock pass through returning property spring and the second expansion
Set connection.
Preferably, iron plate is provided with the top of first expansion sleeve, and iron plate is placed in inside pipe casing, sleeve pipe and the first expansion
It is connected through the hinge between set.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. compared with traditional stable type expansion bolt for building, stable type expansion bolt for building after improvement by
The first spring is provided with inside bolt, when groove of the bolt on wall enters wall interiors, the release of the first spring
Elasticity, the second expansion sleeve is ejected, and then bolt is stably fixed in wall.
2. compared with traditional stable type expansion bolt for building, the stable type expansion bolt for building after improvement is in bolt
And second be provided with second spring between expansion sleeve, second spring is after the first spring release elasticity, then release elasticity, further
Support is played to bolt so that bolt is more stably fixed in wall.
Brief description of the drawings
Fig. 1 is a kind of stable type expansion bolt structural representation for building of the utility model；
Fig. 2 is a kind of stable type expansion bolt A partial enlargement structural representations for building of the utility model；
In figure：1- walls, 2- studs, 3- nuts, 4- bolts, 5- spring washers, 6- plain washers, 7- sleeve pipes, 8- first are swollen
Expansion set, 9- barrier rings, the springs of 10- first, 11- second springs, 12- hinges, the expansion sleeves of 13- second, 14- bayonet locks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of stable type expansion bolt for building, including
Stud 2, nut 3 and bolt 4, the stud 2 and nut 3 are detachably connected by screw thread, and the bottom of nut 3 is provided with spring washer 5,
Spring washer 5 is enclosed on stud 2, and the bottom of spring washer 5 is provided with plain washer 6, and plain washer 6 is enclosed on stud 2, spring washer 5 with
The touching connection of plain washer 6, the bottom of plain washer 6 are provided with sleeve pipe 7, and the bottom of sleeve pipe 7 is provided with the first expansion sleeve 8, and plain washer 6 and first is swollen
Expansion set 8 is enclosed on stud 2, and the bottom of the first expansion sleeve 8 is provided with barrier ring 9, and barrier ring 9 is fixedly connected with stud 2, the bottom of stud 2
Portion is provided with bolt 4, and bolt 4 is provided with the first spring 10, the second expansion sleeve with stud 2 by rotating axis connection, the inside of bolt 4
13 are linked together by hinge 12 and bolt 4, and the second expansion sleeve 13 is with being provided with second spring 11, the second expansion among bolt 4
The outside of set 13 is provided with bayonet lock 14, and axial symmetry distribution is presented in bayonet lock 14, and the bolt 4 is placed on inside wall 1.
The inner side of second expansion sleeve 13 is provided with fixed seat, and the both ends of the first spring 10 are provided with support bar, support bar and the first spring
10 are fixedly connected, and support bar is linked together with fixed seat by rotary shaft, can preferably control the angle of the second expansion sleeve 13
Degree, what is stabilized it is stuck in the groove of wall.Axial symmetry distribution is presented in second spring 11, and the both sides of second spring 11 are distinguished
It is connected with the expansion sleeve 13 of bolt 4 and second, second spring 11 is used in conjunction with each other with the first spring 10, makes its second expansion sleeve 13
More it can be stably fixed in wall.Bottom internal the being provided with back property spring of second expansion sleeve 13, bayonet lock 14 pass through returning property bullet
Spring is connected with the second expansion sleeve 13, and small groove is provided with wall, and after bayonet lock 14 enters wall interiors, bayonet lock 14 is automatic
Reply, be stuck in groove.The top of first expansion sleeve 8 is provided with iron plate, and iron plate is placed in inside sleeve pipe 7, and sleeve pipe 7 and first expands
Be connected through the hinge between set 8, rotating nuts 3 move down it, squeezing bushing 7 and then extrude the first expansion sleeve 8, make its
One expansion sleeve 8 expands and is in close contact in wall.
Bolt 4 is first connected to the bottom of stud 2 by a kind of stable type expansion bolt for building of the utility model by rotary shaft,
First expansion sleeve 8 is enclosed on stud 2 sleeve pipe 7 is enclosed on stud 2 again, then be inserted in plain washer 6 and spring washer 5, finally will
Nut 3 is screwed on stud stud 2, groove of the bolt on wall 1 is pressed in bolt 4 in groove, the first bullet in bolt 4
Spring 10 can discharge elasticity automatically, and drive second spring 11, and both cooperate, and its bolt 4 is stably fixed to wall 1
In groove, then nut 3 is rotated down, the first expansion sleeve 8 of extruding expands and closely rubbed with wall 1, makes its new swollen
Swollen bolt is durable in use.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of stable type expansion bolt for building, including stud（2）, nut（3）And bolt（4）, it is characterised in that：The spiral shell
Post（2）And nut（3）It is detachably connected by screw thread, nut（3）Bottom is provided with spring washer（5）, spring washer（5）It is enclosed on spiral shell
Post（2）On, spring washer（5）Bottom is provided with plain washer（6）, plain washer（6）It is enclosed on stud（2）On, spring washer（5）With plain cushion
Circle（6）Touching connection, plain washer（6）Bottom is provided with sleeve pipe（7）, sleeve pipe（7）Bottom is provided with the first expansion sleeve（8）, plain washer（6）
With the first expansion sleeve（8）It is enclosed on stud（2）On, the first expansion sleeve（8）Bottom is provided with barrier ring（9）, barrier ring（9）With stud
（2）It is fixedly connected, stud（2）Bottom is provided with bolt（4）, bolt（4）With stud（2）By rotating axis connection, the bolt（4）
Inside is provided with the first spring（10）, the second expansion sleeve（13）Pass through hinge（12）With bolt（4）Link together, the second expansion sleeve
（13）With bolt（4）Centre is provided with second spring（11）, the second expansion sleeve（13）Outside is provided with bayonet lock（14）, bayonet lock（14）Present
Axial symmetry is distributed, the bolt（4）It is placed on wall（1）It is internal.
A kind of 2. stable type expansion bolt for building according to claim 1, it is characterised in that：Second expansion sleeve
（13）Inner side is provided with fixed seat, the first spring（10）Both ends are provided with support bar, support bar and the first spring（10）It is fixedly connected, props up
Strut is linked together with fixed seat by rotary shaft.
A kind of 3. stable type expansion bolt for building according to claim 1, it is characterised in that：The second spring（11）
Axial symmetry distribution, and second spring is presented（11）Both sides respectively with bolt（4）With the second expansion sleeve（13）Connection.
A kind of 4. stable type expansion bolt for building according to claim 1, it is characterised in that：Second expansion sleeve
（13）Bottom internal being provided with back property spring, bayonet lock（14）Pass through returning property spring and the second expansion sleeve（13）Connection.
A kind of 5. stable type expansion bolt for building according to claim 1, it is characterised in that：First expansion sleeve
（8）Top is provided with iron plate, and iron plate is placed in sleeve pipe（7）Inside, sleeve pipe（7）With the first expansion sleeve（8）Between connected by hinge
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720361389.1U CN206845626U (en) | 2017-04-08 | 2017-04-08 | A kind of stable type expansion bolt for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720361389.1U CN206845626U (en) | 2017-04-08 | 2017-04-08 | A kind of stable type expansion bolt for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845626U true CN206845626U (en) | 2018-01-05 |
Family
ID=60792928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720361389.1U Expired - Fee Related CN206845626U (en) | 2017-04-08 | 2017-04-08 | A kind of stable type expansion bolt for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845626U (en) |
-
2017
- 2017-04-08 CN CN201720361389.1U patent/CN206845626U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20180408 |