CN207470556U - A kind of expansion bolt for rolling screen door combines - Google Patents
A kind of expansion bolt for rolling screen door combines Download PDFInfo
- Publication number
- CN207470556U CN207470556U CN201721123674.6U CN201721123674U CN207470556U CN 207470556 U CN207470556 U CN 207470556U CN 201721123674 U CN201721123674 U CN 201721123674U CN 207470556 U CN207470556 U CN 207470556U
- Authority
- CN
- China
- Prior art keywords
- bolt
- casing
- screen door
- rolling screen
- expansion tube
- 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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- Door And Window Frames Mounted To Openings (AREA)
Abstract
The utility model is related to a kind of expansion bolt combinations for rolling screen door, include expansion tube and bolt, it is equipped with and the matched thread groove of the bolt in the expansion tube, the bolt end is set in thread groove, the bolt is stay bolt, the part that the bolt is not set in thread groove is socketed with corresponding casing, corresponding washer is equipped between the bolt end head and casing, the casing part opposite with bolt is equipped with corresponding screw thread, casing one end opposite with expansion tube is equipped with corresponding locating convex block, expansion tube one end opposite with casing is equipped with and the matched positioning groove of the locating convex block, the locating convex block is equipped with corresponding internal thread, corresponding external screw thread is equipped in the positioning groove.The utility model is simple in structure, easy to use, can allow directly to screw out bolt when need to remove rolling screen door, more convenient.
Description
Technical field
The utility model is related to rolling screen door fields, refer specifically to a kind of expansion bolt for rolling screen door and combine.
Background technology
Rolling screen door is cascaded with the door piece of multi-joint activity, is started and is driven by motor unit, rolling screen door is in fixation
Slideway in, upper and lower door is rotated centered on spool above door.Suitable for the business shop front, garage, market, hospital, factories and miness enterprise
The public places such as industry or house.Especially door opening is larger, and the place of inconvenience installation ground door body is played convenient, fast open and made
With.Such as garage door, market fire resistance rolling shutter door hangar door.
Rolling screen door is all mounted on wall, and wall makes often always to will appear metope out-of-flatness phenomenon building a wall, and
There are some irregular gaps, often solve the problems, such as that this is all and this method meeting by bolt and swelling agent or cement
Cause when dismantling rolling screen door, bolt is difficult to extract, it is difficult to dismantle.
It is this practicality to be combined for a kind of above-mentioned expansion bolt for rolling screen door of problem of the existing technology design
The purpose of novel research.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model lies in that provide a kind of expansion bolt for rolling screen door
Combination, can effectively solve the problem that the above-mentioned problems of the prior art.
The technical solution of the utility model is：
A kind of expansion bolt for rolling screen door combines, be equipped with comprising expansion tube and bolt, in the expansion tube with it is described
The matched thread groove of bolt, the bolt end are set in thread groove, and the bolt is stay bolt, and the bolt is not set on spiral shell
Part in groove is socketed with corresponding casing, between the bolt end head and casing be equipped with corresponding washer, the casing with
The opposite part of bolt is equipped with corresponding screw thread, and casing one end opposite with expansion tube is equipped with corresponding locating convex block, institute
Expansion tube one end opposite with casing is stated to be equipped with and the matched positioning groove of the locating convex block.
The locating convex block is equipped with corresponding internal thread.
Corresponding external screw thread is equipped in the positioning groove.
The advantages of the utility model：
The utility model in the part that the objects such as bolt and swelling agent or cement are in contact by being additionally arranged appropriate length
Casing can not only make bolt more firm, can also allow directly to screw out bolt when need to remove rolling screen door, more just
Just it is quick.The utility model is simple in structure, easy to use, can allow directly to screw out spiral shell when need to remove rolling screen door
Bolt, it is more convenient.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, existing make embodiment combination attached drawing into one the structure of the utility model
Step detailed description：
With reference to figure 1, a kind of expansion bolt for rolling screen door combines, comprising expansion tube 1 and bolt 4, in the expansion tube 1
Equipped with the 4 matched thread groove of bolt, 4 end of bolt be set on thread groove in, the bolt 4 be stay bolt, institute
It states the part that bolt 4 is not set in thread groove and is socketed with corresponding casing 3, be equipped between 4 top of bolt and casing 3 corresponding
Washer 5, the casing 3 part opposite with bolt 4 be equipped with corresponding screw thread, the casing 3 one end opposite with expansion tube 1
Equipped with corresponding locating convex block 2, the expansion tube 1 one end opposite with casing 3 is equipped with matched fixed with the locating convex block 2
Position groove（It does not identify）.
The locating convex block 2 is equipped with corresponding internal thread.
Corresponding external screw thread is equipped in the positioning groove.
Expansion tube 1 is placed in wall by the utility model during rolling screen door is installed, and passes through locating convex block 2 and positioning
The cooperation of groove makes casing 3 and expansion tube 1 lock connection, rear bolt 4 corresponding through-hole on rolling screen door sliding rail is passed through to screw in shield
In cylinder 3 and expansion tube 1, by being additionally arranged the shield of appropriate length in the part that the objects such as bolt 4 and swelling agent or cement are in contact
Cylinder 3 can not only make bolt 4 more firm, can also allow directly to screw out bolt 4 when need to remove rolling screen door, more
It is convenient and efficient.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (3)
1. a kind of expansion bolt for rolling screen door combines, comprising expansion tube and bolt, it is equipped with and the spiral shell in the expansion tube
The matched thread groove of bolt, the bolt end be set on thread groove in, which is characterized in that the bolt be stay bolt, the spiral shell
The part that bolt is not set in thread groove is socketed with corresponding casing, and corresponding washer is equipped between the bolt end head and casing,
The casing part opposite with bolt is equipped with corresponding screw thread, and casing one end opposite with expansion tube is equipped with corresponding fixed
Position convex block, expansion tube one end opposite with casing are equipped with and the matched positioning groove of the locating convex block.
2. a kind of expansion bolt for rolling screen door according to claim 1 combines, it is characterised in that：The locating convex block
It is equipped with corresponding internal thread.
3. a kind of expansion bolt for rolling screen door according to claim 1 combines, it is characterised in that：The positioning groove
It is interior to be equipped with corresponding external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123674.6U CN207470556U (en) | 2017-09-01 | 2017-09-01 | A kind of expansion bolt for rolling screen door combines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123674.6U CN207470556U (en) | 2017-09-01 | 2017-09-01 | A kind of expansion bolt for rolling screen door combines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470556U true CN207470556U (en) | 2018-06-08 |
Family
ID=62268808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721123674.6U Expired - Fee Related CN207470556U (en) | 2017-09-01 | 2017-09-01 | A kind of expansion bolt for rolling screen door combines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470556U (en) |
-
2017
- 2017-09-01 CN CN201721123674.6U patent/CN207470556U/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 |
Granted publication date: 20180608 Termination date: 20190901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |