CN2823638Y - Expansion pipe for expansion screw - Google Patents
Expansion pipe for expansion screw Download PDFInfo
- Publication number
- CN2823638Y CN2823638Y CN 200520062281 CN200520062281U CN2823638Y CN 2823638 Y CN2823638 Y CN 2823638Y CN 200520062281 CN200520062281 CN 200520062281 CN 200520062281 U CN200520062281 U CN 200520062281U CN 2823638 Y CN2823638 Y CN 2823638Y
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- CN
- China
- Prior art keywords
- intumescent sheet
- intumescent
- expansion
- utility
- model
- 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 expansion tube of setscrew, the intumescent sheet of this expansion tube stressed more evenly, easier expansion and do not influence its soundness.The utility model comprises the base of a hollow and several intumescent sheets, and intumescent sheet is fixedly installed on the base, suitable distance is arranged between each intumescent sheet and does not connect mutually, and wherein, the number of intumescent sheet is 6.Through test, 6 intumescent sheets are more reasonable than the intumescent sheet of other quantity, compare with original setscrew, use setscrew of the present utility model, and its construction is lighter, and construction quality is better, and safety coefficient is higher.
Description
Technical field
The utility model relates to a kind of expansion tube of setscrew, relate in particular to a kind of intumescent sheet stressed more evenly, easier expansion and do not influence the expansion tube of the setscrew of its soundness, belong to the manufacture field of hardware fitting.
Background technique
The application of setscrew in life is more extensive, such as waiting and just need use it in that hook firmly is installed within the walls.Since need have bigger bearing capacity at the hook of installing within the walls, need be very firm so install.The principle of setscrew is to apply external force the intumescent sheet of expansion tube is expanded to the periphery, thereby " reversal of the natural order of things " reaches the purpose of firm installation within the walls.
Existing setscrew, the number of the intumescent sheet of its expansion tube is generally 3 or 4, the width of this intumescent sheet is bigger, the defective of the expansion tube that this intumescent sheet number is on the low side is: because the base of expansion tube is fixedlyed connected as a whole with intumescent sheet, so under the effect of the stress of intumescent sheet own, intumescent sheet needs very big external force to expand, and makes relatively effort of its construction; On the other hand,, may cause intumescent sheet also thoroughly not expand and just finish construction, cause expansion effect not good owing to above reason, thus the potential safety hazard of staying.
Summary of the invention
The purpose of this utility model is exactly the expansion tube that a kind of setscrew is provided in order to address the above problem, the intumescent sheet of this expansion tube stressed more evenly, easier expansion and do not influence its soundness.
In order to achieve the above object, the utility model is realized in the following ways:
The utility model comprises the base of a hollow and several intumescent sheets, and intumescent sheet is fixedly installed on the base, suitable distance is arranged between each intumescent sheet and does not connect mutually, and wherein, the number of intumescent sheet is 6.
Through test, 6 intumescent sheets are more reasonable than the intumescent sheet of other quantity, it shows as: the width of intumescent sheet is narrower (if the number of intumescent sheet is too many, its width is too narrow, just easy and base ruptures, reduce its Security), so the stress of intumescent sheet itself is less, intumescent sheet does not need very big external force just can expand; On the other hand, owing to above reason, the intumescent sheet ratio is easier to thorough expanding, and intumescent sheet generally can not occur and also thoroughly not expand the phenomenon that just finishes construction, so expansion effect is better.
As further improvement of the utility model, the width of each intumescent sheet is different.Can in the extremely short time, allow the less intumescent sheet of width expand earlier like this, expand behind the bigger intumescent sheet of width, thus more laborsaving, make its construction lighter.
The beneficial effects of the utility model are:
In sum, compare with original setscrew, use setscrew of the present utility model, its construction is lighter, and construction quality is better, and safety coefficient is higher.
Description of drawings
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is a plan view of the present utility model;
Fig. 3 is user mode figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described in detail:
As depicted in figs. 1 and 2, the utility model comprises base 2 and several intumescent sheets 1 of a hollow, and intumescent sheet 1 is fixedly installed on the base 2, suitable distance is arranged between each intumescent sheet 1 and does not connect mutually, and wherein, the number of intumescent sheet 1 is 6.
As can be seen from Figure 2, as further improvement of the utility model, the width of each intumescent sheet 1 is different.Can allow the less intumescent sheet 1 of width expand earlier like this in the extremely short time, expand in intumescent sheet 1 back that width is bigger, thereby more laborsaving, makes its construction lighter.
As shown in Figure 3, when using, the utility model 3 is set on the expansion rod 5, and the end face of expansion cap 4 is bigger, and the attachment portion between itself and the expansion rod 5 is a smooth bevel.During construction, external force is applied on the expansion cap 4, expansion cap 4 is advanced to the utility model 3, smooth bevel between expansion cap 4 and the expansion rod 5 produces outside expansive force to the intumescent sheet 1 of the utility model 3, because the width of intumescent sheet 1 is narrower, the stress of intumescent sheet 1 itself is less, does not also thoroughly expand so intumescent sheet 1 does not need very big external force just can expand, and reaches good expansion effect and construction quality.
Claims (2)
1, a kind of expansion tube of setscrew comprises the base of a hollow and several intumescent sheets, and intumescent sheet is fixedly installed on the base, suitable distance is arranged between each intumescent sheet and does not connect mutually, and it is characterized in that: the number of intumescent sheet is 6.
2, the expansion tube of setscrew as claimed in claim 1 is characterized in that: the width of each intumescent sheet is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520062281 CN2823638Y (en) | 2005-08-04 | 2005-08-04 | Expansion pipe for expansion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520062281 CN2823638Y (en) | 2005-08-04 | 2005-08-04 | Expansion pipe for expansion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823638Y true CN2823638Y (en) | 2006-10-04 |
Family
ID=37032750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520062281 Expired - Fee Related CN2823638Y (en) | 2005-08-04 | 2005-08-04 | Expansion pipe for expansion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823638Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233957A (en) * | 2013-05-10 | 2013-08-07 | 江苏永昊高强度螺栓有限公司 | Anti-slipping expansion bolt |
| CN113565841A (en) * | 2021-08-11 | 2021-10-29 | 上海弟哥智能家居有限公司 | Hidden furniture board connecting piece |
-
2005
- 2005-08-04 CN CN 200520062281 patent/CN2823638Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233957A (en) * | 2013-05-10 | 2013-08-07 | 江苏永昊高强度螺栓有限公司 | Anti-slipping expansion bolt |
| CN113565841A (en) * | 2021-08-11 | 2021-10-29 | 上海弟哥智能家居有限公司 | Hidden furniture board connecting piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 |