CN207673691U - A kind of venting of dust explosion screw - Google Patents
A kind of venting of dust explosion screw Download PDFInfo
- Publication number
- CN207673691U CN207673691U CN201721841838.9U CN201721841838U CN207673691U CN 207673691 U CN207673691 U CN 207673691U CN 201721841838 U CN201721841838 U CN 201721841838U CN 207673691 U CN207673691 U CN 207673691U
- Authority
- CN
- China
- Prior art keywords
- bolt sleeve
- venting
- utility
- model
- dust explosion
- 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 is related to a kind of venting of dust explosion screws, including self-tapping screw, embodiment in which top gasket group, bottom gasket and bolt sleeve, the bolt sleeve is set on the self-tapping screw, the embodiment in which top gasket group and the bottom gasket are respectively arranged on the upper and lower part of the bolt sleeve and the bolt sleeve can slidably reciprocate between the embodiment in which top gasket group and the bottom gasket, and the embodiment in which top gasket group includes sheet metal and non-metal plate.Compared with the prior art, the beneficial effects of the utility model are：When pressure is more than that 250kPa rear bolts automatically disengage color steel, elimination explosion hidden danger, easy to use in time, has practicability.
Description
Technical field
The utility model is related to screw technical field more particularly to a kind of venting of dust explosion screws.
Background technology
Chromatic steel sandwich plate is a kind of product common in current construction material, and chromatic steel sandwich plate is by upper layer and lower layer metal decking
It is suppressed with the heat-insulated inner core of middle level macromolecule.In the prior art when building movable dwellings etc. due to lacking auxiliary tool,
It is easy because of the excessive generation explosion hidden danger of pressure during building construction.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of venting of dust explosion screw, to solve deficiency in the prior art.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions：
A kind of venting of dust explosion screw, including self-tapping screw, embodiment in which top gasket group, bottom gasket and bolt sleeve, the bolt are provided
Casing is set on the self-tapping screw, and the embodiment in which top gasket group and the bottom gasket are respectively arranged on the top of the bolt sleeve
And lower part and the bolt sleeve can slidably reciprocate between the embodiment in which top gasket group and the bottom gasket, the embodiment in which top gasket
Group includes sheet metal and non-metal plate.
Above-mentioned venting of dust explosion screw, wherein the embodiment in which top gasket group includes sheet rubber and aluminium foil.
Above-mentioned venting of dust explosion screw, wherein the internal diameter of the self-tapping screw be 60mm, length 100mm, the bolt sleeve
Internal diameter is 125mm, length 900mm.
Compared with the prior art, the beneficial effects of the utility model are：
When pressure is more than that 250kPa rear bolts automatically disengage color steel, elimination explosion hidden danger, easy to use in time, has real
The property used.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 shows the structural schematic diagram of the utility model venting of dust explosion screw.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Refering to what is shown in Fig. 1, the utility model venting of dust explosion screw includes self-tapping screw 1, embodiment in which top gasket group 2, bottom gasket 3 and spiral shell
Bolt casing 4, bolt sleeve 4 are set on self-tapping screw 1, and embodiment in which top gasket group 2 and bottom gasket 3 are respectively arranged on the upper of bolt sleeve 4
Portion and lower part and bolt sleeve 4 can slidably reciprocate between embodiment in which top gasket group 2 and bottom gasket 3, embodiment in which top gasket group 2 include metal
Piece and non-metal plate.In the technical program, embodiment in which top gasket group 2 includes sheet rubber and aluminium foil, and the internal diameter of self-tapping screw 1 is
The internal diameter of 60mm, length 100mm, bolt sleeve 4 are 125mm, length 900mm.
From above-described embodiment as can be seen that the advantage of the utility model is：
When pressure is more than that 250kPa rear bolts automatically disengage color steel, elimination explosion hidden danger, easy to use in time, has real
The property used.
Specific embodiment of the utility model is described in detail above, but the utility model be not restricted to it is above
The specific embodiment of description, is intended only as example.To those skilled in the art, it any equivalent modifications and substitutes also all
Among the scope of the utility model.Therefore, impartial conversion made under the spirit and scope for not departing from the utility model
And modification, should all it cover in the scope of the utility model.
Claims (3)
1. a kind of venting of dust explosion screw, which is characterized in that described including self-tapping screw, embodiment in which top gasket group, bottom gasket and bolt sleeve
Bolt sleeve is set on the self-tapping screw, and the embodiment in which top gasket group and the bottom gasket are respectively arranged on the bolt sleeve
The upper and lower part and bolt sleeve can slidably reciprocate between the embodiment in which top gasket group and the bottom gasket, the top
Gasket group includes sheet metal and non-metal plate.
2. venting of dust explosion screw as described in claim 1, which is characterized in that the embodiment in which top gasket group includes sheet rubber and aluminium foil.
3. venting of dust explosion screw as described in claim 1, which is characterized in that the internal diameter of the self-tapping screw is 60mm, and length is
The internal diameter of 100mm, the bolt sleeve are 125mm, length 900mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841838.9U CN207673691U (en) | 2017-12-26 | 2017-12-26 | A kind of venting of dust explosion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841838.9U CN207673691U (en) | 2017-12-26 | 2017-12-26 | A kind of venting of dust explosion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673691U true CN207673691U (en) | 2018-07-31 |
Family
ID=62971425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721841838.9U Expired - Fee Related CN207673691U (en) | 2017-12-26 | 2017-12-26 | A kind of venting of dust explosion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673691U (en) |
-
2017
- 2017-12-26 CN CN201721841838.9U patent/CN207673691U/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: 20180731 Termination date: 20201226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |