CN206447050U - A kind of slip-on-welding plate flange hand hole - Google Patents
A kind of slip-on-welding plate flange hand hole Download PDFInfo
- Publication number
- CN206447050U CN206447050U CN201720114833.XU CN201720114833U CN206447050U CN 206447050 U CN206447050 U CN 206447050U CN 201720114833 U CN201720114833 U CN 201720114833U CN 206447050 U CN206447050 U CN 206447050U
- Authority
- CN
- China
- Prior art keywords
- slip
- welding plate
- flange
- plate flange
- hand hole
- 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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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a kind of slip-on-welding plate flange hand hole, include a sealing flange, sealing flange is provided with multiple fastening screws, sealing flange is connected with a connecting cylinder, a fixing collar is provided between sealing flange and connecting cylinder, the other end of connecting cylinder and a slip-on-welding plate flange are welded, the edge of slip-on-welding plate flange is provided with multiple screws, screw is centrosymmetric distribution centered on the center of circle of slip-on-welding plate flange, multiple O-ring seal grooves are additionally provided with around the endoporus of slip-on-welding plate flange, o-ring groove is concentric structure and the center of circle is located on the central shaft of connecting cylinder.The main body of slip-on-welding plate flange hand hole of the present utility model is welded by sealing flange, connecting cylinder and slip-on-welding plate flange, many reinforcements are also provided with the outer wall of the hand hole, these reinforcements can effectively improve the mechanical strength of whole hand hole, so as to substantially increase the overall steadiness of slip-on-welding plate flange hand hole.
Description
Technical field
The utility model is related to a kind of hand hole, more precisely, being a kind of slip-on-welding plate flange hand hole.
Background technology
Hand hole is the manhole reduced, and it is to install, dismantle, clean and repair apparatus interior arrangement that it, which is installed,.Hand hole with
The structure of manhole is essentially identical, and by a short shell ring, lid lastblock blind plate is constituted.Hand hole diameter is generally 150 ~ 250mm, should make
Workman puts on one's gloves and holds the hand of instrument can be conveniently by, and the nominal diameter of standardization hand hole has two kinds of DN150, DN250.
When equipment nominal diameter is more than or equal to 1000mm, manhole is preferably set.
Slip-on-welding plate flange hand hole is one kind in hand hole, and the slip-on-welding plate flange hand hole generally used at present has downhand welding
The weaker shortcoming of flange mechanical robustness, the use to hand hole brings certain potential safety hazard.
Utility model content
The utility model is mainly the technical problem solved present in prior art, so as to provide a kind of with relatively strong firm
The slip-on-welding plate flange hand hole of property.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of slip-on-welding plate flange hand hole, comprising a sealing flange, sealing flange is provided with multiple fastening screws, close
Envelope ring flange is connected with a connecting cylinder, and a fixing collar, the other end of connecting cylinder and one are provided between sealing flange and connecting cylinder
Slip-on-welding plate flange is welded, and the edge of slip-on-welding plate flange is provided with multiple screws, and screw is using the center of circle of slip-on-welding plate flange in
The heart is centrosymmetric distribution, and multiple O-ring seal grooves, o-ring groove are additionally provided with around the endoporus of slip-on-welding plate flange
On the central shaft for being located at connecting cylinder for concentric structure and the center of circle.
As the utility model preferred embodiment, described sealing flange, fixing collar and connecting cylinder is integrally formed.
As the utility model preferred embodiment, the outer wall of described sealing flange, fixing collar and connecting cylinder is provided with
Many reinforcements.
The main body of slip-on-welding plate flange hand hole of the present utility model is welded by sealing flange, connecting cylinder and slip-on-welding plate flange
Connect and form, many reinforcements are also provided with the outer wall of the hand hole, these reinforcements can effectively improve the machinery of whole hand hole
Intensity, so as to substantially increase the overall steadiness of slip-on-welding plate flange hand hole.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram of slip-on-welding plate flange hand hole of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
As shown in figure 1, a kind of slip-on-welding plate flange hand hole 1, comprising a sealing flange 10, sealing flange 10 is provided with
Multiple fastening screws 11, sealing flange 10 is connected with a connecting cylinder 30, and one is provided between sealing flange 10 and connecting cylinder 30
Fixing collar 20, the other end of connecting cylinder 30 is welded with a slip-on-welding plate flange 40, and the edge of slip-on-welding plate flange 40 is provided with multiple
Screw 41, screw 41 is centrosymmetric distribution centered on the center of circle of slip-on-welding plate flange 40, in slip-on-welding plate flange 40
Multiple O-ring seal grooves 50 are additionally provided with around hole, o-ring groove 50 is concentric structure and the center of circle is located at connecting cylinder 30
On central shaft.
Further improved as to the utility model, described sealing flange 10, fixing collar 20 and connecting cylinder 30
It is integrally formed.
Further improved as to the utility model, described sealing flange 10, fixing collar 20 and connecting cylinder 30
Outer wall provided with many reinforcements.
The main body of the slip-on-welding plate flange hand hole of the utility model is welded by sealing flange, connecting cylinder and slip-on-welding plate flange
Connect and form, many reinforcements are also provided with the outer wall of the hand hole, these reinforcements can effectively improve the machinery of whole hand hole
Intensity, so as to substantially increase the overall steadiness of slip-on-welding plate flange hand hole.
Only illustrate mentality of designing of the present utility model in one embodiment above, in the case where system allows,
The utility model can expand to external more functional modules simultaneously, so as to extend its function to greatest extent.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of slip-on-welding plate flange hand hole（1）, it is characterised in that include a sealing flange（10）, sealing flange（10）
It is provided with multiple fastening screws（11）, sealing flange（10）With a connecting cylinder（30）It is connected, sealing flange（10）With connecting
Connect cylinder（30）Between be provided with a fixing collar（20）, connecting cylinder（30）The other end and a slip-on-welding plate flange（40）Welding, plate-type flat
Welding method is blue（40）Edge be provided with multiple screws（41）, screw（41）With slip-on-welding plate flange（40）The center of circle centered on be in center
It is symmetrical, in slip-on-welding plate flange（40）Endoporus around be additionally provided with multiple O-ring seal grooves（50）, o-ring groove
（50）It is located at connecting cylinder for concentric structure and the center of circle（30）Central shaft on.
2. slip-on-welding plate flange hand hole according to claim 1, it is characterised in that described sealing flange（10）Plus
Gu Quan（20）And connecting cylinder（30）It is integrally formed.
3. slip-on-welding plate flange hand hole according to claim 2, it is characterised in that described sealing flange（10）Plus
Gu Quan（20）And connecting cylinder（30）Outer wall provided with many reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720114833.XU CN206447050U (en) | 2017-02-07 | 2017-02-07 | A kind of slip-on-welding plate flange hand hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720114833.XU CN206447050U (en) | 2017-02-07 | 2017-02-07 | A kind of slip-on-welding plate flange hand hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206447050U true CN206447050U (en) | 2017-08-29 |
Family
ID=59667611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720114833.XU Expired - Fee Related CN206447050U (en) | 2017-02-07 | 2017-02-07 | A kind of slip-on-welding plate flange hand hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206447050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829239A (en) * | 2017-02-07 | 2017-06-13 | 兴化市苏星金属制品有限公司 | A kind of slip-on-welding plate flange hand hole |
-
2017
- 2017-02-07 CN CN201720114833.XU patent/CN206447050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829239A (en) * | 2017-02-07 | 2017-06-13 | 兴化市苏星金属制品有限公司 | A kind of slip-on-welding plate flange hand hole |
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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: 20170829 Termination date: 20180207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |