CN209602075U - A kind of free Follow-up type seal cap - Google Patents
A kind of free Follow-up type seal cap Download PDFInfo
- Publication number
- CN209602075U CN209602075U CN201822179618.5U CN201822179618U CN209602075U CN 209602075 U CN209602075 U CN 209602075U CN 201822179618 U CN201822179618 U CN 201822179618U CN 209602075 U CN209602075 U CN 209602075U
- Authority
- CN
- China
- Prior art keywords
- return
- air duct
- panel
- seal cap
- flange
- 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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- Closures For Containers (AREA)
Abstract
The utility model discloses a kind of free Follow-up type seal caps, including return-air duct, panel and rubber pad, the return-air duct top is provided with cover flange, the return-air duct bottom end is provided with limit lantern ring, the return-air duct side is equipped with gas phase connecting tube, panel is provided on the return-air duct, and panel is located at below gas phase connecting tube, the panel bottom end is provided with rubber pad, the panel top is equipped with connecting flange, the connecting flange top is equipped with supported flange, the panel and rubber pad are located at return-air duct side and are provided with the identical through-hole of diameter, the panel is located at through hole and is equipped with sealing plate, seal cap is provided in the return-air duct.The utility model, seal cap decline together with tank car, realize sealing of freely following up, and reduce oil gas volatilization, realize petroleum vapor recovery and environmental protection.
Description
Technical field
The utility model relates to oil gas handling equipment technical field, specifically a kind of free Follow-up type seal cap.
Background technique
Oil filling riser currently used for closed loading largely use seal closure and nanubrium fixed form during entrucking by
In the increasing of load-carrying, tank car can decline 3-6cm distance, and conventional hermetic cover can not compensate this portion void, and present oil gas is caused to store up
It runs in industry cargo handling process, oil gas volatilization amount is larger, wastes vast resources, is unfavorable for the popularization of long-term sustainable development and answers
With though the prior art has gas recovery system for oil, handling source not can solve always closed problem, oil gas is caused to return
The effect is unsatisfactory for receipts, and in order to better solve petroleum vapor recovery effect, this free Follow-up type seal closure just can be good at
Solve the problems, such as to encounter in storage and transportation industry it is this, make oil gas less volatile even it is non-volatile.
Utility model content
The purpose of this utility model is to provide a kind of free Follow-up type seal caps, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of free Follow-up type seal cap, including returns
Feed channel, panel and rubber pad, the return-air duct top are provided with cover flange, and the return-air duct bottom end is provided with limit
Lantern ring, the return-air duct side are equipped with gas phase connecting tube, panel are provided on the return-air duct, and panel is located at gas phase
Below connecting tube, the panel bottom end is provided with rubber pad, and the panel top is equipped with connecting flange, the connecting flange top
End is equipped with supported flange, and the panel and rubber pad are located at return-air duct side and are provided with the identical through-hole of diameter, the face
Plate is located at through hole and is equipped with sealing plate, is provided with seal cap in the return-air duct.
Preferably, the limit lantern ring top is provided with limited block, and the limited block extends to inside return-air duct.
Preferably, by being welded and fixed between the cover flange and return-air duct, the gas phase connecting tube and muffler
By being welded and fixed between road.
Preferably, the return-air duct is set as aluminum pipe, and the diameter of the return-air duct is set as 120mm, the return-air
The length of pipeline is set as 360mm.
Preferably, it is fixed between the panel and rubber pad by hex bolts and hex nut.
Preferably, gasket one, the supported flange and connection method are provided between the supported flange and connecting flange
It is fixed by soket head cap screw one between orchid.
Preferably, it is provided with gasket two between the sealing plate and panel, passes through interior hexagonal between the sealing plate and panel
Screw two is fixed.
Compared with prior art, the utility model has the beneficial effects that the muffler of special return-air is arranged in the utility model
Road, seal cap are designed to special limit lantern ring and limited block can be arranged in the form that return-air duct slides up and down；When entrucking
When, first seal cap and tank car mouth are laid flat, then entrucking is started after the locking locking of oil filling riser outer arm, since the loading of freight waggon increases, slot
Vehicle starts to sink, and seal cap declines together with tank car, realizes sealing of freely following up, and reduces oil gas volatilization, realizes petroleum vapor recovery
And environmental protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the partial structural diagram at the utility model A.
Fig. 4 is the cross-sectional view at the utility model B-B.
In figure: 1, cover flange；2, return-air duct；3, gas phase connecting tube；4, soket head cap screw one；5, supported flange；6,
Gasket one；7, connecting flange；8, panel；9, rubber pad；10, limited block；11, lantern ring is limited；12, gasket two；13, it seals
Plate；14, soket head cap screw two；15, hex nut.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, in the utility model embodiment, a kind of free Follow-up type seal cap, including return-air duct 2, face
Plate 8 and rubber pad 9,2 top of return-air duct are provided with cover flange 1, and 2 bottom end of return-air duct is provided with limit lantern ring 11, return-air
2 side of pipeline is equipped with gas phase connecting tube 3, and 50 hole Φ is first opened on return-air duct 2, and then gas phase connecting tube 3 and pipe are welded again
It connects；Panel 8 being provided on return-air duct 2, and panel 8 is located at 3 lower section of gas phase connecting tube, 8 bottom end of panel is provided with rubber pad 9,
8 top of panel is equipped with connecting flange 7, and 7 top of connecting flange is equipped with supported flange 5, and panel 8 and rubber pad 9 are located at return-air
2 side of pipeline is provided with the identical through-hole of diameter, and panel 8 is located at through hole and is equipped with sealing plate 13, the setting of limit 11 top of lantern ring
There is limited block 10, limited block 10 extends to inside return-air duct 2, by being welded and fixed between cover flange 1 and return-air duct 2,
By being welded and fixed between gas phase connecting tube 3 and return-air duct 2, return-air duct 2 is set as aluminum pipe, and the diameter of return-air duct 2 is set
It is set to 120mm, the length of return-air duct 2 is set as 360mm, passes through hex bolts and hexagonal spiral shell between panel 8 and rubber pad 9
Mother 15 is fixed, and gasket 1 is provided between supported flange 5 and connecting flange 7, leads between supported flange 5 and connecting flange 7
It is fixed to cross soket head cap screw 1, gasket 2 12 is provided between sealing plate 13 and panel 8, by interior between sealing plate 13 and panel 8
Hex screw 2 14 is fixed, and seal cap is provided in return-air duct 2, and seal cap uses plate or pyramidal structure.
The working principle of the utility model is: the return-air duct 2 of special return-air is arranged, seal cap is designed to can be in muffler
Special limit lantern ring 11 and limited block 10 is arranged in the form that road 2 slides up and down；When entrucking, first seal cap and tank
Vehicle mouth is laid flat, then entrucking is started after the locking locking of oil filling riser outer arm, since the loading of freight waggon increases, tank car starts to sink, seal cap with
Tank car decline together, realization freely follow up sealing, reduction oil gas volatilization, realization petroleum vapor recovery and environmental protection.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of free Follow-up type seal cap, including return-air duct (2), panel (8) and rubber pad (9), it is characterised in that: described
Return-air duct (2) top is provided with cover flange (1), and return-air duct (2) bottom end, which is provided with, limits lantern ring (11), and described time
Feed channel (2) side is equipped with gas phase connecting tube (3), is provided with panel (8) on the return-air duct (2), and panel (8) is located at
Below gas phase connecting tube (3), panel (8) bottom end is provided with rubber pad (9), and panel (8) top is equipped with connection method
Blue (7), connecting flange (7) top are equipped with supported flange (5), and the panel (8) and rubber pad (9) are located at return-air duct
(2) side is provided with the identical through-hole of diameter, and the panel (8) is located at through hole and is equipped with sealing plate (13), the return-air duct
(2) seal cap is provided in.
2. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: limit lantern ring (11) top
It is provided with limited block (10), it is internal that the limited block (10) extends to return-air duct (2).
3. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: the cover flange (1) and return
By being welded and fixed between feed channel (2), by being welded and fixed between the gas phase connecting tube (3) and return-air duct (2).
4. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: return-air duct (2) setting
For aluminum pipe, the diameter of the return-air duct (2) is set as 120mm, and the length of the return-air duct (2) is set as 360mm.
5. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: the panel (8) and rubber pad
(9) fixed by hex bolts and hex nut (15) between.
6. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: the supported flange (5) and company
It is provided with gasket one (6) between acting flange (7), passes through soket head cap screw between the supported flange (5) and connecting flange (7)
One (4) are fixed.
7. a kind of free Follow-up type seal cap according to claim 1, it is characterised in that: the sealing plate (13) and panel
(8) gasket two (12) is provided between, it is fixed by soket head cap screw two (14) between the sealing plate (13) and panel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179618.5U CN209602075U (en) | 2018-12-25 | 2018-12-25 | A kind of free Follow-up type seal cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179618.5U CN209602075U (en) | 2018-12-25 | 2018-12-25 | A kind of free Follow-up type seal cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209602075U true CN209602075U (en) | 2019-11-08 |
Family
ID=68398333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822179618.5U Expired - Fee Related CN209602075U (en) | 2018-12-25 | 2018-12-25 | A kind of free Follow-up type seal cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209602075U (en) |
-
2018
- 2018-12-25 CN CN201822179618.5U patent/CN209602075U/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: 20191108 Termination date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |