CN203125455U - Flange seal ring dismantling device - Google Patents
Flange seal ring dismantling device Download PDFInfo
- Publication number
- CN203125455U CN203125455U CN 201320088396 CN201320088396U CN203125455U CN 203125455 U CN203125455 U CN 203125455U CN 201320088396 CN201320088396 CN 201320088396 CN 201320088396 U CN201320088396 U CN 201320088396U CN 203125455 U CN203125455 U CN 203125455U
- Authority
- CN
- China
- Prior art keywords
- flange
- valve
- pipe
- flanges
- seal ring
- 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 - Lifetime
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Abstract
The utility model provides a flange seal ring dismantling device. The flange seal ring dismantling device comprises a plurality of full thread screws and a plurality of dismantling plates, wherein the plurality of full thread screws spirally penetrate between a first pipe flange and a first valve flange; and the plurality of dismantling plates are arranged between a second valve flange and a second pipe flange and abut against the full thread screws. The full thread screws are symmetrically arranged on the periphery of the first pipe flange and the periphery of the first valve flange. The dismantling plates are symmetrically arranged on the periphery of the second valve flange and the periphery of the second pipe flange. Nuts matched with the full thread screws are installed on the full thread screws. The nuts are located on the side of the first valve flange close to a valve. The flange seal ring dismantling device effectively overcomes the shortcoming of difficulty in seal ring dismantling caused by axial acting force between valve flanges and pipe flanges in the prior art and is simple in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of sealing ring provision for disengagement, particularly relates to the provision for disengagement of a kind of valve flanges sealing ring.
Background technology
Valve is the control device of fluid circuit, and its basic function is the circulation that switches on or off the pipeline medium, changes the circulation of medium, changes the flow direction of medium, regulates pressure and the flow of medium, the normal operation of the equipment of protection pipeline.When pipe fitting combination, pipeline and the valve of provisional irrigation and drainage pipeline, pumping plant and accessory are connected, often adopt the interface of flange plate type.What adopt between this and the pipeline that flange is connected is that flange connects valve, the interface mounting or dismounting that flange connects easily, maintenance is convenient, is the connected mode that comparatively generally adopts at present.
The junction of valve and pipeline mainly seals by sealing ring, when connecting two flanges, flange sealing surface and sealing ring is evenly compressed, and guarantees thus to utilize identical bolt stress that flange is connected.But when changing sealing ring because the effect of axial stress, cause the flange bolt of dismantling after, sealing ring is difficult to remove under the effect of stress.Therefore need a kind of device of dismantling the flange valve sealing ring, to overcome the stress effect, make things convenient for the dismounting of sealing ring.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of device of dismantling the flange valve sealing ring, is used for solving the problem that the prior art valve sealing ring is difficult to remove under the stress effect.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of device of dismantling the flange valve sealing ring.The provision for disengagement of described flange seal circle comprises: a plurality of full flight screws, coil are located between first pipe flange and first valve flanges; A plurality of strippers are arranged between described second valve flanges and second pipe flange, connect with described full flight screw.
Preferably, described full flight screw symmetric arrangement on the circumference of described first pipe flange and described first valve flanges.
Preferably, described stripper symmetric arrangement on the circumference of described second valve flanges and second pipe flange.
Preferably, be equiped with nut engaged with it on the described full flight screw, described nut is positioned at the close valve side of described first valve flanges.
As mentioned above, the device of dismounting flange valve sealing ring described in the utility model, by stripper and full flight screw are set between valve flanges and pipe flange, axial stress before having overcome between valve flanges and the pipe flange, it is simple in structure, can carry out the sealing ring dismounting quickly and easily.
Description of drawings
Fig. 1 is shown as the structural representation that the flange valve of the device of dismounting flange valve sealing ring of the present utility model is connected with pipeline.
Fig. 2 is shown as the structural representation of the device of dismounting flange valve sealing ring of the present utility model.
The specific embodiment
Below by particular specific embodiment embodiment of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
See also accompanying drawing.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to cooperate specification to disclose only, understand and reading for person skilled in the art scholar, be not in order to limit the enforceable qualifications of the utility model, so technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not influencing under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under no essence change technology contents, when also being considered as the enforceable category of the utility model.
See also Fig. 1 and Fig. 2, be respectively the structural representation of the device of structural representation that the utility model flange valve 1 is connected with pipeline 2 and dismounting flange valve sealing ring.Flange valve of the present utility model 1 two ends have first valve flanges 11 and second valve flanges 12, flange valve 1 is arranged between the pipeline 2 that needs to connect, between first valve flanges 11 and first pipe flange 21, and second all be fastenedly connected by bolt 3 between valve flanges 12 and second pipe flange 22, and flange valve 1 seals by sealing ring 5 with the junction of pipeline 2.Bolt 3 is symmetrically distributed at the circumference of flange valve 1, and when connection and dismounting flange valve 1 and pipeline 2, bolt 3 and nut 31 should evenly be tightened or loosen symmetrically.When needs are changed sealing ring 5, dismantle bolt 3 down earlier symmetrically, but still have axial stress 4 between first valve flanges 11 and first pipe flange, 21, the second valve flanges 12 and second pipe flange 22, because the effect of axial stress 4 is difficult to take out sealing ring 5.
In the present embodiment, this provision for disengagement comprises: two full flight screws 6, and length is greater than the thickness sum of flange valve 1 length overall and first pipe flange 21 or second pipe flange 22; Two strippers 7, can be inserted into first valve flanges 11 and first pipe flange 21, between.Dismantle the sealing ring 5 between second pipe flange 22 and second valve flanges 12 earlier.Two strippers 7 are placed on second pipe flange 22 screwed hole 8 places corresponding with second valve flanges 12 axisymmetrically, two full flight screws 6 corresponding screwed hole 8 on first pipe flange 21 and first valve flanges 11 are screwed out again.First valve flanges 11 near flange valve 1 sides be equiped with can with full flight screw 6 nut engaged 61, guarantee the rigidity of full flight screw 6.Full flight screw 6 continues to screw in the screwed hole 8 of second valve flanges 12 and connects with full flight screw 6.Continue turn full flight screw 6, full flight screw 6 promotes stripper 7, and stripper 7 promotes second pipe flange 22, and the axial stress 4 before second pipe flange 22 overcomes breaks away from sealing ring 5, can carry out the dismounting of sealing ring 5.
In sum, the axial force that the utility model has effectively overcome between valve flanges of the prior art and the pipe flange makes the difficult shortcoming of sealing ring dismounting, and is simple in structure, easy to use.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (4)
1. flange seal circle provision for disengagement is characterized in that, the provision for disengagement of described flange seal circle comprises:
A plurality of full flight screws, coil are located between first pipe flange and first valve flanges;
A plurality of strippers are arranged between described second valve flanges and second pipe flange, connect with described full flight screw.
2. flange seal circle according to claim 1 provision for disengagement is characterized in that: described full flight screw is symmetric arrangement on the circumference of described first pipe flange and described first valve flanges.
3. flange seal circle according to claim 1 provision for disengagement is characterized in that: described stripper is symmetric arrangement on the circumference of described second valve flanges and second pipe flange.
4. flange seal circle according to claim 1 provision for disengagement is characterized in that: be equiped with nut engaged with it on the described full flight screw, described nut is positioned at the close valve side of described first valve flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088396 CN203125455U (en) | 2013-02-26 | 2013-02-26 | Flange seal ring dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088396 CN203125455U (en) | 2013-02-26 | 2013-02-26 | Flange seal ring dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203125455U true CN203125455U (en) | 2013-08-14 |
Family
ID=48933475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088396 Expired - Lifetime CN203125455U (en) | 2013-02-26 | 2013-02-26 | Flange seal ring dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203125455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559398A (en) * | 2022-03-09 | 2022-05-31 | 泰能天然气有限公司 | Pipeline flange opener and butt-clamped valve replacing method |
-
2013
- 2013-02-26 CN CN 201320088396 patent/CN203125455U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559398A (en) * | 2022-03-09 | 2022-05-31 | 泰能天然气有限公司 | Pipeline flange opener and butt-clamped valve replacing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |