CN201747922U - Flange sealing device - Google Patents
Flange sealing device Download PDFInfo
- Publication number
- CN201747922U CN201747922U CN2010202244169U CN201020224416U CN201747922U CN 201747922 U CN201747922 U CN 201747922U CN 2010202244169 U CN2010202244169 U CN 2010202244169U CN 201020224416 U CN201020224416 U CN 201020224416U CN 201747922 U CN201747922 U CN 201747922U
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- Prior art keywords
- flange
- chuck jaws
- chuck
- jaws device
- blind flange
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- Expired - Fee Related
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Abstract
The utility model provides a flange sealing device, which is used for sealing an opening hole on the wall. The flange sealing device comprises a flange cover (100), a chuck jaw device (200) which is coaxial with the flange cover (100), and a connecting part (400) connecting the flange cover (100) and the chuck jaw device (200) along a center axis (L) of the flange cover (100). The chuck jaw device (200) comprises a middle chuck (210), and a plurality of jaws (220) arranged around the chuck (210); the jaws (220) are hinged with the chuck (210) and can turn towards the flange cover (100). The flange sealing device has compactness of structure, simpleness of operation and convenience of maintenance.
Description
Technical field
The utility model relates to a kind of flange sealer, relates in particular to the flange sealer that the opening on the wall is sealed.
Background technique
In industrial use, need be very general to the situation that the wall opening hole seals.In existing flange sealer, seal ring is inserted in generally evenly boring on blind flange and perforated wall circumference in the blind flange, then by a plurality of screws are screwed in the above-mentioned boring, make blind flange compress seal ring and reach sealing effect.Owing to need on wall, hole, when wall thickness is little, can't guarantee effectively to tighten screw, at this moment generally to increase this part wall thickness and increase drilling depth indirectly by welding, like this certainly will be owing to the more material of needs causes waste; And also cause the not attractive in appearance of outward appearance at the wall surface welding consumables; The screw of this device is more simultaneously, screws and dismantle comparatively loaded down with trivial details.
Also have a kind of flange sealer in improved prior art, the chuck and the claw of this device are as a whole, need be sidelong when putting into claw to slide into the wall opening hole, and alignment flange lid is tightened screw and sealed then, and operation is inconvenience relatively.And, to tighten or unscrewing in the process of screw, chuck rotates easily with respect to screw, and operation is inconvenience and very time-consuming very.Simultaneously, when tightening screw, screw head rotates with respect to seal ring, and seal ring is had than galling, shortens the working life of sealing circle.
The model utility content
In order to overcome deficiency of the prior art, the utility model provides a kind of novel flange sealer, its compact structure, easy to use and be convenient to the maintenance.
The utility model provides a kind of flange sealer, is used for the open pore on the wall is sealed, and it is characterized in that, described flange sealer comprises: blind flange; The chuck jaws device is with the coaxial setting of described blind flange; And link, along the central axis of described blind flange described blind flange and described chuck jaws device are coupled together, wherein, described chuck jaws device comprises: middle chuck; And a plurality of claws, arrange that around described chuck described claw and described chuck are hinged, and can pivot towards described blind flange.
Further, this flange sealer also comprises a plurality of Returnning springs, and each Returnning spring all is connected between corresponding claw and the described chuck.Further, each Returnning spring all is connected between corresponding claw and the described chuck by threaded connector (such as bolt and nut).
Alternatively, this flange sealer comprises a Returnning spring, and described Returnning spring is folded between the described claw of described blind flange and described chuck jaws device.
Further, described blind flange is provided with the locating slot that centers on described central axis towards the sidepiece of described chuck jaws device, and described Returnning spring is placed in the described locating slot.
Further, described blind flange is provided with flange around described central axis towards the sidepiece of described chuck jaws device, the size of described flange be designed to described wall on the aperture of open pore be complementary.
Further, described link is a screw, and described screw is arranged in the tapped hole of counterbore on the described blind flange and described chuck jaws device and described blind flange is connected with described chuck jaws device.
Further, be provided with seal ring between described screw and the described counterbore, be provided with packing ring between described screw and the described seal ring.
Further, described flange sealer also comprises stop dog component, described stop dog component stops described chuck jaws device to rotate around described central axis, and described stop dog component comprises: pin, stretched out by the sidepiece of described blind flange towards described chuck jaws device; And the backstop hole, be arranged on the described chuck jaws device and hold described pin.
Alternatively, described flange sealer also comprises stop dog component, described stop dog component stops described chuck jaws device to rotate around described central axis, and described stop dog component comprises near the open pore that is arranged on described wall and centers on the stop block of the end of a claw.
Alternatively, described flange sealer also comprises stop dog component, described stop dog component stops described chuck jaws device to rotate around described central axis, described stop dog component comprises: one or more backstop axles are arranged near the open pore on the described wall and between two adjacent claws of described chuck jaws device.And further, the quantity of described backstop axle is two.
According to flange sealer of the present utility model, can realize following advantage:
1), and under elastic component effects such as Returnning spring, can automatically reset afterwards because claw can pivot towards chuck, thereby the chuck jaws device just need not to be sidelong when entering the wall opening hole and can directly enter the wall opening hole;
2), thereby be easy to realize the location of flange sealer because blind flange is provided with the flange that cooperates with the wall opening hole;
3) owing to the installation that can realize flange sealer by a screw, simple to operate;
4) owing to be provided with stop dog component, thereby during the installation and removal flange sealer, can effectively stop the chuck jaws device, avoid installation and removal are impacted with screw turns;
5) owing to Returnning spring being connected between chuck and the claw, so can adjust the distance of Returnning spring apart from chuck surface and jaw surface, the effectively phenomenon of avoiding claw to reset by threaded connector such as bolt and nut;
6), thereby can guarantee effectively that Returnning spring provides reposition force to claw owing to be provided with the locating slot of ccontaining Returnning spring by the blind flange surface; And
7), thereby can alleviate the wearing and tearing that screw causes seal ring in rundown process owing between screw and seal ring, be provided with packing ring.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, above-mentioned and others of the present utility model, feature and other advantage will be understood better, in the accompanying drawing:
Fig. 1 is the decomposing schematic representation according to an embodiment's of the utility model flange sealer;
Fig. 2 is the schematic representation that the structure of flange among Fig. 1 is shown;
Fig. 3 is the schematic representation that the structure of chuck jaws device among Fig. 1 is shown;
Fig. 4 schematically shows the structural representation according to another embodiment's of the utility model flange sealer;
Fig. 5 shows according to the utility model schematic representation of the stop dog component of an embodiment flange sealer again; And
Fig. 6 shows the schematic representation according to the stop dog component of the another embodiment's of the utility model flange sealer.
Embodiment
Below in conjunction with accompanying drawing, further describe embodiment of the present utility model.Yet the utility model can be with a lot of multi-form enforcements, the embodiment that should not be understood that to only limit to here and presented.On the contrary, provide these embodiments, made that the disclosure is comprehensive and complete, and all sidedly scope of the present utility model has been conveyed to those skilled in the art.
Fig. 1 shows the flange sealer 10 according to an embodiment of the utility model, and it is used for the open pore (for clarity sake, not shown this wall and open pore thereof) on the sealed wall; Fig. 2 shows the schematic structure of blind flange 100 among Fig. 1; And Fig. 3 shows the schematic structure of chuck jaws device 200 among Fig. 1.Comprise according to flange sealer 10 of the present utility model: blind flange 100, the side that it has axis L and is positioned at the wall opening hole; Chuck jaws device 200, coaxial and be positioned at the opposite side in wall opening hole with blind flange 100; And link, along axis L blind flange 100 closely is connected to realize the sealing to open pore with chuck jaws device 200.In this embodiment, link is a screw 400, its pass blind flange 100 the center counterbore 140 (as shown in Figure 2) and engage with the tapped hole 240 (as shown in Figure 3) of the center of chuck jaws device 200, to realize sealing to open pore.As will be understood by the skilled person in the art, between this screw 400 and counterbore 140, be provided with seal ring 410.Screw head also is provided with packing ring 420 to the wearing and tearing of seal ring 410 in the screw-driving process between screw 400 and seal ring 410 in order to alleviate.
Unlike the prior art, in according to flange sealer 10 of the present utility model, as shown in Figure 3, chuck jaws device 200 comprises middle chuck 210 and a plurality of claws 220 of arranging around chuck 210, these claws 220 are being articulated in chuck 210 towards the mode that blind flange 100 pivots (shown in arrow R among Fig. 3), specifically in this embodiment, these claws 220 are articulated in chuck 210 by the threaded connector 250 such as bolt and nut.Also unlike the prior art, in according to flange sealer 10 of the present utility model, as shown in Figure 1, also be provided with elastic component, it and can provide the reseting torque opposite with the R direction to claw 220 between blind flange 100 and chuck jaws device 200.According to flange sealer of the present utility model, claw 220 can and reset under the elastic component effect with respect to chuck 210 unidirectional pivots, and its mechanical position limitation when counterrotating.
Specifically in the embodiment shown in this Fig. 1-3, as shown in Figure 3, this elastic component comprises a plurality of Returnning springs 300 of connection, and each Returnning spring 300 all is connected between corresponding claw 220 and the chuck 210 by the threaded connector 212 and 222 such as bolt and nut.Be stretched along the Returnning spring 300 when blind flange 100 pivots of direction shown in the arrow R among Fig. 3 when claw 220 is stressed; After chuck jaws device 200 entered open pore fully, Returnning spring 300 applied reseting torque along the opposite direction with direction shown in the arrow R to claw 220, and claw 220 resets.Wherein, owing to adopt threaded connector 212 to be connected Returnning spring, make it possible to regulate the distance of Returnning spring, thereby prevent that claw from can't reset because of angle of swing is excessive apart from the chuck jaws device with 222.
As shown in Figure 2, in this embodiment, blind flange 100 is provided with flange 110 around axis L on the side surface 102 of chuck jaws device 200, the aperture in the size of this flange 110 and wall opening hole is complementary, thus the location that is easy to realize flange sealer 10.Also be formed with groove 130 on the part that is positioned at flange 110 outsides of this side surface 102, seal ring 600 is contained in this groove 130 so that the wall opening hole is formed good sealing.
In according to flange sealer 10 of the present utility model, also be provided with stop dog component 500, it is used for screw 400 and stops chuck jaws device 200 to influence installation and removal with screw 400 rotations in rundown process.Specifically at Fig. 1 to the embodiment shown in Figure 3, as shown in Figures 2 and 3, this stop dog component 500 comprises: pin 120, stretch out by the side surface 102 of blind flange 100; Backstop hole (not shown) is arranged on the chuck jaws device 200, and when mounted, pin 120 is inserted in this backstop hole, thereby has avoided the rotation of chuck jaws device 200.
Figure 4 shows that structural representation according to another embodiment's of the utility model flange sealer 10 '.This flange sealer 10 ' is extremely embodiment illustrated in fig. 3 basic identical with Fig. 1, and its main distinction is, the structure difference of elastic component.Particularly, during this is embodiment illustrated in fig. 4, elastic component comprises the Returnning spring 300 ' that is folded between blind flange 100 and the chuck jaws device 200, on the side surface 102 of blind flange 100 the locating slot (not shown) can be set, with location and ccontaining this Returnning spring 300 '.When claw 220 is compressed along the Returnning spring 300 ' when blind flange 100 pivots of direction shown in the arrow R ' among Fig. 4; After chuck jaws device 200 entered open pore fully, Returnning spring 300 ' applied elastic reset moment along the opposite direction with direction shown in the arrow R ' to claw 220, so that claw resets.
Figure 5 shows that according to the utility model schematic representation of the stop dog component of an embodiment flange sealer again.In this embodiment, stop dog component comprises the stop block 510 that is provided with around the end of a claw, this stop block can be fixed on around the wall opening hole, thereby stops during tightening and unscrewing screw 400, and chuck jaws device 200 rotates around axis L with screw 400 influences installation and removal.
Figure 6 shows that schematic representation according to the stop dog component of the another embodiment's of the utility model flange sealer.In this embodiment, stop dog component comprises and is fixed on around the wall opening hole and the backstop axle 510 ' between two adjacent claws 220 of chuck jaws device 200.Preferably, in this embodiment, be provided with two backstop axles 510 ', and as will be understood by the skilled person in the art, the angle between the line at the center of these two backstop axles 510 ' and chuck jaws device 200 can be set according to the angle between two adjacent claws 220.
Operation according to flange sealer of the present utility model is described to embodiment illustrated in fig. 3 below in conjunction with Fig. 1.
When this flange sealer 10 is installed, earlier blind flange 100 and chuck jaws device 200 are coupled together by screw 400, the pin 120 of blind flange 100 is inserted in the backstop hole 214 of chuck jaws devices 200; Side from the wall opening hole moves the axial direction of this flange sealer along the wall opening hole then, because the overall diameter of chuck jaws device 200 is greater than the diameter in wall opening hole, thereby claw 220 contacts with the open pore perimeter wall when entering the wall opening hole, this moment, claw 220 pivoted along direction shown in the arrow R with respect to chuck 210, along with flange sealer 10 continues to move, claw 220 pivoting angles increase gradually; When chuck jaws device 200 passes the wall opening hole and is positioned at opposite side, claw 220 is under the reseting torque effect of Returnning spring 300, around threaded connector 250 reverse pivots, and stopping to pivot by mechanical position limitation returns to original position, and promptly this moment, chuck jaws device 200 overall diameter was greater than the diameter in wall opening hole; When the fast contact of blind flange 100 wall opening holes,, easily realize the applying of blind flange 100 and opening hole wall by cooperating of the annular flange flange on the blind flange 100 and wall opening hole; Afterwards, pin blind flange 100, tighten screw 400, chuck jaws device 200 moves and can not rotate to blind flange 100 along pin 120, final chuck jaws device 200 and blind flange 100 tightly are fitted in both sides, wall opening hole, seal ring 600 by in seal ring 410 between packing washer 420 and the blind flange counterbore and the blind flange groove 130 reaches sealing effect.
When to these flange sealer 10 dismountings, pin blind flange 100, unscrew screw 400, chuck jaws device 200 along pin 120 away from blind flange 100, when distance between blind flange 400 and chuck jaws device 200 increases to a certain degree, this chuck jaws device of lateral deflection is with its taking-up.
Though the utility model is described in conjunction with being considered to practical example embodiment at present, yet, those skilled in the art will appreciate that the utility model is not limited to disclosed exemplary embodiment.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a flange sealer is used for the open pore on the wall is sealed, and it is characterized in that, described flange sealer (10) comprising:
Blind flange (100);
Chuck jaws device (200), with the coaxial setting of described blind flange (100), described chuck jaws device (200) comprising: middle chuck (210) and a plurality of claw (220), arrange around described chuck (210), described claw (220) is hinged with described chuck (210), and can pivot towards described blind flange (100);
And link (400), along the central axis (L) of described blind flange (100) described blind flange (100) and described chuck jaws device (200) are coupled together.
2. flange sealer according to claim 1 is characterized in that, also comprises a plurality of Returnning springs (300), and each Returnning spring (300) all is connected between corresponding claw (220) and the described chuck (210).
3. flange sealer according to claim 2 is characterized in that, each Returnning spring (300) all is connected between corresponding claw (220) and the described chuck (210) by threaded connector (212,222).
4. flange sealer according to claim 1, it is characterized in that, also comprise a Returnning spring (300 '), described Returnning spring (300 ') is folded between the described claw (220) of described blind flange (100) and described chuck jaws device (200).
5. flange sealer according to claim 4, it is characterized in that, described blind flange (100) is provided with the locating slot that centers on described central axis (L) towards the sidepiece (102) of described chuck jaws device (200), and described Returnning spring (300 ') is placed in the described locating slot.
6. flange sealer according to claim 1, it is characterized in that, described blind flange (100) is provided with flange (110) around described central axis (L) towards the sidepiece (102) of described chuck jaws device (200), the size of described flange (110) be designed to described wall on the aperture of open pore be complementary.
7. flange sealer according to claim 1, it is characterized in that, described link (400) is a screw, and described screw is arranged in the tapped hole (240) of counterbore (140) on the described blind flange (100) and described chuck jaws device (200) and described blind flange (100) is connected with described chuck jaws device (200).
8. flange sealer according to claim 7 is characterized in that, is provided with seal ring (410) between described screw and the described counterbore (140), is provided with packing ring (420) between described screw and the described seal ring (410).
9. according to claim 1 or 7 described flange sealers, it is characterized in that, described flange sealer also comprises stop dog component (500), and described stop dog component (500) stops described chuck jaws device (200) to rotate around described central axis (L), and described stop dog component (500) comprising:
Pin (120) is stretched out by the sidepiece (102) of described blind flange (100) towards described chuck jaws device (200);
And the backstop hole, be arranged on described chuck jaws device (200) and go up and hold described pin (120).
10. according to claim 1 or 7 described flange sealers, it is characterized in that, described flange sealer also comprises stop dog component (500), described stop dog component (500) stops described chuck jaws device (200) to rotate around described central axis (L), described stop dog component (500) comprises near the open pore that is arranged on described wall and centers on the stop block (510) of the end of a claw (220), perhaps, described stop dog component (500) comprises near the open pore that is arranged on the described wall and is positioned at one or more backstop axles (510 ') between two adjacent claws (220) of described chuck jaws device (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244169U CN201747922U (en) | 2010-06-12 | 2010-06-12 | Flange sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244169U CN201747922U (en) | 2010-06-12 | 2010-06-12 | Flange sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747922U true CN201747922U (en) | 2011-02-16 |
Family
ID=43582600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202244169U Expired - Fee Related CN201747922U (en) | 2010-06-12 | 2010-06-12 | Flange sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278471A (en) * | 2011-07-13 | 2011-12-14 | 河南师范大学 | Plugging bolt |
-
2010
- 2010-06-12 CN CN2010202244169U patent/CN201747922U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278471A (en) * | 2011-07-13 | 2011-12-14 | 河南师范大学 | Plugging bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20160612 |