CN218625888U

CN218625888U - Connecting flange with good sealing performance

Info

Publication number: CN218625888U
Application number: CN202223212208.9U
Authority: CN
Inventors: 刘华; 胡志梁
Original assignee: Yancheng Zhongchang Precision Forging Co ltd
Current assignee: Yancheng Zhongchang Precision Forging Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a flange technical field just discloses a flange that leakproofness is good, including first flange and second flange, one side swing joint of first flange has the connecting rod, the outer wall swing joint of connecting rod has first removable nut, the inner wall swing joint of first flange has first seal cover, one side fixedly connected with connecting block of first seal cover, one side fixedly connected with sub-magnet of connecting block, one side fixedly connected with lug of first seal cover, the inner wall swing joint of second flange has the second seal cover, the spread groove has been seted up to one side of second seal cover. This flange that leakproofness is good can make the flange improve between the leakproofness after connecting to make its sealed laminating together, reduce the space that the junction produced, effectively avoid flange to appear not hard up the condition that produces the gap after using for a long time, thereby improve flange's result of use.

Description

Connecting flange with good sealing performance

Technical Field

The utility model relates to a flange technical field specifically is a flange that leakproofness is good.

Background

Flange connection is a detachable joint which is used for fixing two pipelines, pipe fittings or equipment on a flange plate respectively, then adding a flange pad between the two flange plates, and finally tightening the two flange plates by bolts to tightly combine the two flange plates, and can realize the connection between the static pipeline and equipment which rotates or reciprocates.

In the Chinese utility model patent, the following steps are included: CN201920004317.0, a connecting flange with a sealing ring, which comprises a first connecting flange and a second connecting flange, wherein screw holes are formed in the outer end walls of the first connecting flange and the second connecting flange, water inlet holes are formed in the middle parts of the inner cavities of the first connecting flange and the second connecting flange, a snap ring is fixedly installed on the right end wall of the second connecting flange, a second clamping groove is formed in the inner side of the right end wall of the snap ring, a first clamping groove is formed in the left end wall of the first connecting flange, an installation groove is formed in the outer side of the inner cavity of the first clamping groove, a spring piece is fixedly installed in the middle part of the top end of the inner cavity of the installation groove, a rubber sealing layer is fixedly installed at the top of the inner cavity of the installation groove, and a silica gel anti-abrasion layer is fixedly installed on the outer side of the rubber sealing layer, so that the sealing ring can be provided with the sealing ring, the laminating effect of the sealing ring is improved, and the fixing firmness is improved; through being equipped with first sealing washer, snap ring second draw-in groove structure, the double seal buckle, sealed effect is higher.

The following problems exist in the prior art:

1. when the flanges are connected, the tightness is low, the flanges cannot be tightly connected, and the flanges are easy to loosen and generate gaps after long-time use;

2. the connecting flange cannot be positioned, so that the flange is easy to loosen when used for a long time, and the using effect is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a flange that leakproofness is good possesses advantages such as leakproofness height, has solved the problem among the above-mentioned background art.

(II) technical scheme

In order to realize the high purpose of above-mentioned leakproofness, the utility model provides a following technical scheme: the utility model provides a flange that leakproofness is good, includes first flange and second flange, one side swing joint of first flange has the connecting rod, the outer wall swing joint of connecting rod has first removable nut, the inner wall swing joint of first flange has first seal cover, one side fixedly connected with connecting block of first seal cover, the sub-magnet of one side fixedly connected with of connecting block.

The flange sealing structure is characterized in that a convex block is fixedly connected to one side of the first sealing sleeve, a second sealing sleeve is movably connected to the inner wall of the second connecting flange, a connecting groove is formed in one side of the second sealing sleeve, a female magnet is fixedly connected to the inner wall of the connecting groove, a groove is formed in one side of the second sealing sleeve, the flanges can be connected and then the sealing performance is improved, the flanges are enabled to be attached together in a sealing mode, gaps generated at the connecting positions are reduced, the situation that the connecting flanges are loosened to generate gaps after being used for a long time is effectively avoided, and therefore the using effect of the connecting flanges is improved.

Preferably, the outer wall swing joint of first flange has fixed cover, the inner wall fixedly connected with fixture block of fixed cover, the outer wall fixedly connected with fixed block of fixed cover, the top swing joint of fixed block has the bolt, the outer wall swing joint of bolt has the removable nut of second, can fix a position flange outward, effectively improves the fastness behind the flange installation, avoids appearing not hard up condition after long-time the use, and effectively avoids influencing the normal use of flange.

Preferably, the inner wall of the fixed cover is movably connected with the outer wall of the first connecting flange and the outer wall of the second connecting flange respectively, and the fixed cover is an annular fixed cover, so that the connecting flanges can be firmly installed, and the looseness of the flanges is avoided.

Preferably, the outer wall of connecting rod is provided with the screw thread, and the connecting rod passes through screw thread and first removable nut threaded connection, can connect the installation to flange.

Preferably, the inner wall of spread groove and the outer wall swing joint of connecting block, the connecting block passes through spread groove and female magnet swing joint, and laminating degree when can improving the seal cover and seal avoids appearing becoming flexible.

Preferably, the second seal cover passes through recess and lug swing joint, and the second seal cover is the rubber seal cover, and laminating degree when can improve the seal cover and seal avoids appearing becoming flexible.

Preferably, the outer wall of the first sealing sleeve is movably connected with the inner wall of the first connecting flange, the first sealing sleeve is a rubber sealing sleeve, the fitting degree of the sealing sleeve during sealing can be improved, and looseness is avoided.

(III) advantageous effects

Compared with the prior art, the utility model provides a flange that leakproofness is good possesses following beneficial effect:

1. this flange that leakproofness is good through first seal cover, connecting block, sub-magnet, lug, second seal cover, spread groove, female magnet and recess, can make the flange improve the leakproofness between after connecting to make its sealed laminating together, reduce the space that the junction produced, effectively avoid flange to appear not hard up the condition that produces the gap after using for a long time, thereby improve flange's result of use.

2. This flange that leakproofness is good through fixed cover, fixture block, fixed block, the removable spiral shell of bolt and second, can fix a position flange outward, effectively improves the fastness behind the flange installation, avoids appearing not hard up condition after long-time the use, and effectively avoids influencing the normal use of flange.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front view structure of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the first seal housing of the present invention;

fig. 5 is a schematic structural view of the second seal cover of the present invention.

In the figure: 1. a first connecting flange; 2. a second connecting flange; 3. a connecting rod; 4. a first removable nut; 5. a fixed cover; 6. a clamping block; 7. a fixed block; 8. a bolt; 9. a second removable nut; 10. a first seal cartridge; 11. connecting blocks; 12. a sub-magnet; 13. a bump; 14. a second seal cartridge; 15. connecting grooves; 16. a parent magnet; 17. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a flange's that leakproofness is good preferred embodiment is shown in fig. 1 to 5: the utility model provides a flange that leakproofness is good, includes first flange 1 and second flange 2, and one side swing joint of first flange 1 has connecting rod 3, and the outer wall swing joint of connecting rod 3 has first removable nut 4, and the inner wall swing joint of first flange 1 has first seal cover 10, one side fixedly connected with connecting block 11 of first seal cover 10, one side fixedly connected with sub-magnet 12 of connecting block 11.

One side fixedly connected with lug 13 of first seal cover 10, the inner wall swing joint of second flange 2 has second seal cover 14, spread groove 15 has been seted up to one side of second seal cover 14, the female magnet 16 of the inner wall fixedly connected with of spread groove 15, recess 17 has been seted up to one side of second seal cover 14, can make the flange improve the leakproofness between after connecting, and make its sealed laminating together, reduce the space that the junction produced, effectively avoid the flange to appear not hard up the condition that produces the gap after using for a long time, thereby improve flange's result of use.

In this embodiment, the outer wall swing joint of first flange 1 has fixed cover 5, the inner wall fixedly connected with fixture block 6 of fixed cover 5, the outer wall fixedly connected with fixed block 7 of fixed cover 5, the top swing joint of fixed block 7 has bolt 8, the outer wall swing joint of bolt 8 has the removable nut of second 9, can fix a position flange outward, effectively improve the fastness behind the flange installation, avoid appearing not hard up condition after long-time the use, and effectively avoid influencing the normal use of flange.

Example 2

On the basis of embodiment 1, the preferred embodiment of the connecting flange with good sealing performance provided by the present invention is shown in fig. 1 to 5: the inner wall of fixed cover 5 respectively with the outer wall of first flange 1 and the outer wall swing joint of second flange 2, and fixed cover 5 is the fixed cover of annular, can firmly install flange, avoids the not hard up condition to appear in the flange.

In this embodiment, the outer wall of connecting rod 3 is provided with the screw thread, and connecting rod 3 passes through screw thread and 4 threaded connection of first removable nut, can connect the installation to flange.

Further, the inner wall of connecting groove 15 and the outer wall swing joint of connecting block 11, connecting block 11 pass through connecting groove 15 and female magnet 16 swing joint, and laminating degree when can improving the seal cover and seal avoids appearing becoming flexible.

Furthermore, the second sealing sleeve 14 is movably connected with the projection 13 through the groove 17, and the second sealing sleeve 14 is a rubber sealing sleeve, so that the fitting degree of the sealing sleeve during sealing can be improved, and looseness is avoided.

In addition, the outer wall of first seal cover 10 and the inner wall swing joint of first connecting flange 1, and first seal cover 10 is the rubber seal cover, and laminating degree when can improve the seal cover and seal avoids appearing becoming flexible.

When using, fix first seal cover 10 and second seal cover 14 respectively in first connecting flange 1 and second connecting flange 2 earlier, then to its connecting flange, make connecting block 11 fix in spread groove 15, and make sub-magnet 12 and female magnet 16 attract each other and fix, improve the tightness between the seal cover, lug 13 card is gone into in recess 17 simultaneously, laminating degree when further improving the seal cover sealed, and effectively reduce the gap, thereby improve connecting flange's sealed effect, then in inserting the mounting groove on connecting flange with connecting rod 3, fix connecting rod 3 rotating first removable nut 4, thereby accomplish the connection of flange, in order to improve flange mounting's fastness, block fixed cover 5 outside first connecting flange 1 and second connecting flange 2, in the cooperation through bolt 8 and second removable nut 9, install it firmly outside connecting flange, thereby closely fix connecting flange, avoid using the not hard up condition of connecting flange to appear for a long time.

In conclusion, the connecting flange with good sealing performance can improve the sealing performance between the flanges after being connected, and the flanges are sealed and attached together, so that the gap generated at the joint is reduced, the situation that the connecting flange loosens and generates a gap after being used for a long time is effectively avoided, meanwhile, the connecting flange can be positioned outside, the firmness after the connecting flange is installed is effectively improved, the situation that the connecting flange loosens after being used for a long time is avoided, and the normal use of the flange is effectively prevented from being influenced.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange that leakproofness is good, includes first flange (1) and second flange (2), its characterized in that: one side of the first connecting flange (1) is movably connected with a connecting rod (3), the outer wall of the connecting rod (3) is movably connected with a first detachable nut (4), the inner wall of the first connecting flange (1) is movably connected with a first sealing sleeve (10), one side of the first sealing sleeve (10) is fixedly connected with a connecting block (11), and one side of the connecting block (11) is fixedly connected with a sub-magnet (12);

one side fixedly connected with lug (13) of first seal cover (10), the inner wall swing joint of second flange (2) has second seal cover (14), spread groove (15) have been seted up to one side of second seal cover (14), the inner wall fixedly connected with female magnet (16) of spread groove (15), one side of second seal cover (14) is seted up flutedly (17).

2. A good sealing connection flange according to claim 1, wherein: the outer wall swing joint of first connecting flange (1) has fixed cover (5), the inner wall fixedly connected with fixture block (6) of fixed cover (5), the outer wall fixedly connected with fixed block (7) of fixed cover (5), the top swing joint of fixed block (7) has bolt (8), the outer wall swing joint of bolt (8) has the removable nut of second (9).

3. The connecting flange with good sealing performance as claimed in claim 2, wherein: the inner wall of the fixed cover (5) is movably connected with the outer wall of the first connecting flange (1) and the outer wall of the second connecting flange (2) respectively, and the fixed cover (5) is an annular fixed cover.

4. The connecting flange with good sealing performance as claimed in claim 1, wherein: the outer wall of the connecting rod (3) is provided with threads, and the connecting rod (3) is in threaded connection with the first detachable nut (4) through the threads.

5. A good sealing connection flange according to claim 1, wherein: the inner wall of connecting groove (15) and the outer wall swing joint of connecting block (11), connecting block (11) pass through connecting groove (15) and female magnet (16) swing joint.

6. A good sealing connection flange according to claim 1, wherein: the second sealing sleeve (14) is movably connected with the projection (13) through a groove (17), and the second sealing sleeve (14) is a rubber sealing sleeve.

7. A good sealing connection flange according to claim 1, wherein: the outer wall of the first sealing sleeve (10) is movably connected with the inner wall of the first connecting flange (1), and the first sealing sleeve (10) is a rubber sealing sleeve.