CN217441034U - Corrosion-resistant hubbed flange - Google Patents

Abstract

The utility model relates to a pipe connection work piece technical field specifically is a corrosion-resistant hubbed flange, including two sets of pipelines, every group the one end of pipeline all is provided with a set of outstanding ring, and is two sets of be provided with a set of flange coupling assembling between the pipeline, flange coupling assembling is including first flange, second flange and two sets of flange necks, the utility model discloses can be connected flange neck and pipeline fast, and be different from traditional welded connection's mode, when soft sealing washer takes place ageing when damaged through long-time use, the user also can change soft sealing washer fast, the utility model discloses a set up a set of intercommunication groove on the lateral wall of first flange, convenient to use person carries out real-time supervision to the velocity of flow, the purity isoparametric of liquid in the pipeline.

Description

Corrosion-resistant hubbed flange

Technical Field

The utility model relates to a pipe connection work piece technical field especially relates to a corrosion-resistant hubbed flange.

Background

The flange is called a flange disc, belongs to a connecting part, and is detachable connection of a group of combined sealing structure formed by connecting a flange, a gasket and a bolt, and the flange connection has the advantages of good connection sealing property, stable structure, high strength, convenience in use, low cost and the like, so that the flange is widely applied to industries such as building industry, urban water supply, boiler pressure vessels, petroleum and the like, wherein the flange with a neck is one of the flanges and is generally provided with a lengthened neck section.

However, the existing neck flange and the pipeline are usually welded, when the sealing gasket between the neck flange and the pipeline is aged and damaged, the sealing gasket is difficult to replace quickly, and the existing neck flange is usually fully sealed, so that the state of liquid in the pipeline is difficult to monitor.

Accordingly, there is a need to design a corrosion resistant necked flange that addresses the above problems.

SUMMERY OF THE UTILITY MODEL

For solving the problems existing in the prior art, the utility model provides a corrosion-resistant neck flange.

The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be: the utility model provides a corrosion-resistant hubbed flange, is including two sets of pipelines, every group the one end of pipeline all is provided with a set of outstanding ring, and is two sets of be provided with a set of flange coupling assembling between the pipeline, flange coupling assembling is including first flange, second flange and two sets of flange necks, and is two sets of the flange neck sets up respectively one side of first flange and second flange, every group the pipeline all corresponds with a set of flange neck, every group the pipeline is all established on the flange neck that corresponds, all is provided with a set of soft sealing washer between the outstanding ring on every group pipeline and the top inner wall that corresponds the flange neck.

Preferably, each group the top of second flange has all seted up a set of ring channel, and every group all is provided with the multiunit gag lever post in the ring channel.

Preferably, the bottom of the first flange is provided with a plurality of groups of sliding grooves, the number of the sliding grooves is equal to that of the limiting rods, the sliding grooves correspond to the limiting rods one by one, and each group of the limiting rods are in sliding fit with the corresponding sliding grooves.

Preferably, a set of rubber packing ring is arranged in the annular groove, and each set of limiting rod is matched with the rubber packing ring in a clamping mode.

Preferably, a set of communicating grooves is formed in the side wall of the first flange, a set of monitoring pipes is arranged in the communicating grooves, a threaded section is formed in the tail end of each monitoring pipe, a set of sealing plugs are arranged in the monitoring pipes, a set of rotating cover plates are arranged on one sides, far away from the monitoring pipes, of the sealing plugs, the rotating cover plates are fixedly connected with the tail ends of the sealing plugs, and the rotating cover plates are in threaded connection with the monitoring pipes through the threaded sections.

Preferably, the first flange is connected with the second flange through a plurality of groups of fastening bolts.

Preferably, the inner and outer surfaces of the first flange, the second flange and the two sets of flange necks are provided with corrosion-resistant coatings.

The utility model has the advantages that:

one of the two, the utility model discloses can be connected flange neck and pipeline fast, and be different from traditional welded connection's mode, when soft sealing washer takes place ageing damage through long-time use, the user also can change soft sealing washer fast, and is concrete, sets up a set of flange coupling assembling between two sets of pipelines, can carry out the high-speed joint to two sets of pipelines fast, all sets up a set of soft sealing washer between the top inner wall of outstanding ring on every group pipeline and corresponding flange neck, will when constructor passes through fastening bolt first flange and second flange are screwed up when installing, and soft sealing washer is in under the extrusion of outstanding ring on the pipeline and corresponding flange neck, carry out quick seal to pipeline and flange neck, swift and quick easy dismounting to the installation of flange neck and pipeline.

Secondly, the utility model discloses a set of intercommunication groove has been seted up on the lateral wall of first flange, and convenient to use person carries out real-time supervision to the velocity of flow of liquid in the pipeline, purity isoparametric, and is concrete, during the use, at first through twisting the rotatory apron, will take off with monitoring tube sealing connection's sealing plug, put into the monitoring tube that has set up in advance with corresponding monitoring sensor in, later seal the monitoring tube through the sealing plug can.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

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

fig. 3 is a schematic sectional view of the flange connection assembly of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic view of a part of the structure of the middle flange connection assembly of the present invention.

Reference numerals: 1. a first flange; 2. a second flange; 3. a flange neck; 4. a pipeline; 5. rotating the cover plate; 6. a threaded segment; 7. monitoring the pipe; 8. a sealing plug; 9. an annular groove; 10. a rubber gasket; 11. a limiting rod; 12. a protruding circular ring; 13. a flexible sealing ring; 14. a sliding groove; 15. a communicating groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1-5, the utility model provides a corrosion-resistant flange with neck, including two sets of pipelines 4, one end of each set of pipeline 4 is provided with a set of protruding ring 12, a set of flange connecting assembly is provided between two sets of pipelines 4, the flange connecting assembly includes a first flange 1, a second flange 2 and two sets of flange necks 3, two sets of flange necks 3 are respectively provided at one side of the first flange 1 and the second flange 2, each set of pipelines 4 corresponds to a set of flange necks 3, each set of pipelines 4 is sleeved on the corresponding flange necks 3, a set of soft sealing ring 13 is provided between the protruding ring 12 on each set of pipelines 4 and the top inner wall of the corresponding flange neck 3; set up a set of flange coupling assembling between two sets of pipelines 4, can carry out the high-speed joint to two sets of pipelines 4 fast, all set up a set of soft sealing washer 13 between the top inner wall that outstanding ring 12 on every group pipeline 4 and correspond flange neck 3, will through fastening bolt when constructor first flange 1 and second flange 2 are screwed up the installation, soft sealing washer 13 is in under the extrusion of outstanding ring 12 on the pipeline 4 and corresponding flange neck 3, carry out the high-speed seal to pipeline 4 and flange neck 3, be different from traditional welded connection's mode, when soft sealing washer 13 takes place ageing damage through long-time use, the user also can change soft sealing washer 13 fast.

Further, in the above technical scheme, a set of annular grooves 9 is formed in the top of each set of second flanges 2, a plurality of sets of limit rods 11 are arranged in each set of annular grooves 9, a plurality of sets of sliding grooves 14 are formed in the bottom of the first flange 1, the number of the sliding grooves 14 is equal to that of the limit rods 11, the sliding grooves are in one-to-one correspondence, each set of limit rods 11 are in sliding fit with the corresponding sliding grooves 14, a set of rubber gaskets 10 is arranged in the annular grooves 9, and each set of limit rods 11 is in clamping fit with the rubber gaskets 10; before installing pipeline 4, constructor places rubber packing ring 10 in the ring channel 9 at 2 tops of second flange at first, and cooperate rubber packing ring 10 and the 11 joints of multiunit gag lever post, so, when being connected first flange 1 with second flange 2, rubber packing ring 10 can not produce and slide, sealing nature between with guaranteeing first flange 1 and second flange 2 is good, and simultaneously, through gag lever post 11 and the 14 sliding fit of sliding tray that correspond, can be quick fix a position first flange 1 and second flange 2, be convenient for install first flange 1 and second flange 2 fast.

Further, in the above technical solution, a set of communicating grooves 15 is formed in a side wall of the first flange 1, a set of monitoring pipes 7 is arranged in the communicating grooves 15, a threaded section 6 is formed at a tail end of the monitoring pipe 7, a set of sealing plugs 8 is arranged in the monitoring pipe 7, a set of rotating cover plates 5 is arranged on one sides of the sealing plugs 8 far away from the monitoring pipe 7, the rotating cover plates 5 are fixedly connected with tail ends of the sealing plugs 8, and the rotating cover plates 5 are in threaded connection with the monitoring pipes 7 through the threaded section 6; through having seted up a set of intercommunication groove 15 on the lateral wall at first flange 1, convenient to use person carries out real-time supervision to the velocity of flow of liquid in pipeline 4, purity isoparametric, during the use, at first through twisting movable rotating cover plate 5, will take off with monitoring pipe 7 sealing plug 8 of sealing connection, put into monitoring pipe 7 that has set up in advance with corresponding monitoring sensor in, later through sealing plug 8 with monitoring pipe 7 seal can.

Further, in the above technical solution, the first flange 1 and the second flange 2 are connected by a plurality of sets of fastening bolts, and the inner and outer surfaces of the first flange 1, the second flange 2 and the two sets of flange necks 3 are provided with corrosion-resistant coatings; fastening bolt is prior art, does not show in the figure, sets up corrosion-resistant coating through the interior external surface at first flange 1, second flange 2 and two sets of flange necks 3, can effectively prolong the utility model discloses a life.

The working principle is as follows: set up a set of flange coupling assembling between two sets of pipelines 4, can carry out the high-speed joint to two sets of pipelines 4 fast, all set up a set of soft sealing washer 13 between the top inner wall that outstanding ring 12 on every group pipeline 4 and correspond flange neck 3, will through fastening bolt when constructor first flange 1 and second flange 2 are screwed up the installation, soft sealing washer 13 is in under the extrusion of outstanding ring 12 on the pipeline 4 and corresponding flange neck 3, carry out the high-speed seal to pipeline 4 and flange neck 3, be different from traditional welded connection's mode, when soft sealing washer 13 takes place ageing damage through long-time use, the user also can change soft sealing washer 13 fast.

Before installing pipeline 4, constructor places rubber packing ring 10 in the ring channel 9 at 2 tops of second flange at first, and with rubber packing ring 10 and the cooperation of the 11 joints of multiunit gag lever post, so, when being connected first flange 1 and second flange 2, rubber packing ring 10 can not produce and slide, it is good with the leakproofness between first flange 1 and the second flange 2 to guarantee, and simultaneously, through gag lever post 11 and the 14 sliding fit of sliding tray that correspond, can be quick fix a position first flange 1 and second flange 2, be convenient for install first flange 1 and second flange 2 fast.

Through having seted up a set of intercommunication groove 15 on the lateral wall at first flange 1, convenient to use person carries out real-time supervision to the velocity of flow of liquid in pipeline 4, purity isoparametric, during the use, at first through twisting movable rotating cover plate 5, will take off with monitoring pipe 7 sealing plug 8 of sealing connection, put into monitoring pipe 7 that has set up in advance with corresponding monitoring sensor in, later through sealing plug 8 with monitoring pipe 7 seal can.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides a corrosion-resistant hubbed flange, is including two sets of pipelines (4), its characterized in that, every group the one end of pipeline (4) all is provided with a set of outstanding ring (12), and is two sets of be provided with a set of flange coupling assembling between pipeline (4), flange coupling assembling is including first flange (1), second flange (2) and two sets of flange neck (3), and is two sets of flange neck (3) set up respectively one side of first flange (1) and second flange (2), every group pipeline (4) all correspond with a set of flange neck (3), every group pipeline (4) are all established on corresponding flange neck (3), all are provided with a set of soft sealing washer (13) between outstanding ring (12) on every group pipeline (4) and the top inner wall that corresponds flange neck (3).

2. A corrosion-resistant necked flange according to claim 1, wherein a set of annular grooves (9) is formed at the top of each set of second flanges (2), and a plurality of sets of limiting rods (11) are arranged in each set of annular grooves (9).

3. The corrosion-resistant necked flange according to claim 2, wherein a plurality of sets of sliding grooves (14) are formed in the bottom of the first flange (1), the number of the sliding grooves (14) is equal to that of the limiting rods (11) and corresponds to one another, and each set of the limiting rods (11) is in sliding fit with the corresponding sliding groove (14).

4. A corrosion-resistant necked flange according to claim 2, wherein a set of rubber gaskets (10) is provided in the annular groove (9), and each set of stop rods (11) is snap-fitted to the rubber gaskets (10).

5. The corrosion-resistant necked flange according to claim 4, wherein a set of communicating grooves (15) is formed in a side wall of the first flange (1), a set of monitoring pipes (7) is arranged in the communicating grooves (15), a threaded section (6) is formed at the tail end of each monitoring pipe (7), a set of sealing plugs (8) is arranged in each monitoring pipe (7), a set of rotating cover plates (5) is arranged on one sides of the sealing plugs (8) far away from the monitoring pipes (7), the rotating cover plates (5) are fixedly connected with the tail ends of the sealing plugs (8), and the rotating cover plates (5) are in threaded connection with the monitoring pipes (7) through the threaded sections (6).

6. A corrosion resistant necked flange according to claim 5, wherein the first flange (1) and the second flange (2) are connected by a plurality of sets of fastening bolts.

7. A corrosion resistant necked flange according to claim 6, wherein the inner and outer surfaces of the first flange (1), the second flange (2) and both sets of flange necks (3) are provided with a corrosion resistant coating.

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