CN219549841U - Pipeline flange - Google Patents

Abstract

The utility model discloses a pipeline flange, which relates to the technical field of flanges, and comprises two pipelines, wherein a first flange plate and a second flange plate are fixedly connected to opposite ends of the two pipelines respectively, a first annular groove is formed in one side, close to the first flange plate, of the second flange plate, a connecting mechanism is arranged in the first annular groove, the connecting mechanism comprises a sliding ring, the surface of the sliding ring is in sliding connection with the inner wall of the first annular groove, when a worker connects the first flange plate with the second flange plate through the arrangement of the connecting mechanism, the connection between the first flange plate and the second flange plate can be completed only by inserting an inserting ring into the second annular groove, and meanwhile, the separation between the first flange plate and the second flange plate can be completed only by pushing a pushing ring, so that the operation difficulty is reduced, the worker can operate the first flange plate and the second flange plate conveniently, and the efficiency of connecting and dismantling the pipelines by the worker is improved.

Description

Pipeline flange

Technical Field

The utility model relates to the technical field of flanges, in particular to a pipeline flange.

Background

The flange connection is to fix two pipelines, pipe fittings or devices on one flange plate, and fasten the two flange plates together by bolts to complete the connection. Some pipe fittings and equipment are already provided with flanges and are also flanged. The flange connection is an important connection mode for pipeline construction, is convenient to use and can bear larger pressure.

However, the current flange is often used by connecting through bolts and nuts in the use process, and the flange is corroded after long-term use due to long-term leakage and the outside, so that the bolts and the nuts are difficult to detach, the two flanges can be separated by using a beating tool, the workload of operators is greatly increased, and the work efficiency of people is reduced.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a pipeline flange which can solve the problem that the flanges are difficult to detach after being connected by bolts under the condition of rust.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipeline flange, includes two pipelines, two the opposite end of pipeline is fixedly connected with first ring flange and second ring flange respectively, first annular has been seted up to one side that the second ring flange is close to first ring flange, the inside of first annular is provided with coupling mechanism.

Preferably, the connecting mechanism comprises a sliding ring, the surface of the sliding ring is in sliding connection with the inner wall of the first ring groove, the surface of the sliding ring is in sliding connection with the inner part of the first flange plate, a second ring groove is formed in one side, close to the first flange plate, of the second flange plate, an inserting ring is fixedly connected to one side, close to the second flange plate, of the first flange plate, the surface of the inserting ring is in sliding connection with the inner wall of the second ring groove, the cross section, far away from one side of the first flange plate, of the inserting ring is conical, the inner wall of the second ring groove is in sliding connection with an extrusion ring, the extrusion ring corresponds to the inserting ring, a clamping pin is in sliding connection with the inner part of the second flange plate, two ends of the clamping pin are in circular arc shapes, a first clamping groove is formed in the surface of the inserting ring, a second clamping groove is formed in the surface of the sliding ring, and two ends of the clamping pin are in circular arc shapes respectively in sliding connection with the inner wall of the first clamping groove and the second clamping groove.

Preferably, the opposite sides of the first flange plate and the second flange plate are respectively fixedly connected with a sliding rod and a sliding sleeve, and the surface of the sliding rod is in sliding connection with the inner wall of the sliding sleeve.

Preferably, the surface fixedly connected with pressure spring of slip ring, the one end fixed connection that the slip ring was kept away from to the pressure spring is at the inner wall of first annular, the one end fixedly connected with spring of inserting the ring is kept away from to the extrusion ring, the one end fixed connection at the inner wall of second annular is kept away from to the spring.

Preferably, a pushing ring is fixedly connected to the surface of the sliding ring.

Preferably, the inner wall of the second ring groove is fixedly connected with a rubber ring, and the surface of the insert ring is in sliding connection with the surface of the rubber ring.

Compared with the prior art, the utility model has the beneficial effects that:

(1) This pipeline flange, through coupling mechanism's setting, the staff is when being connected first ring flange and second ring flange, only need insert the ring and insert in the second annular and can accomplish the connection between first ring flange and the second ring flange, only need promote simultaneously and push away the ring, can accomplish the separation between first ring flange and the second ring flange, the operation degree of difficulty has been reduced, has made things convenient for the staff to operate first ring flange and second ring flange, has improved the staff and has connected the efficiency of dismantling the pipeline.

(2) The gap between the insert ring and the second ring groove is filled through the arrangement of the rubber ring, so that liquid between the first flange plate and the second flange plate or the situation that the liquid flows out along the gap between the insert ring and the second ring groove is avoided as much as possible, leakage is avoided during pipeline transportation, and smooth pipeline transportation is guaranteed.

(3) The pipeline flange is used for positioning connection between the first flange plate and the second flange plate through the arrangement of the sliding rod and the sliding sleeve, so that smooth connection between the first flange plate and the second flange plate is ensured.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of a piping flange according to the present utility model;

FIG. 2 is a schematic view of a connection structure of a first flange and a second flange according to the present utility model;

FIG. 3 is a top view of a first flange according to the present utility model;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present utility model.

Reference numerals: 1. a pipe; 2. a first flange; 3. a slide bar; 4. a sliding sleeve; 5. a second flange; 6. inserting a ring; 7. pushing the ring; 8. a slip ring; 9. a first clamping groove; 10. a rubber ring; 11. a first ring groove; 12. a second clamping groove; 13. a second ring groove; 14. a pressing ring; 15. a pressure spring; 16. a spring; 17. and (5) a bayonet lock.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pipeline flange, includes two pipelines 1, and the opposite ends of two pipelines 1 are fixedly connected with first ring flange 2 and second ring flange 5 respectively, and the opposite sides of first ring flange 2, second ring flange 5 are fixedly connected with slide bar 3 and sliding sleeve 4 respectively, the surface of slide bar 3 and the inner wall sliding connection of sliding sleeve 4 to through the setting of slide bar 3 and sliding sleeve 4, the connection between first ring flange 2 and the second ring flange 5 has been fixed a position, thereby guaranteed that even smoothly between first ring flange 2 and the second ring flange 5.

The first annular groove 11 has been seted up to one side that the second ring flange 5 is close to first ring flange 2, the inside of first annular groove 11 is provided with coupling mechanism, coupling mechanism includes slip ring 8, the surface of slip ring 8 and the inner wall sliding connection of first annular groove 11, the surface of slip ring 8 and the inside sliding connection of first ring flange 2, through the setting of slip ring 8, the compactness of being connected between first ring flange 2 and the second ring flange 5 has been increased, the fixed surface connection of slip ring 8 has pressure spring 15, the one end fixed connection at the inner wall of first annular groove 11 of pressure spring 15 keeping away from slip ring 8, the fixed connection on the surface of slip ring 8 promotes the ring 7, thereby through the setting of push ring 7, the staff has been made things convenient for the operation of slip ring 8.

The second ring groove 13 has been seted up to one side that the second ring flange 5 is close to first ring flange 2, the size of second ring groove 13 is less than the size of first ring groove 11, one side that the first ring flange 2 is close to the second ring flange 5 fixedly connected with inserts ring 6, insert ring 6's surface and the inner wall sliding connection of second ring groove 13, insert ring 6 keeps away from the cross-section of first ring flange 2 one side and is the toper, the inner wall fixedly connected with rubber circle 10 of second ring groove 13, insert ring 6's surface and the surface sliding connection of rubber circle 10, thereby through the setting of rubber circle 10, the clearance between ring 6 and the second ring groove 13 has been filled, thereby avoided as far as possible that liquid or liquid between first ring flange 2 and the second ring flange 5 flows along the clearance between ring 6 and the second ring groove 13, thereby the condition that takes place to leak when having avoided the pipeline transportation, and then guaranteed the smooth transportation of pipeline.

The inner wall sliding connection of second annular 13 has extrusion ring 14, and extrusion ring 14 corresponds with inserting ring 6 each other, and extrusion ring 14 is kept away from the one end fixedly connected with spring 16 of inserting ring 6, and the one end fixedly connected with at the inner wall of second annular 13 of extrusion ring 14 is kept away from to spring 16.

The inside sliding connection of second ring flange 5 has bayonet lock 17, the both ends of bayonet lock 17 all are convex, first draw-in groove 9 has been seted up on the surface of insert ring 6, second draw-in groove 12 has been seted up on the surface of slip ring 8, first draw-in groove 9 and the cross-section of second draw-in groove 12 all are convex, the both ends of bayonet lock 17 respectively with the inner wall sliding connection of first draw-in groove 9 and second draw-in groove 12, thereby through the setting of first draw-in groove 9, second draw-in groove 12 and bayonet lock 17 convex, make the staff can be under the elasticity of pressure spring 15 and spring 16 smoothly with the condition that thereby first draw-in groove 9 or second draw-in groove 12 were released to bayonet lock 17, thereby guaranteed the smooth operation of device, first draw-in groove 9 and second draw-in groove 12 each other do not correspond, the device initial state, bayonet lock 17 block into second draw-in groove 12, pressure spring 15 is in compressed state simultaneously, extrusion ring 14 stops the motion path of bayonet lock 17 this moment.

Further, when the first flange 2 and the second flange 5 are connected, the worker can insert the insert ring 6 into the second annular groove 13, then, along with the insertion of the insert ring 6, extrude the extrusion ring 14, so that the extrusion ring 14 slides down in the second annular groove 13 and compresses the spring 16, along with the insertion of the insert ring 6, the first clamping groove 9 on the insert ring 6 corresponds to the clamping pin 17, so that the clamping pin 17 has a movable distance again, so that under the elasticity of the pressure spring 15, the sliding ring 8 is pushed, the clamping pin 17 is separated from the second clamping groove 12, so that the clamping pin 17 is pushed into the first clamping groove 9, the fixing of the insert ring 6 is finished, and then, the direct pressing connection of the first flange 2 and the second flange 5 is finished.

When the first flange plate 2 and the second flange plate 5 need to be separated, the worker only needs to push the push ring 7, thereby driving the sliding ring 8 to slide and descend in the first annular groove 11, and then along with the descending of the sliding ring 8, thereby enabling the second clamping groove 12 to correspond to the clamping pin 17, thereby enabling the clamping pin 17 to acquire a motion path again, and further under the elasticity of the spring 16, thereby separating the clamping pin 17 from the first clamping groove 9, pushing the clamping pin 17 into the second clamping groove 12, and then directly pulling out the inserting ring 6 from the second annular groove 13, and further through the arrangement of the connecting mechanism, when the worker connects the first flange plate 2 and the second flange plate 5, the worker only needs to insert the inserting ring 6 into the second annular groove 13, and meanwhile, the separation between the first flange plate 2 and the second flange plate 5 can be completed, the operation difficulty is reduced, and the worker can conveniently operate the first flange plate 2 and the second flange plate 5, and the efficiency of the pipe joint is improved.

Working principle: when the first flange 2 and the second flange 5 are connected, a worker can insert the insert ring 6 into the second annular groove 13, then the extrusion ring 14 is extruded along with the insertion of the insert ring 6, so that the extrusion ring 14 slides down in the second annular groove 13 and compresses the spring 16, and along with the insertion of the insert ring 6, the first clamping groove 9 on the insert ring 6 corresponds to the clamping pin 17, so that the clamping pin 17 has a movable distance again, so that under the elastic force of the pressure spring 15, the sliding ring 8 is pushed, the clamping pin 17 is separated from the second clamping groove 12, so that the clamping pin 17 is pushed into the first clamping groove 9, and thus the fixation of the insert ring 6 is completed, and the direct pressing connection of the first flange 2 and the second flange 5 is completed.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (5)

1. A pipe flange comprising two pipes (1), characterized in that: the opposite ends of the two pipelines (1) are respectively and fixedly connected with a first flange plate (2) and a second flange plate (5), a first annular groove (11) is formed in one side, close to the first flange plate (2), of the second flange plate (5), a connecting mechanism is arranged in the first annular groove (11),

the connecting mechanism comprises a sliding ring (8), the surface of the sliding ring (8) is in sliding connection with the inner wall of a first annular groove (11), the surface of the sliding ring (8) is in sliding connection with the inner part of a first annular groove (2), a second annular groove (13) is formed in one side, close to the first annular groove (2), of the second annular groove (5), an inserting ring (6) is fixedly connected to one side, close to the second annular groove (5), of the inserting ring (6), the surface of the inserting ring (6) is in sliding connection with the inner wall of the second annular groove (13), the cross section, far away from the first annular groove (2), of the second annular groove (13) is in a conical shape, an extrusion ring (14) is in sliding connection with the inserting ring (6), clamping pins (17) are in sliding connection with the inner part of the second annular groove (5), two ends of the clamping pins (17) are arc-shaped, a first clamping groove (9) is formed in the surface of the inserting ring (6), and two ends of the second clamping ring (9) are in the cross section of the first clamping groove (12) and the second clamping groove (12).

2. A duct flange as claimed in claim 1, wherein: the sliding rod (3) and the sliding sleeve (4) are fixedly connected to opposite sides of the first flange plate (2) and the second flange plate (5) respectively, and the surface of the sliding rod (3) is in sliding connection with the inner wall of the sliding sleeve (4).

3. A duct flange as claimed in claim 2, wherein: the surface fixedly connected with pressure spring (15) of slip ring (8), the one end fixed connection that slip ring (8) was kept away from to pressure spring (15) is at the inner wall of first annular (11), the one end fixedly connected with spring (16) that insert ring (6) was kept away from to extrusion ring (14), the one end fixed connection that extrusion ring (14) was kept away from to spring (16) is at the inner wall of second annular (13).

4. A pipe flange according to claim 3, wherein: the surface of the sliding ring (8) is fixedly connected with a pushing ring (7).

5. A duct flange as defined in claim 4, wherein: the inner wall of the second ring groove (13) is fixedly connected with a rubber ring (10), and the surface of the insert ring (6) is in sliding connection with the surface of the rubber ring (10).