CN219809548U

CN219809548U - Rotary detachable flange

Info

Publication number: CN219809548U
Application number: CN202320808635.9U
Authority: CN
Inventors: 张治国; 王宏
Original assignee: Tianjin Sien Machinery Equipment Co ltd
Current assignee: Tianjin Sien Machinery Equipment Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-10-10
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a rotary detachable flange, which belongs to the field of flanges and comprises a sleeve, wherein a cavity is arranged in the sleeve to be a sealing cavity, two ends of the sleeve are respectively provided with a connecting cylinder, and the inner wall of the connecting cylinder is provided with a plurality of connecting threads. According to the rotary detachable flange, the connecting threads are in threaded engagement with the locking threads, so that the two flange pieces are in threaded connection with the connecting cylinders respectively arranged at the two ends of the sleeve, and then the external connecting cylinders are connected with an external pipeline through the external threads for conveying materials; through setting up two sealing rings pressurized to sleeve both ends locking, and then further promote the leakproofness in the sealed chamber and reach antiseep effect, carry out punching press locking to the sealing ring through the scouring pressure that utilizes the transport material, fundamentally promotes the leakproofness at sleeve both ends and flange piece junction, avoids carrying material scouring pressure and causes the material loss and the pollution that the seepage leads to when too big, security and stability when promoting the material transport.

Description

Rotary detachable flange

Technical Field

The utility model belongs to the field of flanges, and particularly relates to a rotary detachable flange.

Background

The flange is a part for connecting shafts, is used for connecting pipe ends, is also used for connecting equipment inlets and outlets, is used for connecting two pieces of equipment, and is just like a joint of a pipeline, such as a knee and an elbow on a human body, and is a key connecting part of the pipeline.

Flange connection is generally adopted in pipeline connection, wide application is on pipelines such as gas transmission, oil transportation, water supply and drainage, in modern industrial continuous production, because frequently receive the scouring pressure of carrying the material, the leakage problem can be unavoidable to the flange, leakage loss, the pollution that can cause carrying material, gaseous leakage, even cause major conflagration or casualties accident, current antiseep mainly wraps up, blocks up the junction through steel band or anchor clamps, but above-mentioned mode can only be from outside leaking stoppage, can only cure the primary and secondary, does not promote the leakproofness of flange junction inside, does not possess reliability and timeliness, still can take place the seepage repeatedly after lasting a period of use. An improvement of a rotary detachable flange is provided.

Disclosure of Invention

In response to one or more of the above-mentioned deficiencies or improvements of the prior art, the present utility model provides a rotary detachable flange having the advantages of punch locking and leakage prevention.

In order to achieve the above purpose, the utility model provides a rotary detachable flange, which comprises a sleeve, wherein a cavity is arranged in the sleeve to form a sealing cavity, two ends of the sleeve are respectively provided with a connecting cylinder, the inner wall of the connecting cylinder is provided with a plurality of connecting threads, and two ends of the sealing cavity are respectively provided with a sealing groove;

the two flange pieces are provided with a flange plate, two side surfaces of the flange plate are respectively connected with a locking cylinder and an external cylinder in a pipeline manner, the outer circumferential wall of the locking cylinder is provided with a plurality of locking threads, the end part of the locking cylinder is fixedly provided with a sealing ring, one side surface of the sealing ring, which is close to the locking cylinder, is provided with a sealing gasket, and the outer circumferential wall of the external cylinder is provided with a plurality of external threads;

when the material is conveyed in the sleeve to cause internal flushing pressure, the two sealing rings are pressed to the two ends of the sleeve to be locked, and instead, the sealing gaskets between the sealing rings and the sealing grooves are pressed tightly to be attached, so that the sealing cavity is kept sealed to prevent leakage.

As a further improvement of the utility model, the two flange pieces are respectively in threaded connection with the connecting cylinders arranged at the two ends of the sleeve, one end of the sleeve is provided with a feed inlet, and the other end of the sleeve is provided with a discharge outlet and is connected with a transport pipeline holding pipeline through the external threads.

As a further improvement of the utility model, the flange plate is provided with a plurality of flow holes and a plurality of power assisting grooves in a penetrating way, the pipeline of the flange piece is kept to flow through the flow holes, and the power assisting grooves are used for assisting in exerting force when the flange piece is driven to rotate by external force.

As a further development of the utility model, the locking thread is adapted to the connecting thread, and the flange element is locked when rotated outside the sleeve and is released when rotated inside the sleeve by the locking thread.

As a further improvement of the utility model, the sealing groove is matched with the sealing ring, and the sealing gasket is clamped by the sealing groove and the sealing ring to seal the sealing cavity.

As a further improvement of the utility model, the direction in which the locking thread is loosened by screwing of the flange member coincides with the screwing direction in which the external thread and the external pipe are separated.

As a further improvement of the utility model, when the locking threads are loosened by screwing, both the flange pieces rotate deep into the sealing cavity, and the length of the sealing cavity is larger than the sum of the screwing deep depths of the two locking cylinders.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

according to the rotary detachable flange, the connecting threads are in threaded engagement with the locking threads, so that the two flange pieces are in threaded connection with the connecting cylinders respectively arranged at the two ends of the sleeve, the sealing gasket clamped between the sealing ring and the sealing groove is matched to keep sealing in the sealing cavity, and then the external connecting cylinder is connected with an external connecting pipeline through the external connecting threads and then used for conveying materials; through setting up two sealing rings and compressing to sleeve both ends locking to when carrying the material to wash out the pressure too big, drive two sealing rings and seal groove through the washing out the pressure and with the healing of gasket centre gripping inseparable, and then further promote the leakproofness in the sealed chamber and reach the effect of antiseep, carry out punching press locking to the sealing ring through the washing out pressure that utilizes the transport material, fundamentally promotes sleeve both ends and flange piece junction's leakproofness, avoids carrying the material loss and the pollution that the material washing out the pressure and cause the seepage to lead to when too big, security and stability when promoting the material transportation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the flange member of the present utility model;

FIG. 3 is a schematic view of a split structure of the present utility model;

FIG. 4 is a schematic side sectional view of the present utility model;

fig. 5 is a schematic view of a front view in cross section.

Like reference numerals denote like technical features throughout the drawings, in particular: 1. a sleeve; 11. sealing the cavity; 12. a connecting cylinder; 13. a connecting thread; 14. sealing grooves; 2. a flange member; 21. a flange plate; 22. a locking cylinder; 23. locking threads; 24. a seal ring; 25. a sealing gasket; 26. an external cylinder; 27. externally connecting threads; 28. a flow hole; 29. a power assisting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-5, a rotary detachable flange comprises a sleeve 1, wherein a cavity in the sleeve 1 is provided with a sealing cavity 11, two ends of the sleeve 1 are respectively provided with a connecting cylinder 12, the inner wall of the connecting cylinder 12 is provided with a plurality of connecting threads 13, and two ends of the sealing cavity 11 are respectively provided with a sealing groove 14;

the two flange members 2, the flange member 2 has a flange 21, two side surfaces of the flange 21 are respectively connected with a locking cylinder 22 and an external cylinder 26 in a pipeline way, the outer circumferential wall of the locking cylinder 22 is provided with a plurality of locking threads 23, the end part is fixedly provided with a sealing ring 24, one side surface of the sealing ring 24, which is close to the locking cylinder 22, is provided with a sealing gasket 25, and the outer circumferential wall of the external cylinder 26 is provided with a plurality of external threads 27;

when the material is conveyed in the sleeve 1 to cause internal flushing pressure, the two sealing rings 24 are pressed to the two ends of the sleeve 1 to be locked, and instead, the sealing gaskets 25 between the sealing rings 24 and the sealing grooves 14 are pressed by force to be attached, so that the sealing cavity 11 is kept sealed to prevent leakage.

In the embodiment, the connecting threads 13 are in threaded engagement with the locking threads 23, so that the two flange pieces 2 are in threaded connection with the connecting cylinders 12 respectively arranged at the two ends of the sleeve 1, and the sealing gasket 25 clamped between the sealing ring 24 and the sealing groove 14 is matched to keep the sealing in the sealing cavity 11, so that the external connecting cylinder 26 is connected with an external connecting pipeline through the external connecting threads 27 for conveying materials; through setting up two sealing rings 24 pressurized to sleeve 1 both ends locking to when carrying the material scouring pressure too big, on the contrary, drive the increasingly inseparable of sealing washer 25 centre gripping with seal groove 14 through scouring pressure two sealing rings 24, and then further promote the leakproofness in the sealed chamber 11 and reach the effect of antiseep.

Specifically, referring to fig. 1 to 5, two flange members 2 are respectively in threaded connection with connecting barrels 12 provided at both ends of a sleeve 1, one end of the sleeve 1 is provided with a feed inlet, and the other end is provided with a discharge outlet and is connected with a transport pipeline holding pipeline through external threads 27.

In this embodiment, two flange members 2 are respectively in threaded connection with connecting cylinders 12 at two ends of the sleeve 1, so as to feed and discharge respectively, and keep the pipeline of the sleeve 1 smooth.

Specifically, referring to fig. 3 to 4, the flange 21 is provided with a plurality of through holes 28 and a plurality of assist grooves 29, and the through holes 28 keep the pipe of the flange 2 in circulation, and the assist grooves 29 assist in generating force when the flange 2 is driven to rotate by an external force.

In this embodiment, a plurality of flow holes 28 and a plurality of power assisting grooves 29 are formed in the flange 21 in a penetrating manner, so that the convenience in mounting and dismounting is improved by providing the power assisting grooves 29 for assisting the worker while maintaining the pipeline circulation of the flange 2.

Specifically, referring to fig. 2 to 5, the locking screw 23 is adapted to the connecting screw 13, and the flange member 2 is locked when rotated to the outside of the sleeve 1 by the locking screw 23 and is released when rotated to the inside of the sleeve 1.

In this embodiment, the locking screw thread 23 is adapted to the connecting screw thread 13, and the flange member 2 is restricted to be locked when rotating to the outside of the sleeve 1 by the locking screw thread 23, and to be released when rotating to the inside of the sleeve 1, so that the flange member 2 is increasingly locked to the sleeve 1 by the locking screw thread 23 when the flushing pressure is applied in the sealing cavity 11.

Specifically, referring to fig. 2-5, the seal groove 14 and the seal ring 24 are adapted, and the seal gasket 25 is clamped by the seal groove 14 and the seal ring 24 to seal the seal cavity 11.

In this embodiment, seal groove 14 and seal ring 24 looks adaptation is set up to set up sealing gasket 25 between seal groove 14 and seal ring 24, thereby make sealing gasket 25 laminating inseparabler through the centre gripping of seal groove 14 and seal ring 24, thereby let promote the leakproofness in the sealed chamber 11, reach antiseep effect.

In particular, referring to fig. 2-5, the flange member 2 is screwed in such a way that the direction in which the locking screw 23 is loosened coincides with the screwing direction in which the external screw 27 is separated from the external pipe.

In this embodiment, the screwing and unscrewing direction of the flange member 2 is set to be identical to the screwing direction of the external thread 27 and the external pipeline, so that when the flange plate 21 is screwed, the flange member 2 is contracted inwards in the sealing cavity 11, and the other end of the flange member 2 is separated from the external pipeline through the external thread 27, so that the disassembly and separation are completed.

Specifically, referring to fig. 2-5, when both flange members 2 are loosened by screwing the locking threads 23, they are rotated deep into the seal chamber 11, and the length of the seal chamber 11 is greater than the sum of the screwing depths of both locking cylinders 22.

In this embodiment, the flange member 2 is set to rotate deeply into the seal cavity 11 when the tightening threads 23 are loosened, and the length of the seal cavity 11 is greater than the sum of the tightening depths of the two locking cylinders 22, so that enough space is provided in the seal cavity 11 to accommodate the insertion portions of the two locking cylinders 22, and the problem that the two locking cylinders 22 collide due to insufficient space in the seal cavity 11 to affect the installation and the disassembly is avoided.

Working principle:

when the rotary detachable flange is used, an operator drives the locking cylinder 22 to rotate in a direction away from the connecting cylinder 12 by screwing the flange plate 21, and the locking cylinder is matched with the locking screw 23 to be in screw engagement with the connecting screw 13, so that the two flange pieces 2 are respectively locked with the connecting cylinders 12 at the two ends of the sleeve 1 through screw connection, and the sealing gaskets 25 clamped between the sealing rings 24 and the sealing grooves 14 are used for connecting the pipelines of the two flange pieces 2 in a sealing state in the sealing cavity 11, so that after the external connecting cylinder 26 is unblocked with the external connecting pipeline through the external connecting screw 27, materials are conveyed, and when the scouring pressure of conveyed materials received in the sealing cavity 11 is overlarge, the two sealing rings 24 are respectively pressed to the sealing grooves 14 at the two ends of the sealing cavity 11, so that the sealing gaskets 25 arranged between the sealing rings 24 and the sealing grooves 14 are tightly attached to the two sealing grooves, and the sealing performance in the sealing cavity 11 is further improved, and the anti-leakage effect is achieved; when the flange plate 21 is required to be disassembled, the flange plate 21 is screwed in the opposite direction, so that the locking cylinder 22 is penetrated into the sealing cavity 11 to be loosened, and meanwhile, the external cylinder 26 is driven to synchronously rotate, and further, the external threads 27 are driven to synchronously separate from an external pipeline, so that the sleeve 1 and the two flange pieces 2 are separated from the external pipeline, and the disassembly is completed.

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

Claims

1. The utility model provides a rotatory dismantlement formula flange which characterized in that includes

The sleeve (1) is internally provided with a cavity which is a sealing cavity (11), two ends of the sleeve (1) are respectively provided with a connecting cylinder (12), the inner wall of the connecting cylinder (12) is provided with a plurality of connecting threads (13), and two ends of the sealing cavity (11) are respectively provided with a sealing groove (14);

the two flange pieces (2), the flange piece (2) is provided with a flange plate (21), two side surfaces of the flange plate (21) are respectively connected with a locking cylinder (22) and an external cylinder (26) in a pipeline way, the outer circumferential wall of the locking cylinder (22) is provided with a plurality of locking threads (23) and is fixedly provided with a sealing ring (24) at the end part, one side surface of the sealing ring (24) close to the locking cylinder (22) is provided with a sealing gasket (25), and the outer circumferential wall of the external cylinder (26) is provided with a plurality of external threads (27);

when the material is conveyed in the sleeve (1) to cause internal flushing pressure, the two sealing rings (24) are pressed to the two ends of the sleeve (1) to be locked, and instead, the sealing gaskets (25) between the sealing rings (24) and the sealing grooves (14) are pressed to be attached by force, so that the sealing cavity (11) is kept sealed to prevent leakage.

2. The rotary detachable flange according to claim 1, characterized in that the two flange members (2) are respectively in threaded connection with the connecting cylinders (12) provided at both ends of the sleeve (1), one end of the sleeve (1) is provided as a feed inlet, and the other end is provided as a discharge outlet and is connected with a transport pipeline holding pipeline through the external threads (27).

3. The rotary detachable flange according to claim 1, characterized in that the flange plate (21) is provided with a plurality of flow holes (28) and a plurality of auxiliary grooves (29) in a penetrating manner, the flow holes (28) are used for keeping the pipeline of the flange piece (2) in circulation, and the auxiliary grooves (29) are used for assisting in exerting force when the flange piece (2) is driven to rotate by external force.

4. A rotary dismounting flange according to claim 1, characterized in that the locking screw thread (23) is adapted to the connecting screw thread (13) and that the flange member (2) is locked when rotated outwards of the sleeve (1) and is released when rotated inwards of the sleeve (1) by the locking screw thread (23).

5. The rotary dismounting flange according to claim 1, characterized in that the sealing groove (14) and the sealing ring (24) are adapted, and the sealing gasket (25) is clamped by the sealing groove (14) and the sealing ring (24) for sealing the inside of the sealing cavity (11).

6. A rotary swivel flange according to claim 1, characterized in that the flange member (2) is screwed in such a way that the direction in which the locking thread (23) is loosened coincides with the screwing direction in which the external thread (27) and the external pipe are separated.

7. A rotary dismounting flange according to claim 1, characterized in that both flange members (2) are rotated deep into the sealing chamber (11) when the locking threads (23) are loosened by screwing, the sealing chamber (11) length being greater than the sum of the screwing deep depths of both locking cylinders (22).