CN212929087U - Welding-free flange device - Google Patents
Welding-free flange device Download PDFInfo
- Publication number
- CN212929087U CN212929087U CN202021385888.2U CN202021385888U CN212929087U CN 212929087 U CN212929087 U CN 212929087U CN 202021385888 U CN202021385888 U CN 202021385888U CN 212929087 U CN212929087 U CN 212929087U
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- flange
- wall
- pipeline
- hole
- welding
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses an exempt from welding flange device, include: pipeline, flange, spacer pin are provided with the notch on the pipeline outer wall, and the flange cover is established on the pipeline outer wall, is provided with the recess on the outer wall of flange, and spacer pin one end is provided with the lug, is provided with the spring bolt on the lug, and the lug is located the recess, and the spring bolt clamps in the notch, and one of flange is served and is provided with the flange board, and the flange board is provided with a plurality of connecting holes along circumference. An object of the utility model is to provide an installation is dismantled conveniently, firm in connection's welding flange device of exempting from.
Description
Technical Field
The utility model belongs to the technical field of the pipeline, concretely relates to exempt from welding flange device.
Background
The flange is used for connecting pipe ends, namely two pipelines are respectively fixed on a flange plate in the flange connection, the two flange plates are fastened together by bolts through flange pads, the connection is completed, the flange connection is convenient to use, and can bear larger pressure. The flange and the pipe fitting are usually connected in a welding mode, but the welding flange is inconvenient to disassemble and assemble, and the maintenance of the pipeline is affected.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inconvenient problem of dismantling the installation of flange among the prior art.
Therefore, the technical scheme who adopts is, the utility model discloses an exempt from welding flange device, include: the pipe comprises a pipe, a flange and a limiting pin, wherein a notch is formed in the outer wall of the pipe, the flange is sleeved on the outer wall of the pipe, a groove is formed in the outer wall of the flange, a protruding block is arranged at one end of the limiting pin, a spring bolt is arranged on the protruding block, the protruding block is located in the groove, the spring bolt is clamped in the notch, a flange plate is arranged on one end of the flange, and a plurality of connecting holes are formed in the flange plate along the circumferential direction.
Preferably, the upper side surface of the outer wall of the flange is provided with a first threaded hole, the outer wall of the flange is provided with a pressing block, one end of the pressing block is provided with a pin hole, the other end of the pressing block is provided with a through hole, a limiting pin penetrates through the pin hole, and a first centering screw rod sequentially penetrates through the through hole, the first threaded hole and contacts with the outer wall of the pipeline.
Preferably, a first locking nut is sleeved on the first centering screw rod and is located above the pressing block.
Preferably, the downside of flange outer wall is provided with the second screw hole, install the second on the second screw hole and aim at the screw rod, the cover is equipped with second lock nut on the second is to aiming at the screw rod.
Preferably, an elastic washer is arranged between the first locking nut and the pressing block.
Preferably, the end face of the flange plate is provided with an annular clamping groove, and a sealing ring is arranged in the annular clamping groove.
Preferably, an annular pressure plate is sleeved on the pipeline and is in contact with the sealing ring.
Preferably, a flange is arranged on one side, close to the sealing ring, of the annular pressure plate, and the flange can be clamped into the annular clamping groove.
The utility model discloses technical scheme has following advantage: the utility model discloses an exempt from welding flange device, include: the pipe comprises a pipe, a flange and a limiting pin, wherein a notch is formed in the outer wall of the pipe, the flange is sleeved on the outer wall of the pipe, a groove is formed in the outer wall of the flange, a protruding block is arranged at one end of the limiting pin, a spring bolt is arranged on the protruding block, the protruding block is located in the groove, the spring bolt is clamped in the notch, a flange plate is arranged on one end of the flange, and a plurality of connecting holes are formed in the flange plate along the circumferential direction. Because the flange can be very fast install and dismantle, the maintenance of being convenient for, the spring bolt on the spacer pin plays the positioning action, and the quick location installation of the flange of being convenient for, the spring bolt also can play limiting displacement, prevents that the flange from causing the not hard up of connection along circumference and the axial displacement of pipeline.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of the middle ring-shaped pressing plate of the present invention.
The pipe comprises a pipe 1, a groove 2, a flange 3, a groove 4, a limiting pin 5, a bump 6, a bolt 7, a flange plate 8, a connecting hole 9, a first threaded hole 10, a pressing block 11, a pin hole 12, a through hole 13, a first centering screw 14, a first locking nut 15, a second threaded hole 16, a second centering screw 17, a second locking nut 18, an annular clamping groove 19, a sealing ring 20, an annular pressing plate 21 and a flange 22.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The utility model provides a exempt from welding flange device, as shown in fig. 1-3, include: pipeline 1, flange 3, spacer pin 5, be provided with notch 2 on the 1 outer wall of pipeline, the flange 3 cover is established on the 1 outer wall of pipeline, be provided with recess 4 on the outer wall of flange 3, 5 one ends of spacer pin are provided with lug 6, are provided with spring bolt 7 on the lug 6, and lug 6 is located recess 4, and spring bolt 7 clamps in notch 2, flange 3 serves and is provided with flange board 8, flange board 8 is provided with a plurality of connecting holes 9 along circumference, can be connected with another flange through the bolt on the connecting hole 9.
The side of going up of flange 3 outer wall is provided with if first screw hole 10, be provided with briquetting 11 on the outer wall of flange 3, 11 one end of briquetting is provided with pinhole 12, the 11 other end of briquetting is provided with through-hole 13, and spacer pin 5 passes pinhole 12, first pair of well screw rod 14 pass through-hole 13, first screw hole 10 in proper order with the contact of 1 outer wall of pipeline.
The first centering screw 14 is sleeved with a first locking nut 15, and the first locking nut 15 is located above the pressing block 11.
The downside of flange 3 outer wall is provided with second screw hole 16, install second centering screw rod 17 on the second screw hole 16, the cover is equipped with second lock nut 18 on the second centering screw rod 17.
The working principle and the beneficial technical effects of the technical scheme are as follows: making a notch 2 on the outer wall of a pipeline 1, sleeving a flange 3 on the pipeline 1, installing a bump 6 on a limiting pin 5 in a groove 4, installing a bolt 7 in the notch 2, placing a pressing block 11 on the outer wall of the flange 3, enabling the limiting pin 5 to pass through a pin hole 12, sequentially enabling a first pair of middle screws 14 to pass through holes 13 and first threaded holes 10 to be in contact with the outer wall of the pipeline 1, enabling the flange 3 to be fixed on the pipeline 1, then screwing a first locking nut 15, enabling the pressing block 11 to tightly press the bump 6, so as to fix the bolt 7 on the outer wall of the pipeline 1, then screwing a second pair of middle screws 17, enabling the upper ends of the second pair of middle screws 17 to be tightly attached to the pipeline 1, enabling the flange 3 to be fixed more firmly, screwing the second locking nut 18 to prevent the second pair of middle screws 17 from loosening, completing the fixing of the flange on the pipeline 1, and detaching the first pair of middle screws 14 and the second pair, the flange can be conveniently taken down. Because flange 3 can be very fast install and dismantle, the maintenance of being convenient for, spring bolt 7 on the spacer pin 5 plays the positioning action, the quick location installation of the flange of being convenient for, and spring bolt 7 also can play limiting displacement, prevents that the flange from causing the not hard up of connection along the circumference and the axial displacement of pipeline 1.
In one embodiment, an elastic washer is arranged between the first lock nut 15 and the pressing block 11, and the elastic washer can provide an early warning force, so that the first lock nut is connected more firmly.
In one embodiment, the end surface of the flange plate 8 is provided with an annular clamping groove 19, and a sealing ring 20 is arranged in the annular clamping groove 19, wherein the sealing ring 20 can improve the sealing effect and reduce the leakage between the pipeline and the flange.
In one embodiment, the pipe 1 is sleeved with an annular pressure plate 21, and the annular pressure plate 21 is in contact with the sealing ring 20 and can press the sealing ring 20.
In one embodiment, the annular pressure plate 21 is provided with a flange 22 on a side thereof adjacent to the seal ring 20, the flange 22 being capable of being snapped into the annular groove 19, the two flanges being bolted together so as to press the annular pressure plate 21 against the flange plates, the flange 22 facilitating the snap fit into the annular groove 19.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A welding-free flange device, comprising: pipeline (1), flange (3), spacer pin (5), be provided with notch (2) on pipeline (1) outer wall, flange (3) cover is established on pipeline (1) outer wall, be provided with recess (4) on the outer wall of flange (3), spacer pin (5) one end is provided with lug (6), is provided with spring bolt (7) on lug (6), and lug (6) are located recess (4), and spring bolt (7) clamp in notch (2), one of flange (3) is served and is provided with flange board (8), flange board (8) are provided with a plurality of connecting holes (9) along circumference.
2. The welding-free flange device according to claim 1, wherein a first threaded hole (10) is formed in the upper side surface of the outer wall of the flange (3), a pressing block (11) is arranged on the outer wall of the flange (3), a pin hole (12) is formed in one end of the pressing block (11), a through hole (13) is formed in the other end of the pressing block (11), the limiting pin (5) penetrates through the pin hole (12), and a first pair of middle screws (14) sequentially penetrate through the through hole (13) and the first threaded hole (10) to be in contact with the outer wall of the pipeline (1).
3. A weld-free flange device according to claim 2, wherein the first centering screw (14) is sleeved with a first lock nut (15), and the first lock nut (15) is located above the pressing block (11).
4. A welding-free flange device according to claim 1, characterized in that the lower side of the outer wall of the flange (3) is provided with a second threaded hole (16), a second centering screw (17) is mounted on the second threaded hole (16), and a second locking nut (18) is sleeved on the second centering screw (17).
5. A weld-free flange device according to claim 3, wherein an elastic washer is arranged between the first lock nut (15) and the pressure piece (11).
6. A weld-free flange device according to claim 1, wherein the flange plate (8) is provided with a ring groove (19) on the end surface, and a sealing ring (20) is arranged in the ring groove (19).
7. A weld-free flange device according to claim 6, wherein the pipe (1) is sleeved with an annular pressure plate (21), and the annular pressure plate (21) is in contact with the sealing ring (20).
8. A weld-free flange device according to claim 7, wherein the annular pressure plate (21) is provided with a flange (22) on the side thereof adjacent to the sealing ring (20), the flange (22) being capable of snapping into the annular groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021385888.2U CN212929087U (en) | 2020-07-15 | 2020-07-15 | Welding-free flange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021385888.2U CN212929087U (en) | 2020-07-15 | 2020-07-15 | Welding-free flange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212929087U true CN212929087U (en) | 2021-04-09 |
Family
ID=75329970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021385888.2U Active CN212929087U (en) | 2020-07-15 | 2020-07-15 | Welding-free flange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212929087U (en) |
-
2020
- 2020-07-15 CN CN202021385888.2U patent/CN212929087U/en active Active
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