CN220623110U - Steel pressure pipeline and flange connection structure - Google Patents
Steel pressure pipeline and flange connection structure Download PDFInfo
- Publication number
- CN220623110U CN220623110U CN202322365106.9U CN202322365106U CN220623110U CN 220623110 U CN220623110 U CN 220623110U CN 202322365106 U CN202322365106 U CN 202322365106U CN 220623110 U CN220623110 U CN 220623110U
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- flange
- annular
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- pipeline
- nut
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a steel pressure pipeline and flange connection structure, which comprises a valve and a pipeline connected with the valve, wherein one end of the pipeline is fixedly provided with a first flange plate, an inner ring fluted disc is arranged on the pipeline in a sliding manner, outer ring teeth are rotationally arranged on the outer side of the inner ring fluted disc, at least three nuts are uniformly distributed between the outer ring teeth and the inner ring fluted disc, one end of each nut is respectively meshed with the inner ring fluted disc and the outer ring teeth, the other end of each nut is in threaded connection with the first flange plate, the other end of each nut penetrates through the first flange plate to be connected with a fixed plate, the fixed plate is arranged in the first flange plate in a sliding manner, at least one second flange plate is arranged on the valve, and a limiting groove in sealing clamping connection with the fixed plate is arranged in the second flange plate. According to the utility model, the nut on the first flange plate is meshed with the inner ring fluted disc to rotate through the rotation of the outer ring tooth on the pipeline, the fixing plate in the first flange plate is pushed by the nut to move upwards, and the fixing plate is clamped on the valve through sliding and is used for clamping and fixing the pipeline and the valve.
Description
Technical Field
The utility model relates to a steel pressure pipeline and flange connection structure, and belongs to the technical field of pipeline connection.
Background
The existing steel pressure pipelines are mostly connected with the flange through nuts, so that the flange can be integrally replaced when the sealing surface of the flange is damaged, for example, the following technology is adopted:
reference is made to publication (bulletin) No.: CN218780914U, publication (date): 2023-03-31, a detachable loose flange is disclosed, including the flange, the junction of pipeline is equipped with the bulge loop and connects, the bulge loop connects and set up in detachable flange, and detachable flange is controlling splice formula structure, and detachable flange passes through screw rod and bolt interconnect.
In the prior art including the above patent, the above flange is connected through a plurality of nuts for can be with the flange whole change when changing the flange, but because above-mentioned flange is connected through a plurality of screw rods and bolt, lead to need screw rods and bolt to dismantle and install one by one when installing and dismantling.
Disclosure of Invention
The utility model aims to solve the technical problems that: when the flange on the steel pressure pipeline is replaced, how to avoid detaching and installing a plurality of screws and bolts for connecting the flange and the pipeline one by one.
In order to solve the technical problems, the technical scheme of the utility model provides a steel pressure pipeline and flange connection structure, which comprises a valve and a pipeline connected with the valve, and is characterized in that one end of the pipeline is fixedly provided with a first flange plate, an inner ring fluted disc is slidably arranged on the pipeline, an outer ring tooth is rotatably arranged on the outer side of the inner ring fluted disc, at least three nuts are uniformly distributed between the outer ring tooth and the inner ring fluted disc, one end of each nut is respectively meshed with the inner ring fluted disc and the outer ring tooth, the other end of each nut is in threaded connection with the first flange plate, the other end of each nut penetrates through the first flange plate to be connected with a fixed plate, the fixed plate is slidably arranged in the first flange plate, at least one second flange plate is arranged on the valve, and a limiting groove in sealing clamping connection with the fixed plate is arranged in the second flange plate; the number of the second flanges is the same as the number of the pipes connected with the second flanges.
Preferably, the other end of the nut is arranged in the fixed plate to rotate and not axially displace with the fixed plate.
Preferably, the first flange plate is provided with a first annular slideway, the fixed plate is arranged in the first annular slideway in a sliding way, the second flange plate is provided with a second annular slideway, and the fixed plate is matched with the second annular slideway; when the fixed plate slides into the second annular slideway from the first annular slideway and cannot be pushed, the fixed plate is clamped and matched with the second annular slideway; the limit groove is a second annular slideway.
Preferably, an annular rubber pad is fixed on the fixed plate, and the annular rubber pad is matched with the second annular slideway; when the fixed plate slides into the second annular slide way from the first annular slide way and cannot be pushed, the annular rubber pad is matched with the second annular slide way in a sealing and clamping way.
Preferably, the annular rubber pad is fixedly provided with fixing rods which are arranged in a circumferential array; clamping grooves which are arranged in a circumferential array are formed in the second flange plate, the clamping grooves are communicated with the second annular slide way, and the positions of the fixing rods are respectively in one-to-one correspondence with the positions of the clamping grooves; when the fixing plate slides into the second annular slide way from the first annular slide way and cannot be pushed, each fixing rod is clamped and matched with the corresponding clamping groove.
Preferably, the first flange plate is provided with threaded holes which are arranged in a circumferential array, and threads at the other end of the nut are arranged in the threaded holes; the first annular slideway is communicated with the threaded hole.
Preferably, the pipeline on fixed be equipped with and be circumference array arrangement's guide block, be equipped with on the inner ring fluted disc inner wall with guide block assorted spout, the inner ring fluted disc is located on the guide block through the spout slip.
Preferably, the inner ring fluted disc is provided with a ring groove, and a ring plate is rotationally arranged in the ring groove; the annular plate is fixed with a connecting plate which is arranged in a circumferential array, and the outer ring teeth are fixed on the connecting plate.
Compared with the prior art, the steel pressure pipeline and flange connection structure provided by the utility model has the following beneficial effects:
the nut on the first flange plate is meshed with the inner ring fluted disc to rotate through the outer ring tooth on the pipeline, the fixing plate in the first flange plate is pushed by the nut, the fixing plate moves upwards to the valve, and the fixing plate is clamped on the valve through sliding and fixedly clamps the pipeline and the valve.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a steel pressure pipe and flange connection structure;
FIG. 2 is a schematic cross-sectional view of a second flange on a pipe and valve;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 2;
FIG. 5 is a schematic view of a pipe and a first flange;
FIG. 6 is a schematic diagram of a left-hand construction of a pipe and a first flange;
fig. 7 is a schematic structural view of the second flange.
Reference numerals illustrate:
1. a pipe; 2. a valve; 3. a first flange; 4. a second flange; 5. outer ring teeth; 6. a nut; 7. an inner ring gear disc; 31. a first annular slide; 41. a second annular slide; 42. a clamping groove; 51. a connecting plate; 52. a ring plate; 61. a fixing plate; 62. an annular rubber pad; 63. a fixed rod; 71. a guide block; 72. and a ring groove.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The utility model provides a steel pressure pipeline and flange connection structure, which is shown in fig. 1-7, and comprises a pipeline 1 and a valve 2, and further comprises:
an inner ring gear disk 7 slidably provided on the pipe 1 (slidable along the length direction of the pipe 1);
a first flange 3 fixedly provided at one end of the pipe 1 (the end close to the valve 2);
one end of the nut 6 is meshed with the inner ring fluted disc 7, and the other end of the nut is arranged on the first flange plate 3 in a threaded manner;
an outer ring gear 5 rotatably provided on the inner ring gear disk 7 and engaged with the nut 6;
a fixed plate 61, which is driven to slide in the first flange 3.
Specifically, as can be seen from fig. 1 to fig. 4, by continuously rotating the two outer ring teeth 5 on the two pipes 1, the outer ring teeth 5 drive the four nuts 6 to axially rotate through engagement, so that the four nuts 6 rotate in engagement with the inner ring fluted disc 7, and one end of the nut 6 rotates in a threaded manner on the first flange 3 through engagement rotation, so that the nut 6 slides from a low position to a high position on the first flange 3 (as can be seen from fig. 2, the two sides of the pipe 1 are in a low position, and the center of the pipe 1 is in a high position).
Secondly, as can be seen from fig. 1 to fig. 4, when the four nuts 6 are located on the first flange plate 3 to slide, the inner ring fluted disc 7 is driven to slide, the fixing plates 61 are pushed to slide in the first flange plate 3 by the four nuts 6, so that the fixing plates 61 move towards the valve 2, and the two fixing plates 61 are clamped on the valve 2 by sliding towards a high position, so that the pipelines 1 at two ends and the valve 2 are clamped and fixed.
In the above technical scheme, the outer ring teeth 5 on the pipeline 1 rotate, so that the nuts 6 on the first flange plate 3 are meshed with the inner ring fluted disc 7 to rotate, the fixing plate 61 in the first flange plate 3 is pushed by the nuts 6, the fixing plate 61 moves towards the valve 2, and the fixing plate 61 is clamped on the valve 2 through sliding and clamping, so that the pipeline 1 and the valve 2 are clamped and fixed.
As a further provided embodiment of the present utility model, the guide blocks 71 arranged in a circumferential array are fixedly arranged on the pipeline 1, and the inner ring gear disk 7 is slidably arranged on the guide blocks 71.
Further, an annular groove 72 is formed in the inner annular fluted disc 7, and an annular plate 52 is rotatably arranged in the annular groove 72;
the annular plate 52 is fixedly provided with a connecting plate 51 which is arranged in a circumferential array, and the outer annular teeth 5 are fixedly arranged on the connecting plate 51.
Specifically, as can be seen from fig. 1 to 3, the four guide blocks 71 on the pipe 1 guide the inner ring gear 7, so that the inner ring gear 7 can slide from a low position to a high position (i.e. slide along the pipe 1 axially), and the fixing of the four guide blocks 71 can limit the inner ring gear 7 from rotating along with the rotation of the four nuts 6 (the teeth engaged between the inner ring gear 7 and the nuts 6 are arranged obliquely, and the inner ring gear 7 slides along the guide blocks 71 through the rotation of the nuts 6).
Secondly, as can be seen from fig. 1 to 3, the outer ring teeth 5 are connected with the ring plate 52 by a plurality of connection plates 51, and the ring plate 52 is rotated in the ring groove 72, so that the outer ring teeth 5 are supported on the inner ring teeth disk 7 by the connection plates 51, and the outer ring teeth 5 can rotate.
As a further provided embodiment of the present utility model, the first flange 3 is provided with threaded holes arranged in a circumferential array, and the nut 6 is threaded in the threaded holes;
the first annular slide way 31 is arranged on the first flange plate 3, the first annular slide way 31 is communicated with the threaded hole, and the fixing plate 61 is in limit connection with one end of the nut 6 and is positioned in the first annular slide way 31 to slide; the nut 6 is freely rotatable on the fixing plate 61 and is not axially displaced from the fixing plate 61.
The fixing plate 61 is fixedly provided with an annular rubber pad 62, and the annular rubber pad 62 is fixedly provided with fixing rods 63 arranged in a circumferential array.
Further, the valve further comprises a second flange plate 4 (positioned at the inlet and outlet positions of the valve) symmetrically and fixedly arranged on the valve 2, and a second annular slideway 41 is arranged on the second flange plate 4;
the second flange 4 is internally provided with clamping grooves 42 which are arranged in a circumferential array, the clamping grooves 42 are communicated with the second annular slide way 41, and the fixing plate 61 is matched with the second annular slide way 41 in a clamping way.
Each fixing rod 63 is in clamping fit with the corresponding clamping groove 42.
Specifically, as can be seen from fig. 4 to fig. 7, the four nuts 6 on two sides are driven by the two outer ring teeth 5, so that the four nuts 6 on two sides are simultaneously located in the four threaded holes on two sides to move from a low position to a high position, and the fixing plate 61 is located in the first annular slideway 31 by pushing the four nuts 6, so that the fixing plate 61 slides from the low position to the high position (as can be seen from fig. 4, the two sides of the first flange 3 are in the low position, and the center of the first flange 3 is in the high position).
Secondly, as can be seen from fig. 4 to 7, when the two fixing plates 61 slide to a high position and continuously slide to the directions of the two second flanges 4 fixed on the valve 2, when the fixing plates 61 slide to a high position, the annular rubber gaskets 62 slide into the second annular slide ways 41 to carry out sealing clamping, meanwhile, the fixing plates 61 are clamped between gaps of the first flanges 3 and the second flanges 4, effective fixing is carried out after the first flanges 3 are connected with the second flanges 4, and the fixing rods 63 on the annular rubber gaskets 62 are pushed by the fixing plates 61 to be inserted into the clamping grooves 42, so that the first flanges 3 and the second flanges 4 are subjected to secondary clamping.
Finally, as can be seen from fig. 4 to 7, when the valve needs to be disassembled and replaced, only the outer ring gear 5 is required to rotate in the opposite direction, so that the nut 6 slides to a low position, the fixing plate 61 is driven to be separated from the second annular slideway 41 of the second flange 4, the clamping connection between the first flange 3 and the second flange 4 is released, and the fixing rod 63 is also separated from the clamping groove 42 due to the sliding of the fixing plate 61 to the low position, so that the valve 2 can be directly removed when the fixing rod 63 and the fixing plate 61 are completely separated from the second flange 4.
The working principle of the utility model is as follows:
through fig. 1-7, it can be seen that the second flange 4 is aligned with the first flange 3, after the alignment, the outer ring teeth 5 are connected with the annular plate 52 through a plurality of connecting plates 51, and meanwhile, the annular plate 52 is located in the annular groove 72, so that the outer ring teeth 5 are supported by the connecting plates 51 and have supporting force on the inner annular groove 7, and the outer ring teeth 5 can rotate, at the moment, two outer ring teeth 5 on two pipelines 1 are continuously rotated, so that the outer ring teeth 5 drive four nuts 6 to axially rotate through meshing, so that the four nuts 6 are meshed with the inner annular groove 7 to rotate, one end of each nut 6 is meshed with the corresponding annular groove 7 to rotate, the nuts 6 slide to a high position on the first flange 3 through meshing rotation, meanwhile, four guide blocks 71 on the pipeline 1 guide the inner annular groove 7, so that the inner annular groove 7 can slide to a high position, and the inner annular groove 7 can not rotate along with the four nuts 6 through fixing of the four guide blocks 71, when the two fixing plates 61 are meshed with the corresponding annular groove 6, and the two fixing plates 61 are clamped to the annular groove 61, and the annular groove 4 is continuously fixed with the second flange 4 through the annular groove 61, and the annular groove 4 is clamped between the annular groove 4 and the annular groove 4 is fixed, and the annular groove 4 is guaranteed, and the second flange 4 is fixed, and the second flange 4 is fixedly connected with the annular groove 4 is fixed through the annular groove 61, and the annular groove 4 is fixed, and the annular groove is fixed, and the flange 4 is fixed by the flange 4, and the flange 4 is fixed by the sealing flange 4.
When the valve is disassembled and replaced, only the two outer ring teeth 5 are required to rotate in the opposite direction, so that the nut 6 slides to the lower position, the fixing plate 61 is driven to be separated from the second annular slideway 41 of the second flange 4, the clamping connection between the first flange 3 and the second flange 4 is released, and the fixing rod 63 is also separated from the clamping groove 42 due to the sliding of the fixing plate 61 to the lower position, so that the valve 2 can be directly taken down when the fixing rod 63 and the fixing plate 61 are completely separated from the second flange 4.
Claims (8)
1. The utility model provides a steel pressure pipeline and flange connection structure, includes valve (2) and pipeline (1) of being connected with valve (2), its characterized in that, pipeline (1) one end be fixed with first ring flange (3), slide on pipeline (1) and be equipped with inner ring fluted disc (7), inner ring fluted disc (7) outside rotates and is equipped with outer ring tooth (5), equipartition has at least three nut (6) between outer ring tooth (5) and inner ring fluted disc (7), nut (6) one end respectively with inner ring fluted disc (7), outer ring tooth (5) meshing is connected, nut (6) other end and first ring flange (3) threaded connection, nut (6) other end pass first ring flange (3) and fixed plate (61) are connected, fixed plate (61) slide are located in first ring flange (3), be equipped with at least one second ring flange (4) on valve (2), be equipped with the spacing groove of fixed plate (61) sealing joint in the second ring flange (4); the number of the second flanges (4) is the same as the number of the pipelines (1) connected with the second flanges.
2. A steel pressure pipe and flange connection structure according to claim 1, characterized in that the other end of the nut (6) is arranged in the fixing plate (61) to rotate and not to displace axially with the fixing plate (61).
3. The steel pressure pipeline and flange connection structure according to claim 1, characterized in that the first flange plate (3) is provided with a first annular slideway (31), the fixed plate (61) is slidably arranged in the first annular slideway (31), the second flange plate (4) is provided with a second annular slideway (41), and the fixed plate (61) is matched with the second annular slideway (41); when the fixed plate (61) slides into the second annular slide way (41) from the first annular slide way (31) and cannot be pushed, the fixed plate (61) is in clamping fit with the second annular slide way (41); the limit groove is a second annular slideway (41).
4. A steel pressure pipe and flange connection according to claim 3, characterized in that the fixing plate (61) is fixed with an annular rubber pad (62), the annular rubber pad (62) being matched with the second annular slideway (41); when the fixed plate (61) slides into the second annular slide way (41) from the first annular slide way (31) and cannot be pushed, the annular rubber pad (62) is matched with the second annular slide way (41) in a sealing clamping way.
5. A steel pressure pipe and flange connection structure according to claim 4, characterized in that the annular rubber pad (62) is fixed with fixing rods (63) arranged in a circumferential array; clamping grooves (42) which are arranged in a circumferential array are formed in the second flange plate (4), the clamping grooves (42) are communicated with the second annular slide way (41), and the positions of the fixing rods (63) are respectively in one-to-one correspondence with the positions of the clamping grooves (42); when the fixing plate (61) slides into the second annular slide way (41) from the first annular slide way (31) and cannot be pushed, each fixing rod (63) is clamped and matched with the corresponding clamping groove (42).
6. A steel pressure pipeline and flange connection structure according to claim 3, characterized in that the first flange (3) is provided with threaded holes arranged in a circumferential array, and the threads at the other end of the nut (6) are arranged in the threaded holes; the first annular slideway (31) is communicated with the threaded hole.
7. The steel pressure pipeline and flange connection structure according to claim 1, characterized in that the pipeline (1) is fixedly provided with guide blocks (71) which are arranged in a circumferential array, the inner wall of the inner annular fluted disc (7) is provided with sliding grooves matched with the guide blocks (71), and the inner annular fluted disc (7) is arranged on the guide blocks (71) in a sliding manner through the sliding grooves.
8. A steel pressure pipeline and flange connection structure according to claim 1 or 7, characterized in that the inner ring fluted disc (7) is provided with a ring groove (72), and the ring groove (72) is rotationally provided with a ring plate (52); the annular plate (52) is fixedly provided with connecting plates (51) which are arranged in a circumferential array, and the outer ring teeth (5) are fixed on the connecting plates (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365106.9U CN220623110U (en) | 2023-08-31 | 2023-08-31 | Steel pressure pipeline and flange connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365106.9U CN220623110U (en) | 2023-08-31 | 2023-08-31 | Steel pressure pipeline and flange connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220623110U true CN220623110U (en) | 2024-03-19 |
Family
ID=90233635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322365106.9U Active CN220623110U (en) | 2023-08-31 | 2023-08-31 | Steel pressure pipeline and flange connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220623110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118623121A (en) * | 2024-08-12 | 2024-09-10 | 湘潭中为科技有限公司 | Valve convenient to install |
-
2023
- 2023-08-31 CN CN202322365106.9U patent/CN220623110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118623121A (en) * | 2024-08-12 | 2024-09-10 | 湘潭中为科技有限公司 | Valve convenient to install |
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