CN213776711U - Jaw flange pipeline connecting device and pipeline connected by same - Google Patents
Jaw flange pipeline connecting device and pipeline connected by same Download PDFInfo
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- CN213776711U CN213776711U CN202021578953.3U CN202021578953U CN213776711U CN 213776711 U CN213776711 U CN 213776711U CN 202021578953 U CN202021578953 U CN 202021578953U CN 213776711 U CN213776711 U CN 213776711U
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Abstract
The utility model relates to a jaw flange pipeline connecting device, which is used for connecting an upper connecting pipe and a lower connecting pipe and comprises an upper flange, a positioning block, a lower flange, a stop pin and a central positioning sleeve; the upper end of the upper flange is fixed with the lower connecting pipe, and the lower flange is fixed with the upper connecting pipe; the lower end of the inner part of the upper flange and the upper end of the outer part of the lower flange are respectively provided with an upper bulge and a lower bulge; one side of two symmetrical upper bulges of the upper flange is provided with a positioning block, a central positioning sleeve is clamped between the upper flange and the lower flange, and the central positioning sleeve and the upper flange are of an integral structure and used for fixing the position of the lower flange; after the upper flange and the lower flange rotate to the proper position, the stop pin penetrates through the through hole in the flange, and therefore the upper flange and the lower flange are fixed. The utility model discloses still relate to a pipeline of fluid conveying, the utility model discloses at well drilling, tunnel piping tunnelling in-process installation effectiveness improve greatly, the overall structure after the installation is more reasonable to make maintenance duration reduce, improved the work efficiency of equipment.
Description
Technical Field
The utility model relates to a pipe connection field in well drilling, the tunnel tunnelling especially relates to a tooth inlays formula flange pipe connection device and adopts the pipeline of its connection.
Background
Large fluid conduits require connections that increase the length of the conduit as the equipment advances during operation. In the past, pipelines are connected by adopting a method of welding the pipelines on site or connecting legal flanges by bolts. The pipeline is welded in site construction, so that the construction is inconvenient; when the flange structure is connected through the bolts, the bolts need to be tightened manually, the number of the bolts of the large-diameter pipeline is large, a large amount of time needs to be consumed, the construction efficiency is greatly influenced, the construction progress is influenced when the two methods are implemented, and the construction efficiency is not improved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a tooth inlays formula flange pipe connection device and adopts its pipeline of connecting, it has solved the inconvenient problem of pipeline welding and construction in the past.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a jaw flange pipeline connecting device is used for connecting an upper connecting pipe and a lower connecting pipe and comprises an upper flange, a positioning block, a lower flange, a stop pin and a central positioning sleeve;
the upper flange is fixed with the lower connecting pipe, and the lower flange is fixed with the upper connecting pipe;
the lower end of the inner part of the upper flange and the upper end of the outer part of the lower flange are respectively provided with an upper bulge and a lower bulge which are used for enabling the upper flange and the lower flange to form lap joint;
positioning blocks are arranged on one sides of two symmetrical upper bulges of the upper flange, and after the upper flange is in butt joint with the lower flange, the positioning blocks are clamped on one sides of the upper bulges and the lower bulges and used for limiting the rotational freedom degree of the lower flange;
a central positioning sleeve is clamped between the upper flange and the lower flange, and the central positioning sleeve and the upper flange are of an integral structure and used for fixing the position of the lower flange;
vertical through holes are formed in the peripheries of the upper flange and the lower flange, and after the upper flange and the lower flange rotate to the position, the stop pin penetrates through the through holes to achieve fixing between the upper flange and the lower flange.
Optionally, the flange further comprises an O-shaped sealing ring, and a lower sealing groove is formed in the lower flange; an O-shaped sealing ring is arranged in the lower sealing groove.
Optionally, an upper positioning table is arranged inside the upper flange;
a lower positioning table surface, a lower sealing groove and a groove are sequentially arranged in the lower flange from top to bottom;
the central positioning sleeve is arranged between the upper positioning table top and the lower positioning table top;
and the upper bulge on the outer part of the upper flange is attached to the groove in the lower flange.
Optionally, the outer side of the bottom of the upper flange is provided with a positioning spigot, the outer side of the top of the lower flange is provided with a positioning spigot, and the end part of the connecting pipe is provided with a positioning spigot which is opposite to the positioning spigot of the upper flange and the positioning spigot of the lower flange and is connected with the upper flange through welding.
Optionally, the lower end of the central positioning sleeve is connected with the upper positioning table of the upper flange by welding.
Optionally, the height of the positioning block is less than or equal to the sum of the heights of the lower protrusion and the upper protrusion, and is greater than the height of the upper protrusion.
Optionally, the central positioning sleeve is a hollow cylinder, and a positioning groove is arranged at the lower end inside the hollow cylinder.
Optionally, the total length of the positioning block and the upper protrusion welded together with the positioning block is smaller than the distance between the lower protrusions.
Optionally, the connecting pipe, the upper flange, the lower flange, the O-ring and the central locating sleeve are all in a circular structure in the axial direction.
Alternatively, the connecting structure between a plurality of pipelines is the jaw flange pipeline connecting device.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses a jaw flange pipeline connecting device and adopt its pipeline of connecting, because adopt jaw flange structural connection, the centering of center position sleeve, center position sleeve and upper flange welded structure are convenient for the connecting pipe to be installed, reduce the sealed position, make the connecting pipe safer and more reliable in the use; the positioning block and the stop pin limit the steering of the lower flange, and compared with the prior art, the mounting efficiency is greatly improved in the drilling and tunneling process, and the overall structure after mounting is more reasonable, so that the maintenance time is shortened, and the working efficiency of the equipment is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a jaw flange pipe connection device of the present invention before being connected to a lower flange;
fig. 2 is a schematic cross-sectional view of the jaw flange pipe connection device of the present invention after being connected to a lower flange;
FIG. 3 is a perspective view of the upper flange of FIG. 1;
FIG. 4 is a schematic view of the upper flange of FIG. 1;
FIG. 5 is a perspective view of the lower flange of FIG. 1;
FIG. 6 is a schematic view of the lower flange of FIG. 1;
FIG. 7 is a cross-sectional view of the connection tube of FIG. 1;
FIG. 8 is a cross-sectional view of the center boot of FIG. 1;
fig. 9 is a top view of the center boot of fig. 1.
[ description of reference ]
1: an upper flange; 11: an upper positioning table-board; 12: an upper bulge;
2: positioning blocks;
3: a connecting pipe; 31: a lower connecting pipe; 32: an upper connecting pipe;
4: a lower flange; 41: a lower positioning table-board; 42: a lower seal groove; 43: a groove; 44: a lower bulge;
5: an O-shaped sealing ring;
6: and a central positioning sleeve.
Detailed Description
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1:
referring to fig. 1 to 9, a jaw flange pipe connection device for connecting an upper connection pipe 32 and a lower connection pipe 31, the connection pipe 3 including the upper connection pipe 32 and the lower connection pipe 31, the jaw flange pipe connection device including an upper flange 1, a positioning block 2, a lower flange 4, a stop pin, and a center positioning sleeve 6;
the upper flange 1 is fixed with the lower connecting pipe 31, and the lower flange 4 is fixed with the upper connecting pipe 32; furthermore, the outer side of the bottom of the upper flange 1 is provided with a positioning spigot, the outer side of the top of the lower flange 4 is provided with a positioning spigot, the end part of the connecting pipe 3 is provided with a positioning spigot opposite to the positioning spigots of the upper flange 1 and the lower flange 4, and a space reserved by the positioning spigot can be fixed through welding connection.
The inner lower end of the upper flange 1 and the outer upper end of the lower flange 4 are respectively provided with an upper bulge 12 and a lower bulge 44 for enabling the upper flange and the lower flange to form lap joint; the upper bulges 12 and the lower bulges 44 are uniformly distributed on the flange, and when the flange is in butt joint installation, the upper bulges and the lower bulges can be staggered, so that the upper bulges 12 of the upper flange 1 can be inserted into the lower flange 4, and are lapped on the upper side of the lower bulges 44;
the positioning blocks 2 are welded on one sides of two symmetrical upper bulges 12 of the upper flange 1, the two positioning blocks 2 are arranged on the same side of the upper bulges 12, and after the upper flange 1 is installed and rotated, the positioning blocks 2 are just clamped on one sides of the upper bulges 12 and the lower bulges 44, so that the rotational freedom degree of the lower flange 4 is limited;
a central positioning sleeve 6 is clamped between the upper flange 1 and the lower flange 4, and the central positioning sleeve 6 and the upper flange 1 are of an integral structure and used for fixing the position of the lower flange 4.
Vertical through holes are formed in the peripheries of the upper flange 1 and the lower flange 4, the size of each through hole is matched with the stop pin, the stop pin can be inserted into the through holes, the upper protrusion 12 is just overlapped on the upper portion of the lower protrusion 44 and located inside the groove 43 after the upper flange and the lower flange rotate to the proper position during installation, and the stop pin penetrates through the through holes to achieve fixing between the upper flange 1 and the lower flange 4.
The jaw flange pipeline connecting device also comprises an O-shaped sealing ring 5, and a lower sealing groove 42 is arranged in the lower flange 4; an O-ring seal 5 is provided inside the lower seal groove 42. The central locating sleeve 6 and the O-shaped sealing ring 5 can effectively seal the medium in the pipeline.
An upper positioning table 11 is arranged inside the upper flange 1; the diameter of the positioning table 11 is matched with that of the central positioning sleeve 6, so that the central positioning sleeve 6 can be accommodated in the positioning table 11.
A lower positioning table surface 41, a lower sealing groove 42 and a groove 43 are sequentially arranged in the lower flange 4 from top to bottom;
the central positioning sleeve 6 is arranged between the upper positioning table top 11 and the lower positioning table top 41; the central positioning sleeve 6 is a hollow cylinder, and a positioning groove is arranged at the lower end of the interior of the hollow cylinder and used for being welded with the upper positioning table top 11.
The upper projection 12 on the outer part of the upper flange 1 is jointed with the groove 43 on the inner part of the lower flange 4, and the upper projection 12 can rotate clockwise in the groove 43 until the positioning block 2 is rotated to be clamped to the position of the lower projection 44. If the positioning block is arranged at the other side of the upper protrusion 12, the upper flange 1 can be rotated counterclockwise.
The height of the positioning block 2 is less than or equal to the sum of the heights of the lower bulge 44 and the upper bulge 12 and is greater than the height of the upper bulge 12, so that the positioning block 2 can be ensured to clamp the lower bulge 44 and the upper bulge 12; if the height of the positioning block 2 is less than or equal to the height of the upper protrusion 12, the positioning block 2 cannot be clamped to the upper protrusion 12 in the horizontal direction after the lower flange 4 rotates, and therefore the positioning block cannot be fixed.
The total length of the positioning block 2 and the upper projection 12 welded together with the positioning block 2 is smaller than the distance between the lower projections 44, so that the positioning block 2 and the upper projection 12 can penetrate through the lower projections 44 to enter the lower flange 4.
The axial view of the connecting pipe 3, the upper flange 1, the lower flange 4, the O-shaped sealing ring 5 and the central positioning sleeve 6 is circular.
Referring to fig. 1 and 2, a fluid transfer pipeline includes a plurality of connecting pipes 3 and a plurality of jaw flange pipeline connection devices of the above embodiment 1; the connecting pipe 3 comprises an upper connecting pipe 31 and a lower connecting pipe 32, and the upper and lower connecting pipes are connected by a jaw flange pipeline connecting device.
The utility model discloses an installation steps of upper and lower connecting pipe as follows:
step 1: welding an upper flange 1 and a lower flange 4 at two ends of a connecting pipe 3 in advance respectively;
step 2: welding the central positioning sleeve 6 on the upper flange 1; assembling an O-shaped sealing ring 5 on the lower flange 4;
and step 3: at the moment, the upper and lower connecting pipes find the positions through the central positioning sleeve 6, the upper flange 1 enters the lower flange 4, the lower flange 4 on the upper connecting pipe 32 rotates clockwise, and when the lower flange rotates to contact the positioning block 2, the lower flange 4 rotates to the position and stops rotating;
and 4, step 4: stop pins are inserted into the through holes of the upper flange 1 and the lower flange 4, and the freedom degree of the connecting pipe 3 is completely limited, so that the installation is completed.
To sum up, the utility model relates to a jaw flange pipeline connecting device, because of adopting jaw flange structure to connect, the center locating sleeve 6 is centered, the center locating sleeve 6 and the upper flange 1 welding structure are convenient for the installation of the connecting pipe 3, the sealing position is reduced, the connecting pipe 3 is safer and more reliable in the using process; the positioning block 2 and the stop pin limit the steering of the lower flange 4, compared with the prior art, the installation efficiency is greatly improved in the drilling and tunneling process, and the overall structure after installation is more reasonable, so that the maintenance time is shortened, and the working efficiency of the equipment is improved.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A jaw flange pipe connection device for connecting an upper connection pipe (32) and a lower connection pipe (31), characterized in that: the jaw flange pipeline connecting device comprises an upper flange (1), a positioning block (2), a lower flange (4), a stop pin and a central positioning sleeve (6);
the upper flange (1) is fixed with a lower connecting pipe (31), and the lower flange (4) is fixed with an upper connecting pipe (32);
the lower end of the inner part of the upper flange (1) and the upper end of the outer part of the lower flange (4) are respectively provided with an upper bulge (12) and a lower bulge (44) which are used for enabling the upper flange and the lower flange to form lap joint;
one side of two symmetrical upper bulges (12) of the upper flange (1) is provided with a positioning block (2), and after the upper flange (1) is butted with the lower flange (4), the positioning block (2) is clamped at one side of the upper bulges (12) and the lower bulges (44) and is used for limiting the rotational freedom degree of the lower flange (4);
a central positioning sleeve (6) is clamped between the upper flange (1) and the lower flange (4), and the central positioning sleeve (6) and the upper flange (1) are of an integral structure and used for fixing the position of the lower flange (4);
vertical through holes are formed in the peripheries of the upper flange (1) and the lower flange (4), and after the upper flange and the lower flange rotate to the position, the stop pin penetrates through the through holes to realize fixation between the upper flange (1) and the lower flange (4).
2. A jaw flange pipe coupling as claimed in claim 1 wherein: the sealing structure also comprises an O-shaped sealing ring (5), and a lower sealing groove (42) is arranged in the lower flange (4); an O-shaped sealing ring (5) is arranged in the lower sealing groove (42).
3. A jaw flange pipe coupling as claimed in claim 1 wherein: an upper positioning table top (11) is arranged in the upper flange (1);
a lower positioning table surface (41), a lower sealing groove (42) and a groove (43) are sequentially arranged in the lower flange (4) from top to bottom;
the central positioning sleeve (6) is arranged between the upper positioning table top (11) and the lower positioning table top (41);
and an upper bulge (12) on the outer part of the upper flange (1) is attached to a groove (43) in the lower flange (4).
4. A jaw flange pipe coupling as claimed in claim 1 wherein: the outer side of the bottom of the upper flange (1) is provided with a positioning spigot, the outer side of the top of the lower flange (4) is provided with a positioning spigot, and the end part of the connecting pipe (3) is provided with a positioning spigot which is opposite to the positioning spigot of the upper flange (1) and the lower flange (4) and is connected with the positioning spigot through welding.
5. A jaw flange pipe coupling as claimed in claim 3 wherein: the lower end part of the central positioning sleeve (6) is connected with the upper positioning table top (11) of the upper flange (1) through welding.
6. A jaw flange pipe coupling as claimed in claim 1 wherein: the height of the positioning block (2) is less than or equal to the sum of the heights of the lower bulge (44) and the upper bulge (12) and is greater than the height of the upper bulge (12).
7. A jaw flange pipe coupling as claimed in claim 1 wherein: the central positioning sleeve (6) is a hollow cylinder, and a positioning groove is arranged at the lower end of the interior of the hollow cylinder.
8. A jaw flange pipe coupling as claimed in claim 1 wherein: the total length of the positioning block (2) and the upper bulge (12) welded together with the positioning block is smaller than the distance between the lower bulges (44).
9. A jaw flange pipe coupling as claimed in claim 1 wherein: the axial directions of the connecting pipe (3), the upper flange (1), the lower flange (4), the O-shaped sealing ring (5) and the central positioning sleeve (6) are all circular structures.
10. A fluid transfer pipeline wherein the connection between a plurality of said pipelines is a dog flange pipeline connection as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021578953.3U CN213776711U (en) | 2020-08-03 | 2020-08-03 | Jaw flange pipeline connecting device and pipeline connected by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021578953.3U CN213776711U (en) | 2020-08-03 | 2020-08-03 | Jaw flange pipeline connecting device and pipeline connected by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776711U true CN213776711U (en) | 2021-07-23 |
Family
ID=76866940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021578953.3U Active CN213776711U (en) | 2020-08-03 | 2020-08-03 | Jaw flange pipeline connecting device and pipeline connected by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776711U (en) |
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2020
- 2020-08-03 CN CN202021578953.3U patent/CN213776711U/en active Active
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