CN213236454U - Vacuum pipeline reducing adapter flange - Google Patents
Vacuum pipeline reducing adapter flange Download PDFInfo
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- CN213236454U CN213236454U CN202022284768.XU CN202022284768U CN213236454U CN 213236454 U CN213236454 U CN 213236454U CN 202022284768 U CN202022284768 U CN 202022284768U CN 213236454 U CN213236454 U CN 213236454U
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Abstract
The utility model discloses a vacuum pipeline reducing adapter flange, including flange body, draw-in groove, fixed orifices and adapter through-hole, the adapter through-hole axial sets up in the middle part of flange body, the adapter through-hole includes hole one and hole two that set up respectively in flange body both sides, and the diameter of hole one equals the diameter of the path pipeline that the flange body is connected, the diameter of hole two is greater than the diameter of hole one, set up the water conservancy diversion hole that the diameter is grow gradually between hole one and hole two, the flange body and the terminal surface of hole one homonymy distribute circumferentially have a plurality ofly the fixed orifices with the draw-in groove; the utility model provides a vacuum pipe reducing adapter flange not only can realize the quick simple butt joint of pipeline of different latus rectum, and is small moreover, and the conductance loss is little.
Description
Technical Field
The utility model relates to a switching flange technical field especially relates to a vacuum pipe reducing switching flange.
Background
Flanges (Flange) are parts for realizing the mutual connection between pipelines, and are also called Flange discs or flanges; there are also flanges on the inlet and outlet of the device for connection between two devices. The reducing adapter flange is a part for connecting pipelines with different drift diameters (pipeline inner diameters). The existing radial flange (as shown in fig. 1 and 2) is large in size, and the butt joint pipeline is long, so that the conductance loss is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vacuum pipe reducing adapter flange to solve the problem that above-mentioned prior art exists, the device not only can realize the quick simple butt joint of pipeline of different latus rectum, and is small moreover, and the conductance loss is little.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a vacuum pipe reducing adapter flange, including flange body, draw-in groove, fixed orifices and adapter hole, the adapter hole axial set up in the middle part of flange body, the adapter hole including set up respectively in the hole one and the hole two of flange body both sides, the diameter of hole one with the diameter of the path pipeline of this body coupling of flange equals, the diameter of hole two is greater than the diameter of hole one, hole one with set up the water conservancy diversion hole of diameter grow gradually between the hole two, on the flange body with circumference distribution has a plurality ofly on the terminal surface of hole one homonymy the fixed orifices with the draw-in groove.
Preferably, the clamping grooves are formed in the edge of the end face of the flange body, and four clamping grooves are evenly distributed in the circumferential direction.
Preferably, the number of the fixing holes is four, and one fixing hole is arranged between every two clamping grooves.
Preferably, the clamping groove is of an arc groove body structure.
The utility model discloses following beneficial technological effect has been gained for prior art:
the utility model provides a vacuum pipe reducing adapter flange has adopted the design of integration part, compares with other adapter flange, has shorter switching distance, consequently can not only practice thrift the space, can obtain bigger conductance moreover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vacuum pipe reducing adapter flange in the prior art;
FIG. 2 is a schematic diagram of an assembly structure of a vacuum pipe reducing adapter flange in the prior art;
fig. 3 is a schematic perspective view of a vacuum pipe reducing adapter flange according to the present invention;
fig. 4 is a left side view of the vacuum pipe reducing adapter flange according to the present invention;
fig. 5 is a right side view of the vacuum pipe reducing adapter flange according to the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 4;
fig. 7 is a schematic view of an assembly structure of the vacuum pipe reducing adapter flange of the present invention;
in the figure: 1A-a switching flange, 11-a flange body, 12-a clamping groove, 13-a fixing hole and 14-a switching through hole; 1B-adapting flange in the prior art; 2-a pipeline with the drift diameter of 100 mm; 3-pipeline with diameter of 70 mm; 4-LF100 flange seal support; 5-LF100 flange sealing O ring; 6-LF100 calipers; 7-6-LF63 caliper; 8-6-LF100 calipers; 9-LF63 flange seal support; 10-LF63 flange seals O-rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a vacuum pipe reducing adapter flange to solve the problem that prior art exists.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The vacuum pipeline reducing adapter flange in the embodiment is shown in fig. 3-6 and comprises a flange body 11, a clamping groove 12, a fixing hole 13 and an adapter through hole 14, wherein the adapter through hole 14 is axially arranged in the middle of the flange body 11, the adapter through hole 14 comprises a first hole and a second hole which are respectively arranged on two sides of the flange body 11, the diameter of the first hole is equal to that of a small-diameter pipeline connected with the flange body 11, the diameter of the second hole is larger than that of the first hole, a flow guide hole with the diameter gradually increased is formed between the first hole and the second hole, and a plurality of fixing holes 13 and clamping grooves 12 are circumferentially distributed on the end face of the flange body 11 on the same side as the first hole.
In this embodiment, the clamping grooves 12 are arc-shaped groove structures and are disposed at the edge of the end surface of the flange body 11, and four clamping grooves are uniformly distributed in the circumferential direction. Four fixing holes 13 are uniformly distributed in the circumferential direction, and one fixing hole 13 is arranged between every two clamping grooves 12.
As shown in fig. 7, taking butt joint of two pipelines with the drift diameters of DN70 and DN100 as an example, first, the LF100 flange seal support 4 and the LF100 flange seal O-ring 5 are installed on the right side of the adapter flange 1A, the flange (flange model LF100) of the pipeline 2 with the drift diameter of 100mm is butted with the other sides of the LF100 flange seal support 4 and the LF100 flange seal O-ring 5, and then the 6-LF100 caliper 8 (through hole) and the LF100 caliper 6(M10 thread) are clamped on the clamping groove 12 of the adapter flange 1A, and the adapter flange 1A and the pipeline flange of the pipeline 2 with the drift diameter of 100mm are fixed together. Then according to the same method, an LF63 flange sealing support 9 and an LF63 flange sealing O ring 10 are arranged on the left side of the adapter flange 1A, a pipeline flange (flange model LF63) of the pipeline 3 with the drift diameter of 70mm is butted with the other sides of the LF63 flange sealing support 9 and the LF63 flange sealing O ring 10, the reducing adapter flange and the pipeline flange of the pipeline 3 with the drift diameter of 70mm are fixed together through bolts and 6-LF63 calipers 7, one end of the 6-LF63 calipers 7 is clamped on the pipeline flange of the pipeline 3 with the drift diameter of 70mm, and the other end of the 6-LF63 calipers 7 is fixedly connected with a fixing hole in the adapter flange 1A through bolts.
The principle and the implementation of the present invention are explained by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (4)
1. The utility model provides a vacuum pipe reducing adapter flange which characterized in that: the flange comprises a flange body, a clamping groove, a fixing hole and a through hole, wherein the through hole is axially arranged in the middle of the flange body, the through hole comprises a first hole and a second hole which are respectively arranged on two sides of the flange body, the diameter of the first hole is equal to that of a small-diameter pipeline connected with the flange body, the diameter of the second hole is larger than that of the first hole, a flow guide hole with the diameter gradually increased is formed between the first hole and the second hole, and a plurality of fixing holes and clamping grooves are circumferentially distributed on the flange body and on the end face on the same side with the first hole.
2. The vacuum pipe reducing adapter flange according to claim 1, wherein: the draw-in groove set up in the edge of flange body terminal surface, and the circumference equipartition has four.
3. The vacuum pipe reducing adapter flange according to claim 2, wherein: four fixing holes are evenly distributed in the circumferential direction, and one fixing hole is arranged between every two clamping grooves.
4. The vacuum pipe reducing adapter flange according to claim 2, wherein: the clamping groove is of an arc groove body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022284768.XU CN213236454U (en) | 2020-10-14 | 2020-10-14 | Vacuum pipeline reducing adapter flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022284768.XU CN213236454U (en) | 2020-10-14 | 2020-10-14 | Vacuum pipeline reducing adapter flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213236454U true CN213236454U (en) | 2021-05-18 |
Family
ID=75880736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022284768.XU Active CN213236454U (en) | 2020-10-14 | 2020-10-14 | Vacuum pipeline reducing adapter flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213236454U (en) |
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2020
- 2020-10-14 CN CN202022284768.XU patent/CN213236454U/en active Active
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