CN212131621U - Flange for connecting different air pipes - Google Patents
Flange for connecting different air pipes Download PDFInfo
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- CN212131621U CN212131621U CN202020513613.6U CN202020513613U CN212131621U CN 212131621 U CN212131621 U CN 212131621U CN 202020513613 U CN202020513613 U CN 202020513613U CN 212131621 U CN212131621 U CN 212131621U
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Abstract
The utility model relates to an air duct installation technical field, in particular to a flange for connecting different air ducts, which solves the defect of high limitation existing in the prior art, comprises two sets of first flange connecting plates and second flange connecting plates which are arranged oppositely and an air duct body, wherein the first flange connecting plates and the second flange connecting plates are respectively provided with a first expansion plate and a second expansion plate which are symmetrically arranged in a sliding way, and one side of the first expansion plate is fixedly connected with the end part of the second expansion plate through screws; this flange spare is when using, and the size of a dimension that flange was adjusted to two rotatable regulation poles of personnel, and on the one hand, this flange spare can be applicable to the tuber pipe of multiple size, has removed the restriction of production side, can volume production in advance, and on the other hand can reserve the installation hole site in advance when the tuber pipe installation, and the flange can be adjusted according to the installation hole site when the tuber pipe is connected for the installation progress of tuber pipe has stronger practicality.
Description
Technical Field
The utility model relates to an tuber pipe installation technical field especially relates to a flange that is used for different tuber pipes to connect.
Background
The air duct is a duct system for conveying and distributing air. There are two kinds of composite air pipe and inorganic air pipe. The composite air duct is represented by an air duct. They can be classified according to their sectional shapes and materials. The stainless steel air duct is made by coating sealing glue (such as neutral glass cement) on the seams such as seaming seam, rivet seam, flange flanging four corners, etc. Before the sealant is coated, dust and oil stains on the surface are removed. According to the cross section shape, the air pipe can be divided into a circular air pipe, a rectangular air pipe, an oblate air pipe and the like, wherein the circular air pipe has the smallest resistance but the largest height and size, and is complex to manufacture. So the application is mainly based on a rectangular air pipe. The air pipe can be divided into a metal air pipe, a composite air pipe and a polymer air pipe according to the material.
At present, the flange spare that is used for the tuber pipe installation in the market is fixed, and the size of flange needs and tuber pipe phase-match, and the limitation is higher, on the one hand, makes the production side receive the restriction (can not carry out the volume production promptly), and on the other hand has prolonged the installation progress of engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that has the limitation higher among the prior art, and the flange that is used for different tuber pipes to connect that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flange for connecting different air pipes comprises two groups of first flange connecting plates and second flange connecting plates which are oppositely arranged and an air pipe body, wherein a first expansion plate and a second expansion plate which are symmetrically arranged are respectively arranged in the first flange connecting plates and the second flange connecting plates in a sliding mode, and one side of the first expansion plate is fixedly connected with the end part of the second expansion plate through screws;
the first movable plates are welded on one sides, close to the end parts, of the two first telescopic plates, the second movable plates are welded on the end parts of the two first telescopic plates, first support plates which are symmetrically arranged are fixed on one side of one first flange connecting plate through bolts, a first adjusting rod is rotatably installed between the two first support plates, and first threaded rods are welded at two ends of the first adjusting rod;
one side of one of the second flange connecting plates is fixed with symmetrically arranged second supporting plates through bolts, a second adjusting rod is rotatably installed between the two second supporting plates, second threaded rods are welded at two ends of the second adjusting rod, and the first threaded rod and the second threaded rod are in threaded connection with the first moving plate and the second moving plate respectively.
Preferably, mounting holes are formed in the second flange connecting plate and the first expansion plate, and screw holes matched with the mounting holes are formed in the air pipe body.
Preferably, a first telescopic groove and a second telescopic groove are formed in the first flange connecting plate and the second flange connecting plate respectively, and the first telescopic plate and the second telescopic plate are connected with the first telescopic groove and the second telescopic groove in a sliding mode respectively.
Preferably, limiting plates are welded at the end parts of the first threaded rod and the second threaded rod.
Preferably, one side of the first flange connecting plate is provided with a yielding groove.
Preferably, first bearings are installed in the two first supporting plates, second bearings are installed in the two second supporting plates, and the first adjusting rod and the second adjusting rod are respectively sleeved in the first bearings and the second bearings.
Preferably, the first round hole and the second round hole are formed in the first moving plate and the second moving plate respectively, the first nut and the second nut are fixed in the first round hole and the second round hole respectively through countersunk bolts, and the first threaded rod and the second threaded rod are in threaded connection with the first nut and the second nut respectively.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages of simple structure and reasonable design, through first flange joint board, the second flange joint board, the setting of first regulation pole and second regulation pole isotructure, this flange spare is when using, the size of a dimension that the flange was adjusted to two rotatable regulation poles of personnel, on the one hand, this flange spare can be applicable to the tuber pipe of multiple size, the restriction of production side has been removed, volume production in advance can be in advance, on the other hand can reserve the installation hole site when the tuber pipe is installed in advance, the flange can be adjusted according to the installation hole site when the joint line, the installation progress of tuber pipe has been accelerated, stronger practicality has.
Drawings
Fig. 1 is a schematic structural view of a flange for connecting different air pipes according to the present invention;
fig. 2 is a cross-sectional view of a flange for connecting different air pipes according to the present invention;
fig. 3 is an installation schematic diagram of a flange for connecting different air ducts according to the present invention.
In the figure: the air duct comprises a first flange connecting plate 1, a second flange connecting plate 2, a first expansion plate 3, a receding groove 4, a second expansion plate 5, a mounting hole 6, a first moving plate 7, a second moving plate 8, a first adjusting rod 9, a second adjusting rod 10, a first threaded rod 11, a second threaded rod 12, a first supporting plate 13, a second supporting plate 14, a limiting plate 15, a first expansion groove 16, a second expansion groove 17 and an air duct body 18.
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.
Referring to fig. 1-3, a flange for connecting different air pipes comprises two sets of first flange connecting plates 1 and second flange connecting plates 2 which are arranged oppositely, and an air pipe body 18, wherein a first expansion plate 3 and a second expansion plate 5 which are symmetrically arranged are respectively arranged in the first flange connecting plates 1 and the second flange connecting plates 2 in a sliding manner, and one side of the first expansion plate 3 is fixedly connected with the end part of the second expansion plate 5 through screws; one side, close to the end parts, of each of the two first telescopic plates 3 is welded with a first moving plate 7, the end parts of the two first telescopic plates 3 are welded with second moving plates 8, one side of one first flange connecting plate 1 is fixed with first supporting plates 13 which are symmetrically arranged through bolts, a first adjusting rod 9 is rotatably arranged between the two first supporting plates 13, and two ends of the first adjusting rod 9 are welded with first threaded rods 11; one side of one of the second flange connecting plates 2 is fixed with symmetrically arranged second supporting plates 14 through bolts, a second adjusting rod 10 is rotatably arranged between the two second supporting plates 14, second threaded rods 12 are welded at two ends of the second adjusting rod 10, and a first threaded rod 11 and a second threaded rod 12 are respectively in threaded connection with a first moving plate 7 and a second moving plate 8, through the arrangement of the structures of the first flange connecting plate 1, the second flange connecting plate 2, the first adjusting rod 9, the second adjusting rod 10 and the like, when the flange piece is used, a person can rotate the two adjusting rods to adjust the size of the flange, on one hand, the flange piece can be suitable for air pipes with various sizes, the limitation of a production party is removed, mass production can be carried out in advance, on the other hand, hole positions can be reserved in advance when the air pipes are installed, and the flange can be adjusted according to the installation hole positions when being connected, the installation progress of the air pipe is accelerated, the practicability is high, the second flange connecting plate 2 and the first expansion plate 3 are respectively provided with an installation hole, the air pipe body 18 is provided with a screw hole matched with the installation hole, the first flange connecting plate 1 and the second flange connecting plate 2 are respectively provided with a first expansion groove 16 and a second expansion groove 17, the first expansion plate 3 and the second expansion plate 5 are respectively connected with the inner parts of the first expansion groove 16 and the second expansion groove 17 in a sliding manner, the end parts of the first threaded rod 11 and the second threaded rod 12 are respectively welded with a limiting plate 15, one side of the first flange connecting plate 1 is provided with a abdication groove 4, the two first supporting plates 13 are respectively provided with a first bearing, the two second supporting plates 14 are respectively provided with a second bearing, the first adjusting rod 9 and the second adjusting rod 10 are respectively sleeved inside the first bearing and the second bearing, the first movable plate 7 and the second movable plate 8 are respectively provided with a first round hole and a second round hole, the first nut and the second nut are fixed inside the first round hole and the second round hole respectively through countersunk head bolts, and the first threaded rod 11 and the second threaded rod 12 are in threaded connection inside the first nut and the second nut respectively.
In the embodiment, when the air pipes are installed, the two flange pieces are used for being connected with the two air pipes, and the flanges are connected with the air pipes through the matching of the installation holes 6 on the flange pieces and the screw holes on the air pipe body 18;
furthermore, aiming at the sizes of different air pipes and the opening positions of different screw holes, the opening positions of the screw holes can be defined as positions which are the same size with the edge of the air pipe (such as the opening positions shown in fig. 3, no matter how large the size of the air pipe is, the mounting holes 6 on the flange can be aligned with the screw holes after being adjusted in place along with the size), a person can rotate the first adjusting rod 9 and the second adjusting rod 10, after the two adjusting rods rotate, the first threaded rod 11 and the second threaded rod 12 rotate to act on the movement of the nuts in the first moving plate 7 and the second moving plate 8, the nuts drive the two moving plates to move, when the first moving plate 7 moves, the first moving plate 7 drives the first expansion plate 3 to expand and contract in the first flange connecting plate 1, so as to change the transverse size of the flange, when the second moving plate 8 moves, the first expansion plate 3 is driven to move, and the first expansion plate 3 drives the second expansion plate 5 to expand and contract in the second, thereby changing the longitudinal dimension of the flange, being applicable to air pipes in various size ranges and having wider application range;
it should be noted that the receding groove 4 is formed at the first flange connection plate 1 to facilitate the rotation of the first adjustment lever 9 by a person, and when the first adjustment lever 9 and the second adjustment lever 10 stop operating, the size of the flange does not change by itself due to the threaded connection between the nut and the threaded rod, and the flange has strong fixity and is convenient to adjust.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The flange for connecting different air pipes comprises two groups of first flange connecting plates (1) and second flange connecting plates (2) which are arranged oppositely and an air pipe body (18), and is characterized in that a first expansion plate (3) and a second expansion plate (5) which are symmetrically arranged are arranged inside the first flange connecting plates (1) and the second flange connecting plates (2) in a sliding mode respectively, and one side of the first expansion plate (3) is fixedly connected with the end portion of the second expansion plate (5) through screws;
the two first telescopic plates (3) are welded with first moving plates (7) on one sides close to the end parts, the second moving plates (8) are welded on the end parts of the two first telescopic plates (3), first support plates (13) which are symmetrically arranged are fixed on one side of one first flange connecting plate (1) through bolts, a first adjusting rod (9) is rotatably installed between the two first support plates (13), and first threaded rods (11) are welded at two ends of the first adjusting rod (9);
one side of one of the second flange connecting plates (2) is fixed with symmetrically arranged second supporting plates (14) through bolts, a second adjusting rod (10) is installed between the two second supporting plates (14) in a rotating mode, second threaded rods (12) are welded to the two ends of the second adjusting rod (10), and the first threaded rods (11) and the second threaded rods (12) are in threaded connection with the first moving plate (7) and the second moving plate (8) respectively.
2. The flange for connecting different air pipes according to claim 1, wherein the second flange connecting plate (2) and the first expansion plate (3) are provided with mounting holes, and the air pipe body (18) is provided with screw holes matched with the mounting holes.
3. The flange for connecting different air pipes according to claim 1, wherein a first telescopic groove (16) and a second telescopic groove (17) are respectively formed in the first flange connecting plate (1) and the second flange connecting plate (2), and the first telescopic plate (3) and the second telescopic plate (5) are respectively in sliding connection with the first telescopic groove (16) and the second telescopic groove (17).
4. A flange for different air duct connections according to claim 1, characterized in that the ends of the first threaded rod (11) and the second threaded rod (12) are welded with limiting plates (15).
5. The flange for connecting different air pipes according to claim 1, wherein one side of the first flange connecting plate (1) is provided with a relief groove (4).
6. A flange for different air pipe connections according to claim 1, wherein a first bearing is installed inside each of the two first supporting plates (13), a second bearing is installed inside each of the two second supporting plates (14), and the first adjusting rod (9) and the second adjusting rod (10) are respectively sleeved inside the first bearing and the second bearing.
7. The flange for connecting different air pipes according to claim 1, wherein the first moving plate (7) and the second moving plate (8) are respectively provided with a first round hole and a second round hole inside, a first nut and a second nut are respectively fixed inside the first round hole and the second round hole through countersunk bolts, and the first threaded rod (11) and the second threaded rod (12) are respectively in threaded connection inside the first nut and the second nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513613.6U CN212131621U (en) | 2020-04-10 | 2020-04-10 | Flange for connecting different air pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513613.6U CN212131621U (en) | 2020-04-10 | 2020-04-10 | Flange for connecting different air pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131621U true CN212131621U (en) | 2020-12-11 |
Family
ID=73687184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020513613.6U Active CN212131621U (en) | 2020-04-10 | 2020-04-10 | Flange for connecting different air pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131621U (en) |
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2020
- 2020-04-10 CN CN202020513613.6U patent/CN212131621U/en active Active
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