CN221054496U - Rectangular air pipe flange connecting device - Google Patents
Rectangular air pipe flange connecting device Download PDFInfo
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- CN221054496U CN221054496U CN202321763399.XU CN202321763399U CN221054496U CN 221054496 U CN221054496 U CN 221054496U CN 202321763399 U CN202321763399 U CN 202321763399U CN 221054496 U CN221054496 U CN 221054496U
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rectangular air duct flange connection device, and relates to the technical field of flange connection. Firstly, the two flanges are spliced along a first direction by means of the respective locating piece, when the two flanges are spliced to the locating piece and the limiting piece to be mutually abutted, the mounting holes on the flanges of the two flanges are opposite to each other one by one and can keep the state without external force, then the bolts penetrate into the mounting holes, and the connection work of the two flanges is completed, so that the mounting difficulty is reduced, after the two flanges are spliced in the direction, the fact that the mounting holes on the two flanges are opposite to each other one by one can be judged through the abutting of the locating piece and the limiting piece, and the mounting efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of flange connection, in particular to a rectangular air duct flange connection device.
Background
The flange, also called flange dish or flange, belongs to the connecting part, is used for connecting the pipe fitting or other spare parts, uses very extensively. The rectangular flange is an indispensable joint for connecting the rectangular air pipe. The traditional two rectangular flange connections are usually provided with a plurality of mounting holes on the flange edges, and when the installation is carried out, the manual work is needed to accurately correspond the plurality of mounting holes on the two flange edges one by one, and then the two rectangular flange connections are fastened and connected by bolts.
Therefore, a rectangular air duct flange connection device is needed to solve the above technical problems.
Disclosure of utility model
The utility model aims to provide a rectangular air duct flange connection device which can improve the installation efficiency and reduce the burden of workers.
To achieve the purpose, the utility model adopts the following technical scheme:
Rectangular tuber pipe flange joint device includes:
The flange is provided with a rectangular flange plate, a central hole, a positioning piece and a plurality of mounting holes are formed in the flange plate, the mounting holes and the positioning piece are respectively positioned on two opposite sides of the central hole in the first direction, the flange plate is a rectangular flange plate, and the central hole is a rectangular hole;
one of the flange plates is provided with a limiting piece, and the positioning groove and the positioning protrusion can be in plug fit along the first direction, so that the positioning piece on the other flange plate can be abutted with the limiting piece along the first direction, and the mounting holes on the two flange plates are opposite to each other;
The screw bolt and the nut, one end of the screw bolt passes through the two mounting holes correspondingly arranged on the two flanges and then is connected with the nut in a threaded manner.
As a preferable technical scheme of the rectangular air duct flange connection device, the positioning piece on one flange plate is a positioning groove formed in the end face of the flange plate, and the positioning piece on the other flange plate is a positioning protrusion protruding on the end face of the flange plate.
As a preferable technical scheme of the rectangular air duct flange connection device, the flange plate is provided with a plurality of positioning pieces, the positioning pieces are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction;
The positioning pieces of the two flanges can be correspondingly spliced along the first direction.
As a preferable technical scheme of the rectangular air duct flange connecting device, the positioning groove is a wedge-shaped groove, and the positioning protrusion is a wedge-shaped block.
As a preferable technical scheme of the rectangular air duct flange connection device, the first direction is a distribution direction of two opposite side walls of the central hole, and the second direction is a distribution direction of the other two opposite side walls of the central hole;
the longer two side walls of the rectangular central hole are parallel to the longer two side walls of the rectangular flange.
As a preferable technical scheme of the rectangular air duct flange connection device, a plurality of mounting holes on each flange plate are arranged at intervals along the second direction.
As a preferable technical scheme of the rectangular air duct flange connection device, the limiting member is protruding on an end face of the flange plate, and can be inserted into the central hole on the other flange plate, and the end faces of the two flange plates are abutted along an axial direction of the central hole.
As a preferable technical scheme of the rectangular air duct flange connection device, the rectangular air duct flange connection device further comprises: the flange fixing assembly is used for fixing one of the flanges;
and the flange driving assembly is used for driving the other flange to move along the first direction so as to enable the positioning pieces of the two flanges to be spliced along the first direction.
As a preferable technical scheme of the rectangular air duct flange connection device, the rectangular air duct flange connection device further comprises a bolt driving assembly, a bolt driving assembly and a connecting assembly, wherein the bolt driving assembly is used for driving a bolt to move along the axial direction of the mounting holes so as to penetrate the bolt into the corresponding mounting holes on the two flange plates; and the nut driving assembly is used for driving the nut to move along the axial direction of the mounting hole and simultaneously driving the nut to rotate along the circumferential direction so as to enable the nut to be screwed on the bolt.
As a preferable technical scheme of the rectangular air duct flange connection device, the bolt driving assembly comprises a motor and an electric wheel set, wherein the electric wheel set comprises at least one pair of electric wheels which are distributed at intervals along the axial direction of the mounting hole, and a bolt channel is formed between each pair of electric wheels and is used for passing through a bolt, and the bolt channels are opposite to the mounting hole one by one along the axial direction of the mounting hole;
The motor is in transmission connection with the electric wheel set to drive the electric wheel to rotate.
The utility model has the beneficial effects that:
According to the rectangular air duct flange connecting device, the two flanges are spliced along the first direction by means of the positioning pieces, when the two flanges are spliced to the position pieces and the limiting pieces to be abutted against each other, the mounting holes on the flange plates of the two flanges are opposite to each other one by one, the state can be kept without external force, then the bolts penetrate the mounting holes, and the connection work of the two flanges is completed, so that the mounting difficulty is reduced, after splicing, the fact that the mounting holes on the two flange plates are opposite to each other one by one can be judged by abutting the positioning pieces and the limiting pieces, and the mounting efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is an end view schematic illustration of two flanges of a rectangular duct flange connection apparatus provided by the present utility model;
FIG. 2 is a sectional view of a rectangular duct flange connection apparatus according to the present utility model in a mounted flange condition;
fig. 3 is a top view of the rectangular duct flange connection device provided by the utility model.
In the figure:
1. a flange plate; 2. a central bore;
3. A positioning piece; 31. a positioning groove; 32. positioning the bulge;
4. a mounting hole; 5. a limiting piece; 6. a bolt;
7. A bolt driving assembly; 71. a motor; 72. and an electric wheel.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1, the rectangular air duct flange connection device provided by the embodiment comprises two flanges, wherein each flange is provided with a rectangular flange plate 1, a central hole 2, a positioning piece 3 and a plurality of mounting holes 4 are formed in the flange plate 1, and the mounting holes 4 and the positioning pieces 3 are respectively positioned on two opposite sides of the central hole 2 in a first direction; the flange plate 1 is a rectangular flange plate, and the central hole 2 is a rectangular hole; a limiting piece 5 is arranged on one of the flanges 1, and the positioning pieces 3 on the two flanges 1 can be mutually inserted and matched along the first direction, so that the positioning piece 3 on one of the flanges 1 can be abutted with the limiting piece 5 along the first direction, and the mounting holes 4 on the two flanges 1 are opposite to each other one by one;
The rectangular air duct flange connecting device further comprises a bolt 6 and a nut, wherein one end of the bolt 6 penetrates through two corresponding mounting holes 4 formed in the two flange plates 1 and then is connected with the nut in a threaded mode.
During installation, two flanges are inserted in the first direction by means of the positioning pieces 3, when the two flanges are inserted to the mutual butt joint of the positioning pieces 3 and the limiting pieces 5, the mounting holes 4 on the flanges 1 of the two flanges are opposite one by one and can keep the state without external force, then the bolts 6 penetrate the mounting holes 4 and screw nuts with the bolts 6, the connection work of the two flanges is completed, the installation difficulty is reduced, after the two flanges are inserted, the fact that the mounting holes 4 on the two flanges 1 are opposite one by one can be judged by the butt joint of the positioning pieces 3 and the limiting pieces 5, and the installation efficiency is improved.
Specifically, the locating piece 3 on one flange plate 1 is a locating groove 31 formed in the end face of the flange plate 1, and the locating piece 3 on the other flange plate 1 is a locating protrusion 32 protruding from the end face of the flange plate 1, so that the stability of connection of the two flanges can be improved, the number of the installation holes 4 can be properly reduced, and the workload is reduced.
Further, a plurality of positioning pieces 3 are arranged on the flange plate 1, the positioning pieces 3 are arranged at intervals along the second direction, and the first direction is perpendicular to the second direction; the positioning elements 3 of the two flanges 1 can be inserted in a one-to-one correspondence along the first direction. Specifically, the positioning groove 31 is a wedge-shaped groove, and the positioning protrusion 32 is a wedge-shaped block. The stability of the connection can be increased by providing a plurality of one-to-one positioners 3 and a wedge-shaped cross-section design.
Specifically, the first direction is the distribution direction of one opposite two side walls of the central hole 2, and the second direction is the distribution direction of the other opposite two side walls of the central hole 2; the longer two side walls of the rectangular central hole 2 are parallel to the longer two side walls of the flange plate 1, so that the operation is convenient during installation and use.
Specifically, because the cross sections of the flange plate 1 and the central hole 2 are rectangular, the plurality of mounting holes 4 are arranged at intervals along the second direction, the processing difficulty is low, and a better fixing effect can be achieved.
Further, the locating part 5 is protruding to locate the terminal surface of ring flange 1, can insert in the centre bore 2 on another ring flange 1, and makes the terminal surface of two ring flanges 1 along the axial butt of centre bore 2, under the prerequisite that can play the limiting displacement, when two flange installations are accomplished, locating part 5 is sheltered from inside the flange, does not influence outside pleasing to the eye.
Further, the rectangular air duct flange connecting device further comprises a flange fixing assembly for fixing one of the flanges; illustratively, the flange fixing assembly is a three-jaw chuck capable of fixing one of the flanges;
The flange driving assembly can grasp the other flange and plug the flange with the fixed flange along the first direction; illustratively, the flange drive assembly is an electric pushrod capable of pushing another flange in a first direction.
Further, the rectangular air duct flange connecting device further comprises a bolt driving assembly 7 for driving the bolts 6 to move along the axial direction of the mounting holes 4 so as to enable the bolts 6 to respectively pass through the two mounting holes 4 in a one-to-one correspondence manner; the rectangular air duct flange connection device further comprises a nut driving assembly for driving the nut to move along the axial direction of the mounting hole 4 and simultaneously driving the nut to rotate along the circumferential direction so that the nut is screwed on the bolt 6.
The nut driving assembly comprises an electric push rod and a motor, wherein the movable end of the electric push rod is connected to the fixed end of the motor, and a nut clamp is arranged at the movable end of the motor and used for clamping or loosening a nut.
In the process of installing the flange, after the flange driving assembly is stopped, the bolt driving assembly 7 starts to drive the bolt 6 to move and pass through the corresponding installation hole 4, then the nut is installed to the nut clamp and clamped, the nut driving assembly is started, the motor drives the nut clamp to rotate along the axial direction of the installation hole 4, and meanwhile, the electric push rod pushes the motor to move along the axial direction of the installation hole 4, the nut is screwed on the bolt 6, and workers are not required to manually install the bolt 6 and the nut one by one.
Specifically, the bolt driving assembly 7 comprises a motor 71 and an electric wheel set 72, the electric wheel set 72 comprises at least one pair of electric wheels which are distributed at intervals along the axial direction of the mounting hole 4, and a bolt channel is formed between each pair of electric wheels and is used for passing through the bolts 6, and the bolt channels are opposite to the mounting hole 4 one by one along the axial direction of the mounting hole 4; the motor 71 is in transmission connection with the electric wheel set 72 to drive the electric wheel to rotate.
The bolt driving assembly 7 is provided with 3 groups of electric wheel sets 72, each group of electric wheel sets 72 is opposite to two coaxial mounting holes 4, and each group of electric wheel sets 72 can accurately penetrate bolts 6 into the corresponding two mounting holes; each set of electric wheel sets 72 is provided with 3 pairs of electric wheels so that the bolts 6 are smoothly carried to the mounting holes 4.
Further, the outer wall of each electric wheel is provided with annular grooves corresponding to the mounting holes 4 one by one, the positioning grooves are arranged in a penetrating manner along the axial direction of the mounting holes 4, and bolt channels are formed in the openings of the positioning grooves of each pair of electric wheels oppositely, so that bolts 6 can be stably fed into the mounting holes.
In other embodiments, a set of electric wheel sets 72 may be further provided, the electric wheels are in a roller structure, annular grooves which are opposite to the mounting holes 4 one by one along the axial direction of the mounting holes are provided on each electric wheel, and the annular grooves on each pair of electric wheels are in one-to-one correspondence and the openings are opposite to form bolt channels.
Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (9)
1. The rectangular air duct flange connection device is characterized by comprising two flanges, wherein each flange is provided with a flange plate (1), a central hole (2), a positioning piece (3) and a plurality of mounting holes (4) are formed in the flange plate (1), and the mounting holes (4) and the positioning piece (3) are respectively positioned on two opposite sides of the central hole (2) in the first direction;
the flange plate (1) is a rectangular flange plate, the central hole (2) is a rectangular hole, and the first direction is perpendicular to the axial direction of the central hole (2);
A limiting piece (5) is arranged on one of the flange plates (1), and the positioning pieces (3) on the two flange plates (1) can be mutually inserted and matched along the first direction, so that the positioning piece (3) on one of the flange plates (1) can be abutted with the limiting piece (5) along the first direction, and the mounting holes (4) on the two flange plates (1) are opposite to each other along the axial direction of the central hole (2);
The bolt (6) and the nut, one end of the bolt (6) passes through two mounting holes (4) correspondingly arranged on the two flanges (1) and then is connected with the nut in a threaded manner;
One of the positioning pieces (3) on the flange plate (1) is a positioning groove (31) formed in the end face of the flange plate (1), and the other positioning piece (3) on the flange plate (1) is a positioning protrusion (32) protruding on the end face of the flange plate (1).
2. The rectangular air duct flange connection device according to claim 1, wherein a plurality of positioning members (3) are arranged on the flange plate (1), the positioning members (3) are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction;
the positioning pieces (3) of the two flanges (1) can be correspondingly inserted in one-to-one mode along the first direction.
3. The rectangular duct flange connection according to claim 2, characterized in that the positioning groove (31) is a wedge-shaped groove and the positioning protrusion (32) is a wedge-shaped block.
4. The rectangular duct flange connection according to claim 2, wherein the first direction is a distribution direction of one opposite side wall of the central hole (2), and the second direction is a distribution direction of the other opposite side wall of the central hole (2);
The longer two side walls of the rectangular central hole (2) are parallel to the longer two side walls of the rectangular flange plate.
5. A rectangular ductwork flange connection according to claim 2, characterized in that a plurality of said mounting holes (4) in each of said flanges (1) are arranged at intervals in the second direction.
6. Rectangular duct flange connection according to claim 1, characterized in that the stop element (5) is arranged protruding on the end face of the flange plate (1) and can be inserted into the central hole (2) on the other flange plate (1), and the end faces of the two flange plates (1) are made to abut along the axial direction of the central hole (2).
7. The rectangular duct flange connection of claim 1 further comprising:
The flange fixing assembly is used for fixing one of the flanges;
The flange driving assembly is used for driving the other flange to move along the first direction so as to enable the positioning pieces (3) of the two flanges to be spliced along the first direction, and the flange driving assembly is an electric push rod.
8. The rectangular duct flange connection of claim 6 further comprising:
The bolt driving assembly (7) is used for driving the bolts (6) to move along the axial direction of the mounting holes so as to penetrate the bolts (6) into the two corresponding mounting holes (4) on the two flange plates (1);
A nut driving assembly for driving the nut to move in the axial direction of the mounting hole (4) and simultaneously driving the nut to rotate in the circumferential direction so as to screw the nut to the bolt (6); the nut driving assembly comprises an electric push rod and a motor, wherein the movable end of the electric push rod is connected to the fixed end of the motor, and a nut clamp is arranged at the movable end of the motor and is used for clamping or loosening a nut.
9. The rectangular duct flange connection device according to claim 8, wherein the bolt driving assembly (7) comprises a motor (71) and an electric wheel set (72), the electric wheel set (72) comprises at least one pair of electric wheels which are distributed at intervals along the axial direction of the mounting hole (4), and a bolt channel is formed between each pair of electric wheels and is used for passing through bolts (6), and the bolt channels are opposite to the mounting hole (4) one by one along the axial direction of the mounting hole (4);
The motor (71) is in transmission connection with the electric wheel set (72) to drive the electric wheel to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321763399.XU CN221054496U (en) | 2023-07-06 | 2023-07-06 | Rectangular air pipe flange connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321763399.XU CN221054496U (en) | 2023-07-06 | 2023-07-06 | Rectangular air pipe flange connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054496U true CN221054496U (en) | 2024-05-31 |
Family
ID=91204302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321763399.XU Active CN221054496U (en) | 2023-07-06 | 2023-07-06 | Rectangular air pipe flange connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054496U (en) |
-
2023
- 2023-07-06 CN CN202321763399.XU patent/CN221054496U/en active Active
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