Reducing flange
The clamping structure and spring limit design of the different-diameter flange solve the adjustment problem when the flange-connected workpieces are not on the same horizontal plane, achieving flexible adjustment and stable connection effects.
Patent Information
- Application Number
- CN202422241545.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-09-13
AI Technical Summary
During the use of existing reducing flanges, the workpieces connected by the flanges at both ends may not be in the same horizontal plane, and need to be adjusted according to actual conditions.
A reducing flange is designed. Through the clamping structure of the first connecting sleeve and the second connecting sleeve, combined with the use of a rotating rod and a connecting rod, the device can be adjusted at a certain angle, and the stability and flexibility of the connection are ensured by the spring limit design.
The flexible adjustment and stable connection of the reducing flange at different angles are realized, which improves the flexibility and practicality of use and reduces the probability of cavity at the connection.
Smart Images

Figure CN223318677U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flanges, in particular to a reducing flange. Background Art
[0002] A flange, also known as a flanged disc or flange, is a component used to connect shafts and pipe ends. Flanges are also used on equipment inlets and outlets, such as reducer flanges, to connect two pieces of equipment. A flange connection, or flange joint, is a removable connection consisting of a flange, a gasket, and bolts, forming a combined sealing structure.
[0003] A reducing flange with publication number CN218582530U has the following defects during use:
[0004] The utility model is achieved by threading the first connecting flange and the second connecting flange at both ends of the connecting sleeve, the internal aperture sizes of the first connecting flange and the second connecting flange are inconsistent, a first plastic steel pipe sleeve is fixedly installed at the middle position inside the connecting sleeve, and a second plastic steel pipe sleeve and a third plastic steel pipe sleeve are respectively provided on the inner walls of the internal fluid channels of the first connecting flange and the second connecting flange. In this way, the first connecting flange and the second connecting flange of different diameters can be selected to be threadedly connected to the two ends of the connecting sleeve, and the connecting sleeve can facilitate the combination of the first connecting flange and the second connecting flange of different diameters, so that this reducing flange has a split structure, which effectively improves the flexibility and practicality of the reducing flange. However, in actual use, the workpieces connected by the flanges at both ends may not be in the same horizontal plane for operation, and need to be adjusted according to actual conditions. For this reason, we propose a reducing flange. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the present invention provides a different-diameter flange, which solves the problem that the workpieces connected by the flanges at both ends may not be in the same horizontal plane during actual use and need to be adjusted according to actual conditions.
[0006] The above technical objectives of the present invention are achieved through the following technical solutions:
[0007] A reducing flange includes a first connecting sleeve, a second connecting sleeve is provided on one side of the first connecting sleeve, two connecting plates are fixedly installed on one side of the first connecting sleeve, a connecting block is fixedly installed on one side of the second connecting sleeve, a first through hole is opened on one side of the connecting plate, and rotating rods are fixedly installed on both sides of the connecting block, and the first connecting sleeve and the second connecting sleeve are detachably connected together through the first through hole and the rotating rod.
[0008] Preferably, a first connecting pipe is provided inside each of the first connecting sleeve and the second connecting sleeve, a thread is provided on the outer wall of the first connecting pipe, and the first connecting pipe and the first connecting sleeve are threadedly connected together.
[0009] Preferably, a second connecting pipe is provided on one side of the first connecting pipe, the second connecting pipe is communicated with the interior of the first connecting pipe, and a flange body is provided inside the second connecting pipe.
[0010] Preferably, a fixing plate is fixedly installed inside the second connecting tube, a second through hole is opened on one side of the fixing plate, a connecting rod is fixedly installed on one side of the flange body, and the flange body is clamped in the inside of the second connecting tube through the second through hole and the connecting rod.
[0011] Preferably, the connecting rod is composed of a cylindrical portion and a disc portion, and a spring is sleeved on the outer wall of the cylindrical portion of the connecting rod. The spring is limited by the disc portion of the connecting rod and the second through hole.
[0012] Preferably, a plurality of connection holes are opened on one side of the flange body, a plurality of placement grooves are opened on one side of the flange body, the placement grooves are connected to the connection holes, and a sealing gasket is fixedly installed inside the placement grooves.
[0013] The design of the sealing gasket can ensure the stability of the connection and reduce the probability of cavity formation through its high friction and deformation ability.
[0014] In summary, the present invention has the following beneficial effects:
[0015] 1. By providing the first connecting sleeve and the snap-fit design of the first connecting sleeve and the second connecting sleeve, the device body can be adjusted at a certain angle, making the device more flexible when used and able to be fixedly installed at different angles;
[0016] 2. By setting the connecting rod, on the one hand, the flange body can be rotated while ensuring stability, and on the other hand, it can produce a horizontal displacement to a certain extent, which is convenient for the device to be connected with other devices. Through the design of the spring, the flange body can be displaced in the horizontal direction and connected to the device. When the connection is released, it can return to its original position, which is convenient for the next connection. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0018] Figure 2 This is a schematic diagram of the split structure of the utility model;
[0019] Figure 3 It is a schematic diagram of the flange body structure of the present utility model.
[0020] Figure numerals: 1. first connecting sleeve; 2. second connecting sleeve; 3. connecting plate; 4. connecting block; 5. first through hole; 6. rotating rod; 7. first connecting pipe; 8. second connecting pipe; 9. flange body; 10. fixing plate; 11. second through hole; 12. connecting rod; 13. spring; 14. connecting hole; 15. placement groove; 16. sealing gasket. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] refer to Figure 1-Figure 3 , a reducing flange, including a first connecting sleeve 1, a second connecting sleeve 2 is provided on one side of the first connecting sleeve 1, and the clamping design of the first connecting sleeve 1 and the second connecting sleeve 2 can make the device body adjustable at a certain angle, making the device more flexible when in use and able to be fixedly installed at different angles, two connecting plates 3 are fixedly installed on one side of the first connecting sleeve 1, a connecting block 4 is fixedly installed on one side of the second connecting sleeve 2, a first through hole 5 is opened on one side of the connecting plate 3, and a rotating rod 6 is fixedly installed on both sides of the connecting block 4, and the first connecting sleeve 1 and the second connecting sleeve 2 are detachably clamped together through the first through hole 5 and the rotating rod 6;
[0023] The first connecting sleeve 1 and the second connecting sleeve 2 are both provided with a first connecting pipe 7, and the outer wall surface of the first connecting pipe 7 is provided with a thread, and the first connecting pipe 7 and the first connecting sleeve 1 are threadedly connected together. The design of the threaded connection of the first connecting pipe 7 can ensure stability while facilitating the disassembly and replacement of the device at any time, indirectly increasing the service life of the device. A second connecting pipe 8 is provided on one side of the first connecting pipe 7, and the second connecting pipe 8 is communicated with the interior of the first connecting pipe 7. A flange body 9 is provided on the interior of the second connecting pipe 8. Through the design of the two flange bodies 9, it can be connected to different workpieces, and with the clamping design of the first connecting sleeve 1 and the second connecting sleeve 2, the device can be used as a joint structure, a mechanical structure that can adjust the connection at a certain angle, a fixing plate 10 is fixedly installed on the interior of the second connecting pipe 8, and a second through hole 11 is opened on one side of the fixing plate 10, and a connecting rod 12 is fixedly installed on one side of the flange body 9, and the flange body 9 is clamped in the second connecting The interior of the tube 8 can, through the design of the connecting rod 12, on the one hand, enable the flange body 9 to rotate while ensuring stability, and on the other hand, can, to a certain extent, cause it to produce a horizontal displacement, which is convenient for the device to be connected with other devices. The connecting rod 12 consists of a cylindrical part and a disc part. The outer wall of the cylindrical part of the connecting rod 12 is sleeved with a spring 13, and the spring 13 is limited by the disc part of the connecting rod 12 and the second through hole 11. Through the design of the spring 13, the flange body 9 can be displaced in the horizontal direction after being connected to the device. When the connection is released, it can return to its original position, which is convenient for the next connection. Several connecting holes 14 are opened on one side of the flange body 9, and several placement grooves 15 are opened on one side of the flange body 9. The placement grooves 15 are connected to the connecting holes 14. A sealing gasket 16 is fixedly installed inside the placement groove 15. Through the design of the sealing gasket 16, the stability of the connection can be ensured and the probability of cavity generation can be reduced through its large friction and deformation ability.
[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A reducing flange, comprising a first connecting sleeve (1), characterized in that: A second connecting sleeve (2) is provided on one side of the first connecting sleeve (1), two connecting plates (3) are fixedly installed on one side of the first connecting sleeve (1), a connecting block (4) is fixedly installed on one side of the second connecting sleeve (2), a first through hole (5) is opened on one side of the connecting plate (3), and rotating rods (6) are fixedly installed on both sides of the connecting block (4), and the first connecting sleeve (1) and the second connecting sleeve (2) are detachably connected together through the first through hole (5) and the rotating rod (6).
2. A reducing flange according to claim 1, characterized in that: A first connecting pipe (7) is provided inside the first connecting sleeve (1) and the second connecting sleeve (2), the outer wall surface of the first connecting pipe (7) is provided with a thread, and the first connecting pipe (7) and the first connecting sleeve (1) are threadedly connected together.
3. The reducing flange according to claim 1, characterized in that: A second connecting pipe (8) is provided on one side of the first connecting pipe (7), the second connecting pipe (8) is communicated with the interior of the first connecting pipe (7), and a flange body (9) is provided inside the second connecting pipe (8).
4. A reducing flange according to claim 3, characterized in that: A fixing plate (10) is fixedly installed inside the second connecting tube (8), a second through hole (11) is opened on one side of the fixing plate (10), a connecting rod (12) is fixedly installed on one side of the flange body (9), and the flange body (9) is clamped inside the second connecting tube (8) through the second through hole (11) and the connecting rod (12).
5. The reducing flange according to claim 4, characterized in that: The connecting rod (12) is composed of a cylindrical portion and a disc portion. A spring (13) is sleeved on the outer wall of the cylindrical portion of the connecting rod (12). The spring (13) is limited by the disc portion of the connecting rod (12) and the second through hole (11).
6. The reducing flange according to claim 3, characterized in that: A plurality of connection holes (14) are provided on one side of the flange body (9), and a plurality of placement grooves (15) are provided on one side of the flange body (9). The placement grooves (15) are communicated with the connection holes (14), and a sealing gasket (16) is fixedly installed inside the placement grooves (15).
Citation Information
Patent Citations
Reducing flange
CN218582530U