Air intake and exhaust flange assembly with high sealing performance
By employing a dual sealing structure of rubber sleeve and sealing ring at the flange connection, combined with the design of rotating shaft and snap-fit plate, the problems of leakage and complicated installation at the flange connection are solved, achieving high sealing performance and simplified installation.
Patent Information
- Application Number
- CN202520013890.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing flange connections are prone to leakage, have unsatisfactory sealing effects, and are cumbersome to install.
The system employs a first rubber sleeve and a second rubber sleeve mating together, combined with a double sealing structure of a first sealing ring and a second sealing ring. Through the design of a rotating shaft and a snap-fit plate, the installation ring can be flipped and the limiting plate can be slid, thereby enhancing the sealing performance.
It improves the sealing performance of the flange connection, prevents leakage, simplifies the installation process, and enhances the stability and sealing effect of the connection.
Smart Images

Figure CN223677276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flange assembly technical field, specifically, relate to a kind of high sealing property air inlet and exhaust flange assembly. BACKGROUND
[0002] Pipeline flange is the most widely used detachable connecting joint in pipeline system, and it is also a pressure-bearing sealing element. In the pipeline system, the flange is directly connected with the pipe or connected with the inlet and outlet pipes of the pipeline equipment such as pump, valve and machine. Usually, the flange itself, the sealing gasket and the connecting bolt are combined into a sealing structure, which serves as a pipeline connecting piece and becomes a basic component of a large pipeline system, and has been widely used in modern pipeline engineering.
[0003] In related art, in order to solve the problem that the existing flange plate butt joint is prone to natural gas leakage due to the cooperation gap, the patent with publication number CN220379131U provides a natural gas conveying flange assembly. The natural gas conveying flange assembly can double-seal the butt joint surface of the first flange plate and the second flange plate through the first sealing ring and the second sealing ring. Since the butt joint surface of the first flange plate and the second flange plate is between the first sealing ring and the second sealing ring, the sealing performance of the butt joint surface of the first flange plate and the second flange plate can be further improved.
[0004] The existing flange sealing only uses bolts for fixation and connection, and the sealing effect is not very ideal. In addition, during the connection process, multiple sets of threads are installed, which not only causes inconvenience during installation, but also causes leakage due to gaps in the sealing. Therefore, how to invent a high-sealing air inlet and exhaust flange assembly to improve these problems has become a problem that needs to be solved by technical personnel in the field. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a high-sealing air inlet and exhaust flange assembly, which aims to improve the sealing effect, which is not very ideal, and to improve the problem of leakage caused by gaps in the sealing during the connection process.
[0006] The utility model is implemented as follows:
[0007] The utility model provides a kind of high sealing property inlet and outlet flange assembly, including first flange plate and first mounting ring, the bottom of first flange plate is butt-jointed and installed second flange plate, the top of the inboard of second flange plate is fixedly installed with first rubber sleeve, the inboard of the bottom of first flange plate is fixedly installed with the second rubber sleeve corresponding with first rubber sleeve, the top of second flange plate is fixedly installed with first sealing ring, the top of the second flange plate of the inboard of first sealing ring is fixedly installed with second sealing ring, the inboard of first flange plate and second flange plate is movably installed with first mounting ring and second mounting ring, the inboard of second mounting ring and first mounting ring is fixedly installed with clamping plate, the inboard of the clamping plate is slidably installed with mounting sleeve, the side of mounting sleeve is fixedly installed with mounting bracket, the inside of mounting bracket is slidably installed with butt joint rod.
[0008] Preferably, the bottom of the first flange plate is fixedly installed with a butt joint column, and the top of the second flange plate is provided with a butt joint groove corresponding to the butt joint column.
[0009] By adopting the above technical scheme, the butt joint column and the butt joint groove are connected by the butt joint of the first rubber sleeve and the second rubber sleeve, and the first rubber sleeve and the second rubber sleeve can be easily sealed during connection.
[0010] Preferably, the first mounting ring and the second mounting ring are rotatably installed through a rotating shaft, and the inboard of the mounting sleeve is fixedly installed with a sliding plate matched with the clamping plate.
[0011] By adopting the above technical scheme, the first mounting ring and the second mounting ring are flipped around the rotating shaft between the first mounting ring and the second mounting ring, so that the first mounting ring and the second mounting ring can be installed at the connection between the first flange plate and the second flange plate, and the two clamping plates can be easily attached.
[0012] Preferably, one end of the butt joint rod extends into the inside of the mounting sleeve, and the clamping plate is provided with a butt joint hole corresponding to the butt joint rod.
[0013] By adopting the above technical scheme, one end of the butt joint rod can be connected to the butt joint hole under the rebounding action of the spring by releasing the pulling sleeve, which can make the process of limiting the first mounting ring and the second mounting ring more convenient.
[0014] Preferably, a limiting plate is fixedly installed on the outside of the butt joint rod, a spring is sleeved on the outside of the butt joint rod, and the spring is compressedly installed between the limiting plate and the mounting bracket.
[0015] By adopting the technical scheme, the abutment hole can slide along the outside of the clamping plate by abutting the clamping plate and the mounting sleeve, the abutment rod can slide along the inside of the mounting frame by pulling the pulling sleeve, and the limiting plate is driven to move in the inside of the mounting frame.
[0016] Preferably, one end of the abutment rod is fixedly provided with the pulling sleeve, and the outside of the pulling sleeve is provided with anti-skid lines.
[0017] By adopting the technical scheme, the abutment rod can slide along the inside of the mounting frame by pulling the pulling sleeve, and the limiting plate is driven to move in the inside of the mounting frame.
[0018] The utility model discloses the beneficial effect is:
[0019] By installing between the first flange plate and the second flange plate, abutting between the first rubber sleeve and the second rubber sleeve, the abutment column and the abutment groove are abutted, the first rubber sleeve and the second rubber sleeve can be sealed conveniently in the process of connection, and the first sealing ring and the second sealing ring are used to seal the outside for the second time and the third time, so that leakage can be prevented during use, the first mounting ring and the second mounting ring are installed at the connection between the first flange plate and the second flange plate by rotating around the rotating shaft, the first mounting ring and the second mounting ring can be conveniently attached between the two clamping plates, the abutment hole can slide along the outside of the clamping plate by abutting between the clamping plate and the mounting sleeve, the abutment rod can slide along the inside of the mounting frame by pulling the pulling sleeve, and the limiting plate is driven to move in the inside of the mounting frame, the spring can be extruded by the limiting plate, one end of the abutment rod is conveniently pulled, one end of the abutment rod and the abutment hole are abutted under the rebounding action of the spring by releasing the pulling sleeve, and the process of limiting between the first mounting ring and the second mounting ring is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the range, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.
[0021] Figure 1 It is the first appearance three-dimensional structure schematic diagram of high sealing property air inlet and outlet flange assembly provided by the utility model embodiment;
[0022] Figure 2is a first mounting ring and a second mounting ring connecting structure schematic view of a high sealing property air inlet and exhaust flange assembly provided by the utility model embodiment;
[0023] Figure 3 is a butt joint rod structure schematic view of a high sealing property air inlet and exhaust flange assembly provided by the utility model embodiment;
[0024] Figure 4 is a first flange plate and a second flange plate mounting structure schematic view of a high sealing property air inlet and exhaust flange assembly provided by the utility model embodiment.
[0025] In the drawing: 1, first flange plate; 101, second flange plate; 102, butt joint column; 103, butt joint groove; 104, first rubber sleeve; 105, second rubber sleeve; 106, first sealing ring; 107, second sealing ring; 2, first mounting ring; 201, second mounting ring; 202, rotating shaft; 203, mounting sleeve; 204, clamping plate; 205, butt joint hole; 206, sliding plate; 207, mounting frame; 208, butt joint rod; 209, limiting plate; 210, spring; 211, pulling sleeve. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the utility model embodiments clearer, the technical scheme in the utility model embodiments will be described clearly and completely in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Embodiment, refer to Figures 1-4The utility model provides a kind of high sealing air inlet and exhaust flange assembly, including first flange plate 1 and first mounting ring 2, the bottom of first flange plate 1 is connected and installed with second flange plate 101, the top inside of second flange plate 101 is fixedly installed with first rubber sleeve 104, the inside of the bottom of first flange plate 1 is fixedly installed with second rubber sleeve 105 corresponding with first rubber sleeve 104, the top of second flange plate 101 is fixedly installed with first sealing ring 106, the top of second flange plate 101 inside first sealing ring 106 is fixedly installed with second sealing ring 107, the outside of first flange plate 1 and second flange plate 101 is movably installed with first mounting ring 2 and second mounting ring 201, the outside of second mounting ring 201 and first mounting ring 2 is fixedly installed with clamping plate 204, clamping plate 204 is slidably installed with mounting sleeve 203 outside, one side of mounting sleeve 203 is fixedly installed with mounting frame 207, the inside of mounting frame 207 is slidably installed with butt joint rod 208, the bottom of first flange plate 1 is fixedly installed with butt joint column 102, the top of second flange plate 101 is provided with butt joint groove 103 corresponding with butt joint column 102.
[0028] Further, first mounting ring 2 and second mounting ring 201 are rotatably mounted by rotating shaft 202, the inside of mounting sleeve 203 is fixedly installed with sliding plate 206 cooperating with clamping plate 204, one end of butt joint rod 208 extends to the inside of mounting sleeve 203, clamping plate 204 is provided with butt joint hole 205 corresponding with butt joint rod 208;
[0029] It should be noted that: by rotating shaft 202 between first mounting ring 2 and second mounting ring 201 around the turnover, first mounting ring 2 and second mounting ring 201 can be installed between the connection of first flange plate 1 and second flange plate 101, two clamping plates 204 can be conveniently attached, by butt joint between clamping plate 204 and mounting sleeve 203, butt joint hole 205 can slide along the outside of clamping plate 204.
[0030] Refer to Figures 3-4 Further, the outside of butt joint rod 208 is fixedly installed with limit plate 209, spring 210 is sleeved on the outside of butt joint rod 208, spring 210 is compressedly installed between limit plate 209 and mounting frame 207, one end of butt joint rod 208 is fixedly installed with pulling sleeve 211, anti-skid pattern is arranged on the outside of pulling sleeve 211;
[0031] It should be noted that by pulling the pulling sleeve 211, the butt joint rod 208 can slide along the inner side of the mounting frame 207, thereby driving the limiting plate 209 to move along the inner side of the mounting frame 207, and the limiting plate 209 can extrude the spring 210, so that one end of the butt joint rod 208 is conveniently pulled, and by releasing the pulling sleeve 211, one end of the butt joint rod 208 can be butt jointed with the butt joint hole 205 under the rebounding action of the spring 210.
[0032] The working principle of the high-sealing air inlet and outlet flange assembly is as follows: the first flange plate 1 is installed between the second flange plate 101, the first rubber sleeve 104 is butt jointed with the second rubber sleeve 105, the butt joint column 102 is butt jointed with the butt joint groove 103, the first rubber sleeve 104 and the second rubber sleeve 105 can be conveniently sealed during connection, the first sealing ring 106 and the second sealing ring 107 are used to externally perform secondary and tertiary sealing operations, leakage is prevented during use, the first mounting ring 2 and the second mounting ring 201 are installed at the connection between the first flange plate 1 and the second flange plate 101 by rotating around the rotating shaft 202, the two clamping plates 204 can be conveniently attached, the clamping plate 204 is butt jointed with the mounting sleeve 203, the butt joint hole 205 can slide along the outer side of the clamping plate 204, the butt joint rod 208 can slide along the inner side of the mounting frame 207 by pulling the pulling sleeve 211, thereby driving the limiting plate 209 to move along the inner side of the mounting frame 207, the limiting plate 209 can extrude the spring 210, so that one end of the butt joint rod 208 is conveniently pulled, and by releasing the pulling sleeve 211, one end of the butt joint rod 208 can be butt jointed with the butt joint hole 205 under the rebounding action of the spring 210, which is more convenient during limiting between the first mounting ring 2 and the second mounting ring 201.
[0033] It should be noted that the specific model and specifications of the motor need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.
[0034] The above is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be changed and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A high sealing air intake and exhaust flange assembly comprising a first flange plate (1) and a first mounting ring (2), characterized in that, The bottom of the first flange plate (1) is butted and mounted with a second flange plate (101), the top of the inner side of the second flange plate (101) is fixedly mounted with a first rubber sleeve (104), the bottom of the inner side of the first flange plate (1) is fixedly mounted with a second rubber sleeve (105) corresponding to the first rubber sleeve (104), the top of the second flange plate (101) is fixedly mounted with a first sealing ring (106), the top of the second flange plate (101) of the inner side of the first sealing ring (106) is fixedly mounted with a second sealing ring (107), the outer side of the first flange plate (1) and the second flange plate (101) is movably mounted with a first mounting ring (2) and a second mounting ring (201), the outer side of the second mounting ring (201) and the first mounting ring (2) is fixedly mounted with a clamping plate (204), the outer side of the clamping plate (204) is slidably mounted with a mounting sleeve (203), one side of the mounting sleeve (203) is fixedly mounted with a mounting frame (207), the inside of the mounting frame (207) is slidably mounted with a butt rod (208).
2. A high containment inlet and outlet flange assembly according to claim 1, wherein, The bottom of the first flange plate (1) is fixedly mounted with a butt column (102), and the top of the second flange plate (101) is provided with a butt groove (103) corresponding to the butt column (102).
3. A high containment inlet and outlet flange assembly according to claim 1, wherein, The first mounting ring (2) and the second mounting ring (201) are rotatably mounted through a rotating shaft (202), and the inner side of the mounting sleeve (203) is fixedly mounted with a sliding plate (206) matched with the clamping plate (204).
4. A high containment inlet and outlet flange assembly according to claim 1, wherein, One end of the butt rod (208) extends to the inside of the mounting sleeve (203), and the clamping plate (204) is provided with a butt hole (205) corresponding to the butt rod (208).
5. A high containment inlet and outlet flange assembly according to claim 1, wherein, The outer side of the butt rod (208) is fixedly mounted with a limiting plate (209), and the outer side of the butt rod (208) is sleeved with a spring (210), and the spring (210) is compressively mounted between the limiting plate (209) and the mounting frame (207).
6. A high containment inlet and outlet flange assembly according to claim 1, wherein, One end of the butt rod (208) is fixedly mounted with a pulling sleeve (211), and the outer side of the pulling sleeve (211) is provided with anti-skid lines.
Citation Information
Patent Citations
Natural gas conveying flange assembly
CN220379131U