Flange with sealing and positioning functions
By designing an inflatable sealing strip and positioning mechanism on the flange, the problems of low sealing performance and low installation efficiency of existing flanges are solved, achieving efficient sealing and stable connection.
Patent Information
- Application Number
- CN202520366743.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-04
AI Technical Summary
The existing flanges lack a double-sided positioning and sealing clamping structure, resulting in poor sealing performance, inconvenient installation, and inability to assemble quickly.
A flange with sealing positioning was designed, which adopts an inflatable sealing strip and a positioning mechanism. The inflatable sealing strip expands to form a sealing barrier, and the positioning block and spring are used to ensure accurate positioning of the flange.
It achieves efficient sealing, reduces media leakage, improves installation efficiency and reliability, and enhances stability and safety under vibration conditions.
Smart Images

Figure CN223740267U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flange technical field, concretely is a kind of flange with sealing positioning. BACKGROUND
[0002] Flange is the part of mutual connection between pipe and pipe, for the connection between pipe end, the existing flange, without double-sided positioning sealing clamping structure, it is not convenient to seal positioning quick installation and cannot guarantee the efficient sealing use of pipeline connection, simultaneously, the screw thread structure not convenient for the quick assembly use of flange and pipeline, therefore, a kind of flange with sealing positioning is proposed to solve the above problems. SUMMARY
[0003] The utility model relates to flange technical field, concretely is a kind of flange with sealing positioning.
[0004] To solve the above technical problem, the technical scheme adopted by the utility model is: a kind of flange with sealing positioning, including first flange and second flange, the first flange and second flange are symmetrically provided with screw mounting hole, sealing mechanism and positioning mechanism are respectively provided between the first flange and second flange;
[0005] The sealing mechanism includes: installation slot, sealing groove, the installation slot is opened in the left side of first flange, the sealing groove is opened in the right side of second flange, and is oppositely arranged with installation slot, inflatable sealing band is connected in the installation slot, and the left side of inflatable sealing band is filled in sealing groove;
[0006] The positioning mechanism includes: positioning slot, positioning block, the positioning slot is opened in the right side of second flange, the positioning block is fixedly connected to the left side of first flange, and the left side of positioning block is inserted into positioning slot, the front surface of positioning block is obliquely arranged, the front surface of positioning block is inserted into limiting block, spring is fixedly connected between the front surface of limiting block and the inner wall of positioning slot, the front surface of limiting block is fixedly connected with connecting rod, the front end of connecting rod penetrates second flange and extends forward, and the front end of connecting rod is fixedly connected with lug.
[0007] Preferably, the first flange is provided with an inflation nozzle mounting hole, and the inflatable sealing band is connected with an inflation nozzle and located in the inflation nozzle mounting hole.
[0008] Preferably, the front surface of the positioning block is provided with a slot, and the limiting block is inserted into the slot.
[0009] Preferably, the number of positioning mechanisms is two groups, and the two groups of positioning mechanisms are oppositely arranged on the first flange and the second flange.
[0010] Preferably, the inner walls of the first flange plate and the second flange plate are fixedly connected with rubber damping pads respectively.
[0011] Preferably, the sides of the first flange plate and the second flange plate away from each other are respectively bonded with ceramic fiber heat insulation shells.
[0012] The above technical solution can bring the following beneficial effects:
[0013] 1. The flange with sealing positioning can inflate the inflatable sealing belt through the inflation nozzle, the inflatable sealing belt after inflation will expand, the outer wall of the inflatable sealing belt is tightly fitted with the inner walls of the installation groove and the sealing groove, forming an efficient sealing barrier, effectively preventing medium leakage, ensuring the sealing of the pipeline connection, meeting the strict requirements of sealing under different working conditions, when installing the flange, the positioning block is inserted into the positioning groove, the relative position of the two flange plates can be quickly determined, the alignment time in the installation process is reduced, and the installation efficiency is improved, when the positioning block is in place, the spring pushes the limiting block to insert into the slot in the front of the positioning block, preventing the positioning block from accidentally falling out, further fixing the relative position of the two flange plates, and ensuring the reliability of positioning.
[0014] 2. The flange with sealing positioning can absorb and consume vibration energy through the rubber damping pad, reduce the loosening of the bolts and the sealing failure caused by vibration, improve the reliability of the flange plate under vibration working condition, the ceramic fiber heat insulation shell can effectively block the heat transfer of the medium in the pipeline to the outside, reduce heat loss, improve energy utilization efficiency, and also avoid the operator from being scalded by touching the flange plate, and enhance the safety of operation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front structure schematic view of the utility model;
[0016] Figure 2 It is a front view sectional view of the utility model;
[0017] Figure 3 It is a top view sectional view of the utility model;
[0018] Figure 4 It is Figure 3 the enlarged view of A.
[0019] In the drawing: 1, first flange plate; 2, second flange plate; 3, screw mounting hole; 4, sealing mechanism; 41, installation groove; 42, sealing groove; 43, inflatable sealing belt; 5, positioning mechanism; 51, positioning groove; 52, positioning block; 53, spring; 54, limiting block; 55, connecting rod; 56, protruding block; 6, rubber damping pad; 7, ceramic fiber heat insulation shell. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0021] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood broadly, for example, can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0023] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified and limited.
[0024] Please refer to Figures 1-4The utility model discloses an embodiment is: a kind of flange with sealing positioning, including first flange plate 1 and second flange plate 2, symmetrically set screw mounting hole 3 on first flange plate 1 and second flange plate 2, sealing mechanism 4 and positioning mechanism 5 are respectively arranged between first flange plate 1 and second flange plate 2;Sealing mechanism 4 includes: installation groove 41, sealing groove 42, installation groove 41 is set in the left side of first flange plate 1, sealing groove 42 is set in the right side of second flange plate 2, and sealing groove 42 is set in the right side of second flange plate 2 with installation groove 41 opposite, inflatable sealing band 43 is connected in installation groove 41, inflatable sealing band 43 is filled in sealing groove 42 in left side, inflatable mouth mounting hole is set on first flange plate 1, inflatable sealing band 43 is connected with inflatable mouth, and located in inflatable mouth mounting hole, inflatable sealing band 43 is inflated by inflatable mouth, inflatable sealing band 43 after inflation will swell, its outer wall is tightly attached to the inner wall of installation groove 41 and sealing groove 42, forms a high-efficiency sealing barrier, effectively prevents medium leakage, ensure the sealing of pipeline connection, meet the strict requirement of sealing under different working conditions;Positioning mechanism 5 includes: positioning groove 51, positioning block 52, positioning groove 51 is set in the right side of second flange plate 2, positioning block 52 is fixedly connected in the left side of first flange plate 1, and the left side of positioning block 52 is inserted into positioning groove 51, the front of positioning block 52 is set as inclined plane, the front of positioning block 52 is inserted with limiting block 54, the front of positioning block 52 is set with slot, limiting block 54 is inserted into slot, spring 53 is fixedly connected between the front of limiting block 54 and the inner wall of positioning groove 51, the front of limiting block 54 is fixedly connected with connecting rod 55, the front end of connecting rod 55 penetrates second flange plate 2 and extends forward, the front end of connecting rod 55 is fixedly connected with lug 56, the number of positioning mechanism 5 is two groups, two groups of positioning mechanism 5 are oppositely arranged on first flange plate 1 and second flange plate 2, when installing flange, positioning block 52 is inserted into positioning groove 51, the relative position of two flange plates can be quickly determined, reduce the alignment time in installation process, improve installation efficiency, when positioning block 52 is in position, spring 53 pushes limiting block 54 and inserts into the slot in the front of positioning block 52, prevent positioning block 52 from accidentally coming out, further fix the relative position of two flange plates, ensure the reliability of positioning.
[0025] Working principle: through the inflation of the inflatable sealing band 43 of the inflation nozzle, the inflatable sealing band 43 after inflation will expand, and its outer wall will tightly fit the inner wall of the installation groove 41 and the sealing groove 42, forming an efficient sealing barrier, effectively preventing medium leakage and ensuring the sealing of the pipeline connection. When installing the flange, the positioning block 52 is inserted into the positioning groove 51 to quickly determine the relative position of the two flanges, reducing the alignment time during installation. When the positioning block 52 is in place, the spring 53 pushes the limiting block 54 to insert into the insertion slot on the front of the positioning block 52, preventing the positioning block 52 from accidentally falling out. When disassembling the flange, pull the protrusion 56 to drive the connecting rod 55 and the limiting block 54 to move, so that the limiting block 54 is separated from the insertion slot of the positioning block 52, facilitating the separation of the two flanges.
[0026] Please refer to Figures 1-4 On the basis of the above embodiment, in another embodiment of the present application, the inner walls of the first flange plate 1 and the second flange plate 2 are respectively fixedly connected with rubber damping pads 6. The rubber damping pads 6 absorb and consume vibration energy, reducing bolt loosening and sealing failure caused by vibration, improving the reliability of the flange plate under vibration conditions. The side of the first flange plate 1 and the second flange plate 2 away from each other is respectively bonded with a ceramic fiber heat insulation shell 7. The ceramic fiber heat insulation shell 7 can effectively block the heat transfer of the medium in the pipeline to the outside, reduce heat loss, improve energy utilization efficiency, and also avoid scalding of the operator due to contact with the flange plate, enhancing the safety of operation.
[0027] Working principle: through the rubber damping pad 6, the vibration energy is absorbed and consumed, reducing the bolt loosening and sealing failure caused by vibration, improving the reliability of the flange plate under vibration conditions. Through the setting of the ceramic fiber heat insulation shell 7, the heat transfer of the medium in the pipeline to the outside can be effectively blocked, heat loss is reduced, and the operator can also be prevented from being scalded due to contact with the flange plate.
[0028] The utility model provides a kind of flange with sealing positioning, and the method and approach of specifically realizing this technical scheme are many, above-mentioned is only preferred implementation mode of the utility model, it should be pointed out, for the ordinary skilled person in the prior art, without departing from the principle of the utility model, still can make some improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The components not specified in the embodiment can be realized by existing technology.
Claims
1. A flange with sealing positioning, comprising a first flange plate (1) and a second flange plate (2), screw mounting holes (3) are symmetrically arranged on the first flange plate (1) and the second flange plate (2), characterized in that: The first flange plate (1) and the second flange plate (2) are respectively provided with sealing mechanism (4) and positioning mechanism (5); the sealing mechanism (4) includes: installation groove (41), sealing groove (42), the installation groove (41) is opened in the left side of the first flange plate (1), the sealing groove (42) is opened in the right side of the second flange plate (2), and it is opposite to installation groove (41) Setting, the installation groove (41) is connected with inflatable sealing band (43), the left side of inflatable sealing band (43) is filled in sealing groove (42); the positioning mechanism (5) includes: positioning groove (51), positioning block (52), the positioning groove (51) is opened in the right side of the second flange plate (2), the positioning block (52) is fixedly connected to the left side of the first flange plate (1), and the left side of the positioning block (52) is inserted into the positioning groove (51), the front surface of the positioning block (52) is arranged in the form of inclined plane, the front surface of the positioning block (52) is inserted into the limiting block (54), the spring (53) is fixedly connected between the front surface of the limiting block (54) and the inner wall of the positioning groove (51), the front surface of the limiting block (54) is fixedly connected with connecting rod (55), the front end of connecting rod (55) penetrates the second flange plate (2) and extends forward, the front end of connecting rod (55) is fixedly connected with convex block (56).
2. A flange with a sealed location according to claim 1, characterized in that: The first flange plate (1) is provided with an inflation nozzle mounting hole, and the inflatable sealing band (43) is connected with an inflation nozzle and located in the inflation nozzle mounting hole.
3. A flange with a sealed location according to claim 1, characterized in that: The front surface of the positioning block (52) is provided with a slot, and the limiting block (54) is inserted into the slot.
4. A flange with a sealed location according to claim 1, characterized in that: The number of positioning mechanism (5) is two groups, and the two groups of positioning mechanism (5) are oppositely arranged on the first flange plate (1) and the second flange plate (2).
5. A flange with a sealed location according to claim 1, characterized in that: The inner wall of the first flange plate (1) and the second flange plate (2) is respectively fixedly connected with rubber damping pad (6).
6. A flange with a sealed location according to claim 1, characterized in that: The side of the first flange plate (1) and the second flange plate (2) away from each other is respectively bonded with ceramic fiber heat insulation shell (7). The side of the first flange plate (1) and the second flange plate (2) away from each other is respectively bonded with ceramic fiber heat insulation shell (7).