Flange with preliminary limiting function

Abstract

The utility model relates to the technical field of flanges, in particular to a flange with a preliminary limiting function, and solves the problem that in the prior art, in the installation and use process of an existing pipeline flange, due to the fact that an effective preliminary limiting structure is lacked, when a pipeline with a certain length and weight is faced, the connecting position of the flange is often weak. And due to the defects of the design, the risk of deformation exists when the pipeline is connected with the flange is solved. A flange with a preliminary limiting function comprises a flange plate, a limiting cylinder and a pipeline. One end of the pipeline is fixedly connected with the center of one side of the flange plate, the limiting cylinder is arranged on the outer ring of the pipeline, and one end of the limiting cylinder is connected with a connecting cylinder through a divergent cylinder. The utility model not only effectively solves the problem that the existing flange design lacks an effective preliminary limiting structure, but also realizes the accurate limiting of the joint of the pipeline and the flange plate by additionally arranging the limiting cylinder and the connecting cylinder and arranging the positioning plate, the adjusting screw rod and other structures in the limiting cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field especially, relate to a flange with primary location function. BACKGROUND

[0002] As the core component in pipeline connection, flange occupies an important position in various industrial and civil pipeline systems. Its connection performance and stability are directly related to the safety and service life of the entire pipeline system. In particular, in the key link of pipeline and flange connection, the existing pipeline flange design gradually exposes a series of obvious limitations and technical problems. Specifically, the existing pipeline flange lacks effective primary limiting structure during installation and use, and when facing pipelines with certain length and weight, the flange connection is often relatively weak. This design deficiency makes the pipeline have the risk of deformation when connected with the flange, not only affecting the overall stability of the pipeline system, but also possibly causing safety hazards, increasing maintenance costs and risks.

[0003] Therefore, in view of this obvious deficiency in existing flange design, we urgently need a flange with primary limiting function to solve this problem. This new type of flange should be able to significantly improve the stability and safety of the pipeline and flange connection while ensuring the connection performance, so as to better meet the use requirements of modern pipeline systems and provide strong support for the continuous development of industrial and civil pipeline fields. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a flange with primary limiting function, solving the problem that the existing pipeline flange in the prior art lacks effective primary limiting structure during installation and use, and when facing pipelines with certain length and weight, the flange connection is often relatively weak. This design deficiency makes the pipeline have the risk of deformation when connected with the flange.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A flange with primary limiting function, comprising a flange plate, a limiting cylinder and a pipeline;

[0007] One end of the pipeline is fixedly connected with the center of one side of the flange plate, the limiting cylinder is arranged on the outer ring of the pipeline, one end of the limiting cylinder is connected with a connecting cylinder through a gradually expanding cylinder, and one end of the connecting cylinder is detachably connected with one side of the flange plate;

[0008] The diameter of the connecting cylinder is greater than that of the pipeline and smaller than that of the limiting cylinder, one end of the gradually expanding cylinder has the same diameter as the connecting cylinder, the other end has the same diameter as the limiting cylinder, the inside of the limiting cylinder is provided with a plurality of positioning plates, and one side of each of the positioning plates is rotationally connected with an adjusting screw rod having one end penetrating through the limiting cylinder through a threaded sleeve.

[0009] Preferably, one side of the positioning plate is connected with a rubber plate, and the thickness of the rubber plate is 1-3mm.

[0010] Preferably, the two sides of the adjusting screw rod are provided with guide rods, one end of the guide rod is connected with the side wall of the positioning plate, and the other end penetrates through the limiting cylinder through a sliding sleeve.

[0011] Preferably, one side of the flange plate is provided with a circular groove, and a plurality of limiting grooves in communication with the circular groove are provided on one side of the flange plate along the circumferential direction of the flange plate.

[0012] Preferably, one end of the connecting cylinder is fixedly connected with a mounting ring plate matched with the circular groove, and the outer ring of the mounting ring plate is connected with a plurality of limiting plates matched with the limiting grooves.

[0013] Preferably, a plurality of positioning screw rods are fixedly connected in the circular groove, a plurality of through holes matched with the positioning screw rods are provided on one side of the mounting ring plate, and a positioning nut is threadedly connected to one end of the positioning screw rod.

[0014] The novel flange has at least the following beneficial effects:

[0015] The stability and safety of the pipeline connection are significantly improved. It not only effectively solves the problem of lacking effective preliminary limiting structure in the existing flange design, but also realizes accurate limiting of the connection between the pipeline and the flange plate by adding the limiting cylinder, the connecting cylinder and the positioning plate and the adjusting screw rod in the limiting cylinder. At the same time, the ingenious design of the rubber plate, the guide rod, the circular groove, the limiting groove, the mounting ring plate, the limiting plate and the positioning screw rod further enhances the overall structural strength and connection reliability of the flange, reduces the safety hazards, reduces the maintenance cost and risk. The design of the novel flange better meets the use requirements of modern pipeline systems, provides strong support for the continuous development of industrial and civil pipeline fields, and has wide application prospect and promotion value. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 It is a structure schematic view of the utility model;

[0018] Figure 2 It is a structure schematic view of the utility model round groove;

[0019] Figure 3 It is a structure schematic view of the utility model limiting cylinder;

[0020] Figure 4 It is a structure schematic view of the utility model positioning plate;

[0021] Figure 5 It is a structure schematic view of the utility model rubber plate.

[0022] In the figure: 1, flange plate; 2, limiting cylinder; 3, pipeline; 4, positioning screw; 5, round groove; 6, limiting groove; 7, positioning nut; 8, gradually expanding cylinder; 9, connecting cylinder; 10, through hole; 11, mounting ring plate; 12, limiting plate; 13, positioning plate; 14, adjusting screw; 15, guide rod; 16, rubber plate. DETAILED DESCRIPTION

[0023] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is combined with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0024] Referring to Figures 1-5 A flange with preliminary limiting function, including flange plate 1, limiting cylinder 2 and pipeline 3;

[0025] One end of pipeline 3 is fixedly connected with the center of one side of flange plate 1, limiting cylinder 2 is arranged at the outer circle of pipeline 3, one end of limiting cylinder 2 is connected with connecting cylinder 9 through gradually expanding cylinder 8, and one end of connecting cylinder 9 is detachably connected with one side of flange plate 1;

[0026] The diameter of connecting cylinder 9 is greater than the diameter of pipeline 3 and less than the diameter of limiting cylinder 2, one end of gradually expanding cylinder 8 is same with the diameter of connecting cylinder 9, the other end is same with the diameter of limiting cylinder 2, the inside of limiting cylinder 2 is provided with a plurality of positioning plates 13, and one end of adjusting screw 14, which is through the screw sleeve and penetrates limiting cylinder 2, is rotatably connected with the center of one side of each positioning plate 13.

[0027] The scheme has the following working process:

[0028] The flange with the preliminary limiting function, its working process mainly includes the following steps: first, one end of the pipeline 3 is fixedly connected with the center of one side of the flange plate 1, and the stable combination between the pipeline and the flange plate is ensured. Then, the limiting cylinder 2 is arranged on the outer circle of the pipeline 3, one end of the limiting cylinder 2 is connected with the connecting cylinder 9 through the gradually expanding cylinder 8, wherein one end of the gradually expanding cylinder 8 has the same diameter as the connecting cylinder 9, and the other end has the same diameter as the limiting cylinder 2, forming a smooth transition. Finally, one end of the connecting cylinder 9 is detachably connected with one side of the flange plate 1, and the installation of the entire flange is completed. Inside the limiting cylinder 2, a plurality of positioning plates 13 are arranged, one side of each positioning plate 13 is rotatably connected with an adjusting screw rod 14 which penetrates the limiting cylinder 2 through a screw sleeve, and these adjusting screw rods 14 can be used to fine-tune the position of the positioning plate 13 to adapt to pipelines of different sizes and weights, realizing the preliminary limiting function.

[0029] According to the above working process, it can be known that:

[0030] The flange with the preliminary limiting function effectively improves the obvious deficiency of lacking effective preliminary limiting structure in the design of existing flanges. Its beneficial effects mainly lie in the following aspects: first, by adding the limiting cylinder 2 and the connecting cylinder 9, and arranging the positioning plate 13 and the adjusting screw rod 14 inside the limiting cylinder 2, the preliminary limiting of the connection between the pipeline 3 and the flange plate 1 is realized, which significantly improves the stability and safety of the connection. This design effectively avoids the risk of weak connection and deformation of the flange connection due to the length and weight of the pipeline during installation and use. Second, while ensuring the connection performance, the design of the flange improves the overall stability of the pipeline system, reduces safety hazards, and reduces maintenance costs and risks. Finally, the design of this new type of flange better meets the use requirements of modern pipeline systems, provides strong support for the continuous development of industrial and civil pipeline fields, and has wide application prospect and promotion value.

[0031] Further, one side of the positioning plate 13 is connected with a rubber plate 16, and the thickness of the rubber plate 16 is 1-3mm. Through the arrangement of the positioning plate 13 and the rubber plate 16, the rubber plate 16 can increase the friction between the positioning plate 13 and the pipeline 3 in the working process, and also has a buffering effect, achieving the effect of improving the limiting effect and protecting the outer wall of the pipeline 3 from being damaged.

[0032] Further, the two sides of the adjusting screw rod 14 are provided with guide rods 15, one end of the guide rod 15 is connected with the side wall of the positioning plate 13, and the other end penetrates the limiting cylinder 2 through a sliding sleeve. Through the arrangement of the adjusting screw rod 14 and the guide rod 15, the guide rod 15 can ensure the stability of the adjusting screw rod 14 when adjusting the position of the positioning plate 13 in the working process, preventing it from deviating, achieving the purpose of improving the adjustment accuracy and limiting effect.

[0033] Further, the flange plate 1 is provided with a circular groove 5 on one side, and a plurality of limiting grooves 6 are provided on one side of the flange plate 1 along the circumferential direction of the flange plate 1 and communicated with the circular groove 5. Through the setting of the circular groove 5 and the limiting groove 6 on the flange plate 1, these structures provide positioning and limiting effect for the installation of the connecting cylinder 9 in the working process, ensure the stable connection between the connecting cylinder 9 and the flange plate 1, and achieve the effect of improving the overall structural stability and safety.

[0034] Further, the connecting cylinder 9 is fixedly connected with a mounting ring plate 11 matched with the circular groove 5 at one end edge, and a plurality of limiting plates 12 matched with the limiting grooves 6 are connected to the outer circle of the mounting ring plate 11. Through the setting of the mounting ring plate 11 and the limiting plate 12, they cooperate with the circular groove 5 and the limiting groove 6 on the flange plate 1 in the working process, realize the detachable connection between the connecting cylinder 9 and the flange plate 1, and provide additional limiting effect, achieve the effect of convenient installation and disassembly while ensuring the stability of the connection.

[0035] Further, a plurality of positioning screws 4 are fixedly connected inside the circular groove 5, a plurality of through holes 10 matched with the positioning screws 4 are provided on one side of the mounting ring plate 11, and a positioning nut 7 is threadedly connected to one end of the positioning screw 4. Through the setting of the positioning screw 4 and the positioning nut 7, they cooperate with the through hole 10 on the mounting ring plate 11 in the working process, can firmly fix the connecting cylinder 9 on the flange plate 1, prevent it from loosening or falling off during use, and achieve the effect of improving the connection reliability and safety.

[0036] To sum up: first, one end of the pipeline 3 and the flange plate 1 is fixed connection in the center of one side, to ensure the stable combination between the pipeline and the flange plate. Then, the outer circle of the pipeline 3 is provided with limiting cylinder 2, one end of the limiting cylinder 2 is connected with connecting cylinder 9 through the gradually expanding cylinder 8, forming a smooth transition. The gradually expanding cylinder 8 has the same diameter at one end as the connecting cylinder 9, and the same diameter at the other end as the limiting cylinder 2. Inside the limiting cylinder 2, a plurality of positioning plates 13 are arranged, one side of each positioning plate 13 is connected with rubber plate 16, the thickness of the rubber plate 16 is 1-3mm, which can increase the friction between the positioning plate 13 and the pipeline 3, and also play a buffering role. The other side of each positioning plate 13 is rotatably connected with adjusting screw 14 at the center, one end of the adjusting screw 14 penetrates through the limiting cylinder 2 through the screw sleeve, the two sides of the adjusting screw 14 are provided with guide rod 15, one end of the guide rod 15 is connected with the side wall of the positioning plate 13, the other end penetrates through the limiting cylinder 2 through the sliding sleeve, which is used to ensure the stability of the adjusting screw 14 when adjusting the position of the positioning plate 13. These adjusting screws 14 can be used to fine adjust the position of the positioning plate 13 to adapt to different sizes and weights of the pipeline, realizing the preliminary limiting function. Finally, the detachable connection between the connecting cylinder 9 and the flange plate 1 is carried out. Specifically, one end edge of the connecting cylinder 9 is fixedly connected with the mounting ring plate 11 matched with the circular groove 5 on the flange plate 1, the outer circle of the mounting ring plate 11 is connected with a plurality of limiting plates 12 matched with the limiting grooves 6, which cooperate with the circular groove 5 and the limiting grooves 6 on the flange plate 1, realizing the stable connection between the connecting cylinder 9 and the flange plate 1. At the same time, a plurality of positioning screws 4 are fixedly connected in the circular groove 5, a plurality of through holes 10 matched with the positioning screws 4 are formed on one side of the mounting ring plate 11, and one end of the positioning screw 4 is threadedly connected with the positioning nut 7, which can firmly fix the connecting cylinder 9 on the flange plate 1, preventing it from loosening or falling off during use.

[0037] The flange with the preliminary limiting function is improved in view of the obvious shortage of lacking effective preliminary limiting structure in the existing flange design. The beneficial effects mainly reflect in the following aspects: first, by adding the limiting cylinder 2 and the connecting cylinder 9, and setting the positioning plate 13 and the adjusting screw 14 inside the limiting cylinder 2, the preliminary limiting of the connecting place of the pipeline 3 and the flange plate 1 is realized, and the stability and safety of the connecting place are significantly improved. The setting of the rubber plate 16 further increases the limiting effect and protects the outer wall of the pipeline 3 from being damaged. Second, the setting of the guide rod 15 ensures the stability of the adjusting screw 14 when adjusting the position of the positioning plate 13, and improves the adjusting accuracy and limiting effect. Third, the circular groove 5 and the limiting groove 6 on the flange plate 1 provide positioning and limiting effect for the installation of the connecting cylinder 9, ensure the stable connection between the connecting cylinder 9 and the flange plate 1, and improve the stability and safety of the overall structure. The setting of the mounting ring plate 11 and the limiting plate 12 realizes the detachable connection between the connecting cylinder 9 and the flange plate 1, and provides additional limiting effect, which facilitates installation and disassembly while ensuring connection stability. Finally, the setting of the positioning screw 4 and the positioning nut 7 can firmly fix the connecting cylinder 9 on the flange plate 1, prevent it from loosening or falling off during use, and improve the connection reliability and safety. The design of the new type of flange better meets the use requirements of modern pipeline system, provides strong support for the continuous development of industrial and civil pipeline fields, and has wide application prospect and promotion value.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A flange with a preliminary limiting function, characterized in that, Including: Flange (1), limit cylinder (2) and pipeline (3); One end of the pipeline (3) is fixedly connected with the center of one side of the flange (1), the limit cylinder (2) is arranged on the outer ring of the pipeline (3), one end of the limit cylinder (2) is connected with the connecting cylinder (9) through the gradually expanding cylinder (8), one end of the connecting cylinder (9) is detachably connected with one side of the flange (1); The diameter of the connecting cylinder (9) is greater than the diameter of the pipeline (3) and less than the diameter of the limit cylinder (2), one end of the gradually expanding cylinder (8) is the same as the diameter of the connecting cylinder (9), the other end is the same as the diameter of the limit cylinder (2), the inside of the limit cylinder (2) is provided with a plurality of positioning plates (13), one side of each positioning plate (13) is rotatably connected with an adjusting screw (14) which is threaded through the limit cylinder (2) at one end.

2. The flange with preliminary limiting function according to claim 1, characterized in that, One side of the positioning plate (13) is connected with a rubber plate (16), the thickness of the rubber plate (16) is 1-3mm.

3. The flange with preliminary limiting function according to claim 2, characterized in that, Both sides of the adjusting screw (14) are provided with guide rods (15), one end of the guide rod (15) is connected with the side wall of the positioning plate (13), the other end is threaded through the limit cylinder (2) through the sliding sleeve.

4. The flange with preliminary limiting function according to claim 1, characterized in that, One side of the flange (1) is provided with a circular groove (5), a plurality of limit grooves (6) which are in communication with the circular groove (5) are arranged on one side of the flange (1) along the circumferential direction of the flange (1).

5. The flange with preliminary limiting function according to claim 4, characterized in that, One end edge of the connecting cylinder (9) is fixedly connected with a mounting ring plate (11) which is matched with the circular groove (5), the outer ring of the mounting ring plate (11) is connected with a plurality of limit plates (12) which are matched with the limit grooves (6).

6. The flange with preliminary limiting function according to claim 5, characterized in that, A plurality of positioning screws (4) are fixedly connected in the circular groove (5), a plurality of through holes (10) which are matched with the positioning screws (4) are arranged on one side of the mounting ring plate (11), one end of the positioning screw (4) is threadedly connected with a positioning nut (7).

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