Butterfly valve pipeline connection sealing structure

Abstract

The utility model discloses a butterfly valve pipeline connection sealing structure which comprises a butterfly valve body. The butterfly valve is characterized in that the butterfly valve body is used for supporting a structural element, and an efficient connection sealing assembly is arranged on the butterfly valve body; the utility model relates to the technical field of butterfly valve pipeline connection, and has the following beneficial effects that the pipeline connection part can be wrapped and sealed by using the upper and lower sealing outer covers after the pipeline is connected through the efficient connection sealing assembly, and the matching part of the two sealing outer covers is sealed through the fixed buckle cover and the adjusting buckle cover, so that the sealing effect is improved by utilizing the mode; and the sealing outer cover can ensure that the pipeline joint and the butterfly valve joint do not incline while sealing is completed, so that the connection stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valve pipeline connection, in particular to a sealing structure for butterfly valve pipeline connection. Background Art

[0002] A butterfly valve, also called a flap valve, is a simple structure regulating valve. A butterfly valve used for switching control of a low-pressure pipeline medium refers to a valve whose closing member (valve flap or butterfly plate) is a disc and rotates around the valve shaft to achieve opening and closing. When connecting a pipeline to a butterfly valve, in order to ensure the sealing performance at the connection, it is usually necessary to wind a sealing tape at the connection. However, after being used for a period of time, the sealing tape is prone to oxidation and corrosion. Moreover, the process of disassembling and winding it takes a lot of time and is very inconvenient. And if the operation is not careful, its sealing effect cannot be ensured. In addition, there is no supporting force at the pipeline connection. Once the pipeline is inclined, the sealing performance at the connection is likely to decrease. Content of the Utility Model

[0003] To achieve the above purposes, the utility model is realized through the following technical solutions: A sealing structure for butterfly valve pipeline connection, including a butterfly valve body; the butterfly valve body is used to support structural elements, and an efficient connection sealing assembly is provided on the butterfly valve body;

[0004] Among them, the efficient connection sealing assembly includes: a sealing outer cover, a return frame, a fixed buckle cover, a sealing groove, a sealing strip, an adjusting buckle cover, a slideway, a slide frame, a threaded hole, a threaded column, a rotating bearing, and a handle;

[0005] The sealing groove is opened at the connection end of the butterfly valve body and on the pipeline, as well as on both sides of the sealing outer cover. The sealing strip is installed on the sealing outer cover, the adjusting buckle cover, and the fixed buckle cover. The fixed buckle cover is installed on the return frame. The slideway is opened on the return frame. The slide frame is installed on both the upper and lower sides of the adjusting buckle cover and is clamped in the slideway. The threaded hole is opened on the return frame. The threaded column is installed in the threaded hole and is connected to the adjusting buckle cover through a rotating bearing. The handle is connected to the other end of the threaded column. The sealing strip can be pushed into the sealing groove along with the sealing outer cover, the fixed buckle cover, and the adjusting buckle cover. Through this assembly, all positions at the pipeline connection can be sealed.

[0006] Preferably, the shapes of the fixed buckle cover and the adjusting buckle cover can ensure that they can be tightly buckled on both sides after being buckled with the sealing outer cover.

[0007] Preferably, the front sides of the fixed buckle cover and the adjusting buckle cover are set to be arc-shaped.

[0008] Advantageous Effects

[0009] This sealing structure for butterfly valve pipeline connection has the following advantageous effects:

[0010] In this case, after the pipeline is connected, the efficient connection sealing assembly can wrap and seal the pipeline connection part with two upper and lower sealing outer covers, and the fixed buckle cover and the adjustment buckle cover are used to seal the joint of the two sealing outer covers. In this way, while the sealing outer cover completes the sealing, it can ensure that the connection between the pipeline connection part and the butterfly valve does not tilt, thus ensuring the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1-2 It is a three-dimensional external structure schematic diagram of a butterfly valve pipeline connection sealing structure described in the present invention.

[0012] Figure 3 It is a three-dimensional structure schematic diagram of the sealing outer cover of a butterfly valve pipeline connection sealing structure described in the present invention.

[0013] Figure 4 It is a three-dimensional structure schematic diagram of the fixed buckle cover of a butterfly valve pipeline connection sealing structure described in the present invention.

[0014] Figure 5 It is a front view structure schematic diagram of a butterfly valve pipeline connection sealing structure described in the present invention.

[0015] Figure 6 It is a partial enlarged schematic diagram of the efficient connection sealing assembly of a butterfly valve pipeline connection sealing structure described in the present invention.

[0016] In the figure: 1, butterfly valve body; 2, return frame; 3, sealing outer cover; 4, handle; 5, fixed buckle cover; 6, sealing groove; 7, sealing strip; 8, adjustment buckle cover; 9, slideway; 10, sliding frame; 11, threaded hole; 12, threaded column; 13, rotary bearing; DETAILED DESCRIPTION OF THE INVENTION

[0017] Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0018] Please refer to Figure 1-6 , the present invention provides a technical solution.

[0019] A butterfly valve pipeline connection sealing structure includes a butterfly valve body 1; the butterfly valve body 1 is used to support structural elements, and an efficient connection sealing assembly is provided on the butterfly valve body 1;

[0020] Among them, the efficient connection sealing assembly includes: a sealing outer cover 3, a return frame 2, a fixed buckle cover 5, a sealing groove 6, a sealing strip 7, an adjustment buckle cover 8, a slideway 9, a sliding frame 10, a threaded hole 11, a threaded column 12, a rotary bearing 13 and a handle 4;

[0021] The sealing groove 6 is opened at the connection end of the butterfly valve body 1 and the pipeline, as well as on both sides of the sealing outer cover 3. The sealing strip 7 is installed on the sealing outer cover 3, the adjusting buckle cover 8 and the fixing buckle cover 5. The fixing buckle cover 5 is installed on the return frame 2. The sliding groove 9 is opened on the return frame 2. The sliding carriage 10 is installed on both the upper and lower sides of the adjusting buckle cover 8 and is clamped in the sliding groove 9. The threaded hole 11 is opened on the return frame 2. The threaded column 12 is installed in the threaded hole 11 and is connected to the adjusting buckle cover 8 through a rotating bearing 13. The handle 4 is connected to the other end of the threaded column 12. The sealing strip 7 can be pushed into the sealing groove 6 along with the sealing outer cover 3, the fixing buckle cover 5 and the adjusting buckle cover 8.

[0022] It should be noted that after docking the pipeline with the butterfly valve body 1, the sealing outer cover 3 is buckled on the connection between the pipeline and the butterfly valve body 1, and the sealing strip 7 on the sealing outer cover 3 is buckled tightly into the sealing groove 6 on the pipeline and the butterfly valve body 1. Subsequently, the fixing buckle cover 5 on the return frame 2 is buckled on one side of the sealing outer cover 3. Then, the handle 4 is rotated to drive the threaded column 12 to rotate, so that it rotates and moves in the threaded hole 11, thereby driving the adjusting buckle cover 8 to move inward through the rotating bearing 13 and the sliding carriage 10 in the sliding groove, so that the adjusting buckle cover 8 can be buckled on the other side of the sealing outer cover 3. At the same time, the sealing strips 7 on the fixing buckle cover 5 and the adjusting buckle cover 8 can be buckled tightly into the sealing grooves 6 on both sides of the sealing outer cover 3, thus ensuring the sealing performance of the connection.

[0023] The shapes of the fixing buckle cover 5 and the adjusting buckle cover 8 can ensure that they can be tightly buckled on both sides after being buckled with the sealing outer cover 3.

[0024] It should be noted that the sealing outer covers 3 on the upper and lower sides need to be butt-jointed and fixed through the fixing buckle cover 5 and the adjusting buckle cover 8. Therefore, the shape and size after butt-jointing on both sides of the sealing outer cover 3 need to be consistent with those of the fixing buckle cover 5 and the adjusting buckle cover 8.

[0025] Preferably, furthermore, the fronts of the fixing buckle cover 5 and the adjusting buckle cover 8 are set to be arc-shaped.

[0026] It should be noted that the arc shape is used to cooperate with the surface of the pipeline when the fixing buckle cover 5 and the adjusting buckle cover 8 are buckled.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A butterfly valve pipeline connection sealing structure, comprising a butterfly valve body; characterized in that, The butterfly valve body is used to support structural elements, and is characterized in that an efficient connection and sealing assembly is provided on the butterfly valve body; Among them, the efficient connection and sealing assembly includes: a sealing outer cover, a return frame, a fixing buckle cover, a sealing groove, a sealing strip, an adjusting buckle cover, a slideway, a carriage, a threaded hole, a threaded column, a rotating bearing and a handle; The sealing groove is opened at the connection end of the butterfly valve body and the pipeline, and on both sides of the sealing outer cover. The sealing strip is installed on the sealing outer cover, the adjusting buckle cover and the fixing buckle cover. The fixing buckle cover is installed on the return frame. The slideway is opened on the return frame. The carriage is installed on the upper and lower sides of the adjusting buckle cover and is clamped in the slideway. The threaded hole is opened on the return frame. The threaded column is installed in the threaded hole and is connected to the adjusting buckle cover through a rotating bearing. The handle is connected to the other end of the threaded column. The sealing strip can be pushed into the sealing groove along with the sealing outer cover, the fixing buckle cover and the adjusting buckle cover.

2. The butterfly valve pipeline connection sealing structure according to claim 1, characterized in that The shapes of the fixing buckle cover and the adjusting buckle cover can ensure that they can be tightly buckled on both sides after being buckled with the sealing outer cover.

3. A butterfly valve pipeline connection sealing structure according to claim 1, characterized in that, The front of the fixing buckle cover and the adjusting buckle cover is set to be arc-shaped.

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