Leakage-point-free type plugging pipe fitting

Abstract

The utility model discloses a leakage-point-free type plugging pipe fitting, and relates to the technical field of plugging pipe fittings. The leakage-point-free type plugging pipe fitting comprises a pipe fitting main body, a connecting plate is fixedly connected to the top of the pipe fitting body, a clamping block is fixedly connected to the bottom of the connecting plate, a blind plate is arranged at the top of the connecting plate, a connecting block is fixedly connected to the side wall of the blind plate, a clamping ring is arranged at the bottom of the connecting block, and the clamping ring is clamped to the side wall of the clamping block. According to the leakage-point-free type plugging pipe fitting, the umbrella-shaped flange can be contracted by extruding the handle and placing the umbrella-shaped flange in the pipe fitting body, then the handle is released, the umbrella-shaped flange moves to be in an umbrella shape at the moment, then the clamping ring is rotated to be connected to the clamping block in a clamped mode, and the connecting plate and the blind plate are fixed; the problems that an existing plugging pipe fitting is generally fixedly installed through a lock pin and a lock ring hole, the phenomenon of water seepage, water leakage or air leakage often occurs after the pipe fitting is installed, and the site construction progress is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plugging pipe fittings, in particular to a leak-free plugging pipe fitting. Background Art

[0002] The ends of pipe parts of oil, petrochemical transportation pipelines, urban gas distribution pipeline networks, and water supply and heating pipelines are usually of an open structure. To prevent rainwater from pouring into the pipes, reduce the anti-corrosion performance of the parts, and ensure safe and reliable use, plugging pipe fittings are usually required to plug the ports.

[0003] Existing plugging pipe fittings generally use lock pins and lock ring holes for fixed installation. After the pipe fittings are installed, water seepage, water leakage, or air leakage often occurs, and reprocessing is required later, which is time-consuming and laborious and affects the on-site construction progress. Aiming at the deficiencies of the existing technology, we propose a leak-free plugging pipe fitting to solve the above problems. Summary of the Utility Model

[0004] The utility model aims to solve the above-mentioned deficiencies of the existing technology and proposes a leak-free plugging pipe fitting.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: A leak-free plugging pipe fitting includes a pipe fitting main body; a connecting plate is fixedly connected to the top of the pipe fitting main body, a clamping block is fixedly connected to the bottom of the connecting plate, a blind plate is arranged on the top of the connecting plate, a connecting block is fixedly connected to the side wall of the blind plate, a clamping ring is arranged at the bottom of the connecting block, and the clamping ring is clamped on the side wall of the clamping block.

[0006] Preferably, a round rod is rotatably connected to the inside of the connecting block, a torsion spring is fixedly connected to the side wall of the round rod, and the round rod is fixedly connected to the top of the clamping ring.

[0007] Preferably, a flange ring is fixedly connected to the bottom of the blind plate, and the flange ring is fixedly connected to the top of the connecting plate.

[0008] Preferably, a vertical rod penetrates through the top of the blind plate, a handle is fixedly connected to the top of the vertical rod, a contraction spring is fixedly connected to the bottom of the handle, and the end of the contraction spring is fixedly connected to the top of the blind plate.

[0009] Preferably, an umbrella-shaped flange is fixedly connected to the bottom of the vertical rod.

[0010] Preferably, a circular groove is formed in the inner wall of the pipe fitting main body, and the side wall of the umbrella-shaped flange is clamped inside the circular groove.

[0011] Preferably, the number of the clamping rings is four groups, the four groups of clamping rings are evenly distributed at the bottom of the connecting block, the number of the clamping blocks is four groups, and the positions of the four groups of clamping blocks correspond to those of the clamping rings.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: By squeezing the handle, the umbrella-shaped flange can be contracted and placed inside the pipe fitting body. Then, when the handle is released, the umbrella-shaped flange will expand into an umbrella shape and be clamped in the circular groove. By rotating the snap ring, the snap ring can be clamped on the clamping block through the characteristics of the torsion spring to fix the connecting plate and the blind plate. The flange ring between the connecting plate and the blind plate will be squeezed to form a sealed state, solving the problem that the existing pipe fitting plugs generally use locking pins and locking ring holes for fixed installation, and there are often problems such as water seepage, water leakage or air leakage after the pipe fitting is installed, which requires reprocessing later, is time-consuming and laborious, and affects the on-site construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is an exploded structure schematic diagram of the present utility model;

[0015] Figure 3 is a schematic diagram of the overall sectional structure of the present utility model;

[0016] Figure 4 is of the present utility model Figure 3 Schematic diagram of the structure of part A.

[0017] In the figure: 1, pipe fitting body; 101, connecting plate; 102, circular groove; 2, blind plate; 3, flange ring; 4, umbrella-shaped flange; 5, connecting block; 501, round rod; 502, snap ring; 503, torsion spring; 6, vertical rod; 601, handle; 602, compression spring; 7, clamping block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0019] The present utility model will be described in detail below with reference to the drawings and embodiments.

[0020] Embodiment 1

[0021] A leak-free pipe fitting plug, according to the attached Figures 1-4As shown in the figure, a leak-free plugging pipe fitting includes a pipe fitting main body 1; a connecting plate 101 is fixedly connected to the top of the pipe fitting main body 1, a clamping block 7 is fixedly connected to the bottom of the connecting plate 101, a blind plate 2 is arranged on the top of the connecting plate 101, a connecting block 5 is fixedly connected to the side wall of the blind plate 2, a clamping ring 502 is arranged at the bottom of the connecting block 5, and the clamping ring 502 is clamped on the side wall of the clamping block 7. By rotating the clamping ring 502, the clamping ring 502 can be clamped on the clamping block 7 to fix the connecting plate 101 and the blind plate 2.

[0022] A round rod 501 is rotatably connected inside the connecting block 5, a torsion spring 503 is fixedly connected to the side wall of the round rod 501, the round rod 501 is fixedly connected to the top of the clamping ring 502, and the clamping ring 502 can be clamped on the side wall of the clamping block 7 through the characteristics of the torsion spring 503, avoiding the slipping of the clamping ring 502.

[0023] A flange ring 3 is fixedly connected to the bottom of the blind plate 2, the flange ring 3 is fixedly connected to the top of the connecting plate 101, and the flange ring 3 is used to seal the connecting plate 101 and the blind plate 2 to avoid water seepage, water leakage or air leakage.

[0024] A vertical rod 6 penetrates through the top of the blind plate 2, a handle 601 is fixedly connected to the top of the vertical rod 6, a compression spring 602 is fixedly connected to the bottom of the handle 601, and the end of the compression spring 602 is fixedly connected to the top of the blind plate 2. By squeezing the handle 601, the umbrella-shaped flange 4 can be contracted and placed inside the pipe fitting main body 1, and then the handle 601 is released. At this time, the umbrella-shaped flange 4 will move into an umbrella shape and be clamped in the circular groove 102 for secondary sealing of the pipe fitting main body 1.

[0025] An umbrella-shaped flange 4 is fixedly connected to the bottom of the vertical rod 6, and the umbrella-shaped flange 4 is used to assist in sealing the pipe fitting main body 1 to prevent water seepage, water leakage or air leakage from occurring due to aging damage of the flange ring 3 after long-term use.

[0026] A circular groove 102 is formed in the inner wall of the pipe fitting main body 1, and the side wall of the umbrella-shaped flange 4 is clamped inside the circular groove 102.

[0027] The number of the clamping rings 502 is four groups, and the four groups of clamping rings 502 are evenly distributed at the bottom of the connecting block 5. The number of the clamping blocks 7 is four groups, and the positions of the four groups of clamping blocks 7 correspond to those of the clamping rings 502.

[0028] When the utility model is in use, by squeezing the handle 601, the umbrella-shaped flange 4 can be contracted and placed inside the pipe fitting main body 1, and then the handle 601 is released. At this time, the umbrella-shaped flange 4 will move into an umbrella shape and be clamped in the circular groove 102. Then, by rotating the clamping ring 502, the clamping ring 502 can be clamped on the clamping block 7 through the characteristics of the torsion spring 503 to fix the connecting plate 101 and the blind plate 2, and the flange ring 3 between the connecting plate 101 and the blind plate 2 will be squeezed to form a sealed state.

[0029] In summary, compared with the prior art, the following beneficial effects are achieved: By squeezing the handle 601, the umbrella-shaped flange 4 can be contracted and placed inside the pipe fitting body 1. Then, when the handle 601 is released, the umbrella-shaped flange 4 will move to form an umbrella shape and be clamped in the circular groove 102. Then, by rotating the snap ring 502, the snap ring 502 can be clamped on the block 7 through the characteristics of the torsion spring 503 to fix the connecting plate 101 and the blind plate 2. The flange ring 3 between the connecting plate 101 and the blind plate 2 will be squeezed to form a sealed state, solving the problem that the existing pipe fittings for plugging generally use lock pins and lock ring holes for fixed installation, and there are often problems of water seepage, water leakage or air leakage after the pipe fittings are installed, which requires reprocessing later, is time-consuming and laborious, and affects the on-site construction progress.

[0030] The above embodiments only represent several implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the patent and protection scope of the present invention should be subject to the appended claims.

Claims

1. A leak-free plugging pipe fitting, comprising a pipe fitting body (1), characterized in that: A connecting plate (101) is fixedly connected to the top of the pipe fitting body (1). A clamping block (7) is fixedly connected to the bottom of the connecting plate (101). A blind plate (2) is arranged on the top of the connecting plate (101). A connecting block (5) is fixedly connected to the side wall of the blind plate (2). A clamping ring (502) is arranged at the bottom of the connecting block (5). The clamping ring (502) is clamped on the side wall of the clamping block (7).

2. The leak-free plugging pipe fitting according to claim 1, characterized in that: A round rod (501) is rotatably connected to the inside of the connecting block (5). A torsion spring (503) is fixedly connected to the side wall of the round rod (501). The round rod (501) is fixedly connected to the top of the clamping ring (502).

3. The leak-free plugging pipe fitting according to claim 1, characterized in that: A flange ring (3) is fixedly connected to the bottom of the blind plate (2). The flange ring (3) is fixedly connected to the top of the connecting plate (101).

4. A leak-free plugging pipe fitting according to claim 1, characterized in that: A vertical rod (6) penetrates through the top of the blind plate (2). A handle (601) is fixedly connected to the top of the vertical rod (6). A compression spring (602) is fixedly connected to the bottom of the handle (601). The end of the compression spring (602) is fixedly connected to the top of the blind plate (2).

5. The leak-free plugging pipe fitting according to claim 4, characterized in that: An umbrella-shaped flange (4) is fixedly connected to the bottom of the vertical rod (6).

6. The leak-free plugging pipe fitting according to claim 5, characterized in that: A circular groove (102) is formed in the inner wall of the pipe fitting body (1). The side wall of the umbrella-shaped flange (4) is clamped inside the circular groove (102).

7. A leak-free plugging pipe fitting according to claim 1, characterized in that: The number of the clamping rings (502) is four groups. The four groups of clamping rings (502) are evenly distributed at the bottom of the connecting block (5). The number of the clamping blocks (7) is four groups. The positions of the four groups of clamping blocks (7) correspond to those of the clamping rings (502).

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