Ball valve capable of being rapidly installed

Abstract

The utility model discloses a ball valve capable of being installed quickly, which comprises a valve body, a concentric-square-shaped groove is arranged on the outer wall of the valve body, a concentric-square-shaped sealing strip is placed on the inner wall of the concentric-square-shaped groove, a concentric-square-shaped piece is extruded on the outer wall of the concentric-square-shaped sealing strip, an end cover is fixedly connected to the outer wall of the concentric-square-shaped piece, and the end cover and the outer wall of the valve body are fixedly communicated with a fixing pipe. And first sealing rings are placed in the two fixing pipes. By arranging the concentric-square-shaped sealing strip, the concentric-square-shaped piece, the end cover, the fixing pipe, the first sealing ring, the second sealing ring, the conical rubber ring, the butt-joint sleeve, the fixing block, the threaded rod, the rectangular block and the locking cap and adopting the modes of multiple sealing, slope extrusion, rapid butt-joint, modular disassembly and the like, the sealing performance of pipeline butt-joint and the convenience of ball replacement are remarkably improved; the sealing device has the advantages of being excellent in sealing performance, convenient to install and maintain, safe to operate, low in maintenance cost and wide in applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve installation technical field especially relates to a ball valve of quick installation. BACKGROUND

[0002] Ball valve is a kind of valve widely used in industrial pipeline system, its main function is to control the flow of fluid by rotating ball, the core component of ball valve is a ball with center hole, ball rotates 90 degrees around the axis of valve stem to realize the operation of opening and closing, when ball is aligned with valve seat, fluid can pass freely, when ball rotates 90 degrees, fluid is completely blocked.

[0003] In prior art, ball in ball valve is closed by cover plate thread connection during installation, if maintenance or replacement is needed, disassembly process can be relatively complex, and the connecting end of ball valve is connected with raw material belt by multiple screw sleeves when butting with metal pipeline, which is relatively cumbersome during subsequent disassembly, therefore we propose a kind of ball valve of quick installation to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and proposes a kind of ball valve of quick installation.

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

[0006] A kind of ball valve of quick installation, including valve body, the outer wall of valve body is equipped with back type groove, back type groove is placed with back type sealing strip in inner wall, the outer wall of back type sealing strip is extruded with back type piece, the outer wall of back type piece is fixedly connected with end cover, the outer wall of end cover and valve body is fixedly interconnected with fixed pipe, the inside of two fixed pipes is placed with first sealing ring, the one end of two first sealing rings is placed with second sealing ring, the outer wall of two second sealing rings is all set with tapered rubber ring, the outer wall of two fixed pipes is all set with butt joint sleeve with screw, the outer wall of valve body is equipped with locking assembly.

[0007] Preferably, the locking assembly includes four fixed blocks, the outer wall of valve body is fixedly connected with the outer wall of four fixed blocks, the outer wall of four fixed blocks is all equipped with T-shaped groove, the inner wall of four T-shaped grooves is all rotationally connected with T-shaped column, one end of two T-shaped columns is fixedly connected with the same screw rod, the outer wall of two screw rods is all set with locking cap with screw, the outer wall of end cover is fixedly connected with four rectangular blocks, end cover is fixed on valve body by setting locking assembly.

[0008] Preferably, the outer wall of end cover is extruded with the outer wall of valve body.

[0009] Preferably, the inner walls of the two butt joint sleeves are in contact with the outer walls of the two conical rubber rings respectively, and the conical rubber rings are arranged to be pressed to the outer wall of the pipeline, so that the pressing fixation is formed.

[0010] Preferably, the outer walls of the two locking caps are pressed to the outer walls of the four rectangular blocks respectively, and the end cover is fixed on the valve body through the pressing force of the locking cap.

[0011] Preferably, the valve body is internally provided with a ball, the top of the valve body is provided with a handle, and the internal structure of the valve body adopts an existing ball valve structure.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The scheme is provided with a back-shaped sealing strip, a back-shaped piece, an end cover, a fixed pipe, a first sealing ring, a second sealing ring, a conical rubber ring, a butt joint sleeve, a fixed block, a threaded rod, a rectangular block and a locking cap, adopts multiple sealing, inclined surface pressing, rapid butt joint and modular disassembly and the like, significantly improves the sealing performance of pipeline butt joint and the convenience of ball replacement, and has the advantages of excellent sealing performance, convenient installation and maintenance, safe operation, low maintenance cost and wide applicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed in the following specific embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Fig. 1 A perspective structural schematic view of the utility model is provided.

[0016] Fig. 2 A cross-sectional structural schematic view of the utility model is provided.

[0017] Fig. 3 A partial cross-sectional structural schematic view of the utility model is provided.

[0018] In the drawing: 1, valve body; 2, ball; 3, back-shaped sealing strip; 4, back-shaped piece; 5, end cover; 6, fixed pipe; 7, first sealing ring; 8, second sealing ring; 9, conical rubber ring; 10, butt joint sleeve; 11, fixed block; 12, threaded rod; 13, rectangular block; 14, locking cap; 15, handle. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] As shown in FIG. Figs. 1-3 The utility model discloses a quick installation ball valve, including the valve body 1, the outer wall of valve body 1 is set up with the back type groove, the inner wall of back type groove places back type sealing strip 3, the outer wall of back type sealing strip 3 is extruded with back type piece 4, the outer wall of back type piece 4 is fixedly connected with end cover 5, and the outer wall of end cover 5 is extruded with the outer wall of valve body 1, and the left side of valve body 1 is sealed by end cover 5.

[0021] The outer wall of end cover 5 and valve body 1 is fixedly interconnected with fixed pipe 6, and the inside of two fixed pipes 6 is placed with first sealing ring 7, and the one end of two first sealing rings 7 is placed with second sealing ring 8, and the outer wall of two second sealing rings 8 is sleeved with conical rubber ring 9, and first sealing ring 7 and second sealing ring 8 seal the connection of metal pipeline and fixed pipe 6.

[0022] The outer wall of two fixed pipes 6 is threadedly sleeved with butt joint sleeve 10, and the inner wall of two butt joint sleeves 10 is respectively in contact with the outer wall of two conical rubber rings 9.

[0023] The outer wall of valve body 1 is equipped with locking assembly, and the locking assembly includes four fixed blocks 11, and the outer wall of valve body 1 is fixedly connected with the outer wall of four fixed blocks 11, the outer wall of four fixed blocks 11 is set up with T type groove, and the inner wall of four T type grooves is rotatably connected with T type column, and the one end of two T type columns is fixedly connected with the same threaded rod 12, and threaded rod 12 is rotated through two T type columns.

[0024] The outer wall of two threaded rods 12 is threadedly sleeved with locking cap 14, and the outer wall of end cover 5 is fixedly connected with four rectangular blocks 13, the outer wall of two locking caps 14 is extruded with the outer wall of four rectangular blocks 13 respectively, locking cap 14 is extruded to the outer wall of rectangular block 13, end cover 5 is fixed on the left outer wall of valve body 1, the inside of valve body 1 is placed with ball 2, and the top of valve body 1 is equipped with handle 15.

[0025] Working principle: two fixed pipes 6 are butted with metal pipes, two butt joint sleeves 10 are first sleeved on two metal pipes, two tapered rubber rings 9 are then sleeved on two metal pipes, two second sealing rings 8 are respectively sleeved on two metal pipes, one end of the second sealing ring 8 is located in the tapered rubber ring 9, two first sealing rings 7 are then sleeved on two metal pipes, one end of two metal pipes is respectively inserted into the inside of two fixed pipes 6, one end of two first sealing rings 7 is respectively located in the inside of two fixed pipes 6, two butt joint sleeves 10 are rotated to make two second sealing rings 8 respectively extrude the outer wall of two first sealing rings 7, with the continuous rotation of two butt joint sleeves 10, two tapered rubber rings 9 are respectively extruded with the outer wall of two second sealing rings 8, and the inner tapered surface of two butt joint sleeves 10 is extruded on the outer wall of two tapered rubber rings 9, through the extrusion force of the inclined surface, two tapered rubber rings 9 are extruded inward on the outer wall of two metal pipes to fix the position; and when the ball 2 in the valve body 1 is replaced, the two locking caps 14 are rotated outward to no longer extrude the outer wall of the four rectangular blocks 13, the two threaded rods 12 are rotated to release the position fixation between the end cover 5 and the valve body 1, the end cover 5 is taken out from the left side of the valve body 1, and the ball 2 is exposed.

[0026] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the components known by the person skilled in the art are known or obtained through conventional experimental methods.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A ball valve that can be quickly installed, comprising a valve body (1), characterized in that, The outer wall of the valve body (1) is provided with a U-shaped groove, and a U-shaped sealing strip (3) is placed on the inner wall of the U-shaped groove. A U-shaped part (4) is squeezed on the outer wall of the U-shaped sealing strip (3). An end cap (5) is fixedly connected to the outer wall of the U-shaped part (4). The end cap (5) and the outer wall of the valve body (1) are both fixedly connected by a fixing tube (6). A first sealing ring (7) is placed inside each of the two fixing tubes (6). A second sealing ring (8) is placed at one end of each of the two first sealing rings (7). A conical rubber ring (9) is fitted on the outer wall of each of the two second sealing rings (8). A mating sleeve (10) is threaded on the outer wall of each of the two fixing tubes (6). A locking assembly is provided on the outer wall of the valve body (1).

2. The ball valve that can be quickly installed according to claim 1, characterized in that, The locking assembly includes four fixing blocks (11). The outer wall of the valve body (1) is fixedly connected to the outer wall of the four fixing blocks (11). The outer wall of each of the four fixing blocks (11) is provided with a T-shaped groove. The inner wall of each of the four T-shaped grooves is rotatably connected with a T-shaped post. One end of each of the two T-shaped posts is fixedly connected to the same threaded rod (12). The outer wall of each of the two threaded rods (12) is threaded with a locking cap (14). The outer wall of the end cap (5) is fixedly connected with four rectangular blocks (13).

3. The ball valve that can be quickly installed according to claim 1, characterized in that, The outer wall of the end cap (5) is pressed against the outer wall of the valve body (1).

4. The ball valve that can be quickly installed according to claim 1, characterized in that, The inner walls of the two mating sleeves (10) are in contact with the outer walls of the two conical rubber rings (9), respectively.

5. A ball valve that can be quickly installed according to claim 2, characterized in that, The outer walls of the two locking caps (14) are pressed against the outer walls of the four rectangular blocks (13).

6. The ball valve that can be quickly installed according to claim 1, characterized in that, A ball (2) is placed inside the valve body (1), and a handle (15) is provided on the top of the valve body (1).

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