Natural gas valve convenient to replace

Abstract

The utility model discloses a natural gas valve convenient to replace, and belongs to the technical field of natural gas valves, the natural gas valve convenient to replace comprises natural gas pipelines and a valve body, the two sides of the valve body are communicated with connecting pipes, the two connecting pipes are arranged on the outer sides of the corresponding natural gas pipelines in a sleeving mode, and protective boxes are fixedly installed on the outer sides of the two connecting pipes; and two rectangular plates are fixedly mounted on the inner sides of the two protection boxes correspondingly, inclined grooves are formed in the four rectangular plates correspondingly, limiting blocks are slidably connected into the four inclined grooves correspondingly, and inclined blocks movably abut against one sides of the four limiting blocks correspondingly. The natural gas pipeline and the connecting pipe are not fixed through mutual matching of the inclined groove, the limiting block, the fixing ring, the inclined block and the inserting rod, then the valve body and the connecting pipe fixed to the valve body can be replaced conveniently, extra tools are not needed in the whole disassembling process, and the disassembling efficiency is improved. And therefore, time and labor are saved during disassembly, the disassembly efficiency is greatly improved, and the practicability is wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas valve technical field especially, relate to a natural gas valve convenient to replace. BACKGROUND

[0002] The gas valve is a new type of safety matching device of gas pipeline engineering, which is used for cutting off, connecting and adjusting the gas in the pipeline, has good control characteristics and sealing performance, and is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen.

[0003] In the prior art of natural gas valve technology, the natural gas valve and the natural gas pipeline are generally fixed by bolts, but the bolts are prone to rust after long-term use, so that the bolts will be broken when the natural gas valve is replaced, thereby causing time and labor when disassembling, greatly reducing the disassembly efficiency, and the practicality is not wide; therefore, the utility model provides a natural gas valve convenient to replace to solve the problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a natural gas valve convenient to replace to solve the problems in the above background.

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

[0006] A natural gas valve convenient to replace, including: natural gas pipeline and valve body, both sides of the valve body are communicated with connecting pipe, two connecting pipes are sleeved on the outer side of the corresponding natural gas pipeline, the outer side of two connecting pipes is fixedly installed with protection box, the inner side of two protection boxes is fixedly installed with two rectangular plates, the inside of four rectangular plates is equipped with inclined groove, the inside of four inclined grooves is slidably connected with limiting block, the side of four limiting blocks is movably abutted with inclined block, the side of four inclined blocks is fixedly installed with plug rod, the outer side of four plug rods is slidably connected in the inside of the corresponding connecting pipe, and the end of four plug rods is movably inserted in the inside of the corresponding natural gas pipeline.

[0007] Preferably, one side of the four limiting blocks is fixedly installed with a connecting block, one side of the four connecting blocks is fixedly installed with a pull rod, the outer side of the two protection boxes is provided with two T-shaped sliding grooves, the inside of the four T-shaped sliding grooves is slidably connected with an LT-shaped sliding block, one side of the four LT-shaped sliding blocks is fixedly installed with a telescopic column, one end of the four telescopic columns is fixedly installed on the side wall of the corresponding LT-shaped sliding block, one side of the four LT-shaped sliding blocks is fixedly connected with a No.

[0008] Preferably, the outer side of the four insertion rods is slidably connected to the inside of the rectangular plate, the outer side of the four insertion rods is fixedly installed with a fixed ring, one side of the four fixed rings is fixedly connected with a No. 1 reset spring, one end of the four No. 1 reset springs is fixedly connected to the outer side of the corresponding rectangular plate.

[0009] Preferably, one side of the four connecting blocks is fixedly installed with a T-shaped moving block, the outer side of the two connecting pipes is provided with two T-shaped moving grooves, the outer side of the four T-shaped moving blocks is slidably connected in the corresponding T-shaped moving groove.

[0010] Preferably, one side of the four pull rods is fixedly installed with an arc-shaped plate, the same side of the two arc-shaped plates is fixedly installed with the same sliding ring, the two sliding rings are slidably connected to the outer side of the corresponding connecting pipe.

[0011] Preferably, the inner side of the two connecting pipes is fixedly installed with a sealing washer, the inner side of the two sealing washers is movably abutted to the outer side of the corresponding natural gas pipeline, the inside of the valve body is rotatably installed with a rotating rod, and the top of the rotating rod is fixedly connected with a rotating wheel.

[0012] In the utility model, the arc-shaped plate is pulled to make the sliding ring and the pull rod start to slide along the connecting pipe, and then drive the connecting block and the T-shaped moving block to start to move along the T-shaped moving groove, so that the limiting block starts to move along the T-shaped moving groove, the limiting block no longer abuts against the chute, the inclined block and the insertion rod move along the chute under the action of the No. 1 reset spring, the insertion rod is separated from the inside of the natural gas pipeline, the natural gas pipeline and the connecting pipe are not fixed, and the valve body and the connecting pipe fixedly connected with the valve body are convenient to replace;

[0013] The utility model discloses a natural gas valve convenient to replace, through pulling LT type slider and driving LT type slider to move along T type sliding slot, thereby make LT type slider separate from the inside of pull rod, and further make LT type slider no longer limit the movement of pull rod,

[0014] The utility model discloses reasonable structure design, through the mutual cooperation between chute, limit block, fixed ring, inclined block and plug rod makes natural gas pipeline and connecting pipe not fixed between, and further convenient for the replacement of valve body and the connecting pipe fixed with valve body, and the whole dismounting process does not need to use extra tool, and further make when dismounting save time and effort, thereby greatly improve the dismounting efficiency, and the practicality is wider. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a kind of natural gas valve convenient to replace's three-dimensional structure schematic diagram that the utility model proposes;

[0016] Figure 2 It is a kind of natural gas valve convenient to replace's sectional structure schematic diagram that the utility model proposes;

[0017] Figure 3 It is Figure 2 It is the local enlarged view of part A in the utility model;

[0018] Figure 4 It is Figure 2 It is the local enlarged view of part B in the utility model.

[0019] In the drawing: 1, natural gas pipeline;2, valve body;3, rotating rod;4, runner;5, connecting pipe;6, protection box;7, sealing washer;8, rectangular plate;9, chute;10, limit block;11, inclined block;12, plug rod;13, fixed ring;14, no. 1 return spring;15, connecting block;16, T type moving block;17, T type moving slot;18, pull rod;19, arc plate;20, sliding ring;21, T type sliding slot;22, LT type slider;23, telescopic column;24, no. 2 return spring. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment, and apparently, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.

[0021] Refer to Figures 1-4The utility model provides a natural gas valve convenient to replace, including: natural gas pipeline 1 and valve body 2, both sides of valve body 2 are connected with connecting pipe 5, two connecting pipes 5 are set on the outside of corresponding natural gas pipeline 1, the outside of two connecting pipes 5 is fixedly installed with the protection box 6, the inside of two protection boxes 6 is fixedly installed with two rectangular plates 8, the inside of four rectangular plates 8 is equipped with inclined slot 9, the inside of four inclined slots 9 is slidably connected with limit block 10, one side of four limit blocks 10 is movably connected with inclined block 11, one side of four inclined blocks 11 is fixedly installed with plug rod 12, the outside of four plug rods 12 is slidably connected in the inside of corresponding connecting pipe 5, and one end of four plug rods 12 is movably inserted in the inside of corresponding natural gas pipeline 1.

[0022] In the embodiment, one side of four limit blocks 10 is fixedly installed with connecting block 15, one side of four connecting blocks 15 is fixedly installed with pull rod 18, one side of four pull rods 18 is fixedly installed with arc plate 19, one same sliding ring 20 is fixedly installed between two arc plates 19 located on the same side, two sliding rings 20 are slidably connected to the outside of corresponding connecting pipe 5, two T-shaped sliding grooves 21 are formed in the outside of two protection boxes 6, four LT-shaped sliding blocks 22 are slidably connected in the inside of four T-shaped sliding grooves 21, four telescopic columns 23 are fixedly installed on one side of four LT-shaped sliding blocks 22, one end of four telescopic columns 23 is fixedly installed on the side wall of corresponding LT-shaped sliding block 22, four second return springs 24 are fixedly connected on one side of four LT-shaped sliding blocks 22, one end of four second return springs 24 is fixedly connected on the side wall of corresponding LT-shaped sliding block 22, four second return springs 24 are sleeved on the outside of corresponding telescopic column 23, one end of four LT-shaped sliding blocks 22 is movably inserted in corresponding pull rod 18, and the movement of pull rod 18 is limited through LT-shaped sliding block 22.

[0023] In the embodiment, the outside of four plug rods 12 is slidably connected in the inside of rectangular plate 8, the outside of four plug rods 12 is fixedly installed with fixed ring 13, one side of four fixed rings 13 is fixedly connected with first return spring 14, one end of four first return springs 14 is fixedly connected on the outside of corresponding rectangular plate 8, so that plug rod 12 moves under the action of first return spring 14.

[0024] In the embodiment, one side of four connecting blocks 15 is fixedly installed with T-shaped moving block 16, two T-shaped moving grooves 17 are formed in the outside of two connecting pipes 5, the outside of four T-shaped moving blocks 16 is slidably connected in corresponding T-shaped moving groove 17, so that connecting block 15 always keeps stable when moving.

[0025] The inner side of the two connecting pipes 5 is fixedly provided with a sealing washer 7, the inner side of the two sealing washers 7 movably abuts the outer side of the corresponding natural gas pipeline 1, the valve body 2 is rotatably provided with a rotating rod 3, the top of the rotating rod 3 is fixedly connected with a rotating wheel 4, and the rotating wheel 4 and the rotating rod 3 are used for conveniently controlling the opening and closing of the natural gas.

[0026] In use, the rotating wheel 4 drives the rotating rod 3 to rotate, thereby controlling the opening and closing of the natural gas. When the valve body 2 needs to be replaced, the LT-shaped slider 22 is pulled to drive the LT-shaped slider 22 to move along the T-shaped sliding groove 21, so that the LT-shaped slider 22 is separated from the inside of the pull rod 18, thereby the LT-shaped slider 22 no longer limits the movement of the pull rod 18. Then the arc-shaped plate 19 is pulled to drive the sliding ring 20 and the pull rod 18 to slide along the connecting pipe 5, thereby driving the connecting block 15 and the T-shaped moving block 16 to move along the T-shaped moving groove 17, thereby driving the limiting block 10 to move along the T-shaped moving groove 17, so that the limiting block 10 no longer abuts the inclined groove 9, thereby the inclined block 11 and the insertion rod 12 move along the inclined groove 9 under the action of the first reset spring 14, thereby the insertion rod 12 is separated from the inside of the natural gas pipeline 1, so that the natural gas pipeline 1 and the connecting pipe 5 are no longer fixed, thereby the valve body 2 and the connecting pipe 5 fixedly connected with the valve body 2 are conveniently replaced, and the entire disassembly process does not need to use additional tools, thereby saving time and effort when disassembling, thereby greatly improving the disassembly efficiency, and the practicality is wider.

[0027] The natural gas valve convenient to replace is described in detail. The principle and implementation of the application are described by using specific examples. The above examples are used to help understand the method and core idea of the application. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the application, the application can be improved and modified, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A natural gas valve that is easy to replace, characterized in that, include: A natural gas pipeline (1) and a valve body (2) are provided. Both sides of the valve body (2) are connected to connecting pipes (5). Two connecting pipes (5) are sleeved on the outside of the corresponding natural gas pipeline (1). Protective boxes (6) are fixedly installed on the outside of the two connecting pipes (5). Two rectangular plates (8) are fixedly installed on the inside of the two protective boxes (6). Inclined grooves (9) are opened inside the four rectangular plates (8). Limiting blocks (10) are slidably connected inside the four inclined grooves (9). An inclined block (11) is movably abutted on one side of the four limiting blocks (10). An insert rod (12) is fixedly installed on one side of the four inclined blocks (11). The outside of the four insert rods (12) is slidably connected to the inside of the corresponding connecting pipe (5). One end of the four insert rods (12) is movably inserted into the inside of the corresponding natural gas pipeline (1).

2. The easily replaceable natural gas valve according to claim 1, characterized in that, A connecting block (15) is fixedly installed on one side of each of the four limiting blocks (10), and a pull rod (18) is fixedly installed on one side of each of the four connecting blocks (15). Two T-shaped slide grooves (21) are opened on the outer side of each of the two protective boxes (6). An LT-shaped slider (22) is slidably connected inside each of the four T-shaped slide grooves (21). A telescopic column (23) is fixedly installed on one side of each of the four LT-shaped sliders (22). One end of each telescopic column (23) is fixedly installed on the side wall of the corresponding LT-shaped slider (22). A second return spring (24) is fixedly connected on one side of each of the four LT-shaped sliders (22). One end of each second return spring (24) is fixedly connected to the side wall of the corresponding LT-shaped slider (22). The second return spring (24) is sleeved on the outer side of the corresponding telescopic column (23). One end of each LT-shaped slider (22) is movably inserted into the corresponding pull rod (18).

3. The easily replaceable natural gas valve according to claim 1, characterized in that, The outer sides of the four insertion rods (12) are slidably connected to the inside of the rectangular plate (8). The outer sides of the four insertion rods (12) are fixedly installed with fixing rings (13). One side of each of the four fixing rings (13) is fixedly connected with a first reset spring (14). One end of each of the four first reset springs (14) is fixedly connected to the outer side of the corresponding rectangular plate (8).

4. A replaceable natural gas valve according to claim 2, characterized in that, Each of the four connecting blocks (15) has a T-shaped moving block (16) fixedly installed on one side. Each of the two connecting pipes (5) has two T-shaped moving grooves (17) on its outer side. The outer sides of the four T-shaped moving blocks (16) are slidably connected to the corresponding T-shaped moving grooves (17).

5. A replaceable natural gas valve according to claim 2, characterized in that, An arc plate (19) is fixedly installed on one side of each of the four pull rods (18). A sliding ring (20) is fixedly installed between two arc plates (19) on the same side. The two sliding rings (20) are slidably connected to the outside of the corresponding connecting pipe (5).

6. A replaceable natural gas valve according to claim 1, characterized in that, A sealing gasket (7) is fixedly installed on the inner side of each of the two connecting pipes (5). The inner side of the two sealing gaskets (7) is movably abutted against the outer side of the corresponding natural gas pipeline (1). A rotating rod (3) is rotatably installed inside the valve body (2). A rotating wheel (4) is fixedly connected to the top of the rotating rod (3).

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