Leak-proof gas delivery device

Abstract

The utility model relates to gas delivery technical field, and disclose a kind of leakage-proof gas delivery device, including filter screen, setting in filter cavity;Top plate, fixedly connected to filter screen top;Cavity, symmetrically set in fixed ring opposite face;Spring, one end fixedly connected to cavity inboard;Limiting block, fixedly connected to spring other end;Limiting hole, symmetrically opened in top plate outer side wall;Fixing mechanism, set on filter cavity and limiting block. First, movable plate is pulled to the side away from fixed ring, pull rod drives limiting block to retract inside cavity, spring is extruded, limiting block is fixed using fixing mechanism, then top plate and filter screen are inserted into recess in the middle of filter cavity, then reverse rotation handle, so that fixed block is separated from fixed hole, at this time, spring drives limiting block to extend into limiting hole, realize the fixation of top plate, to complete the installation of filter screen, filter screen will be filtered by the gas of filter cavity, avoid impurity to block pipeline.

Description

Technical Field

[0001] This utility model relates to the field of gas transmission technology, specifically a leak-proof gas transmission device. Background Technology

[0002] As we all know, with the continuous development of the national economy and the continuous construction and improvement of infrastructure such as domestic natural gas long-distance pipelines and underground gas storage facilities, my country's annual natural gas consumption capacity has exceeded 100 billion cubic meters. The gas pressure regulating system is the core of the entire urban gas transmission and distribution system. It is the guarantee of the safety, stability and continuity of urban gas supply and an indispensable part of people's production and life.

[0003] When existing pipelines transport natural gas, impurities such as coal ash or iron filings can easily remain in the pipelines or the gas itself. When natural gas containing these impurities is transported, it can easily clog the pipeline openings, creating safety hazards. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a leak-proof gas delivery device that facilitates the filtering of impurities in the gas, thus solving the problem that existing gas pipelines are prone to blockage due to impurities during delivery.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a leak-proof gas delivery device, comprising a main body assembly, wherein the main body assembly includes:

[0008] The pipe has a filter chamber in its middle;

[0009] A fixing ring is symmetrically arranged on the outer wall of the filter chamber;

[0010] A filter assembly is provided on the filter chamber and the fixing ring, the filter assembly including:

[0011] A filter screen is disposed inside the filter chamber;

[0012] Top plate, fixedly connected to the top of the filter screen;

[0013] Cavities are symmetrically arranged on the opposing surfaces of the fixed rings;

[0014] A spring, one end of which is fixedly connected to the inner wall of the cavity;

[0015] A limiting block is fixedly connected to the other end of the spring;

[0016] Limiting holes are symmetrically opened on the outer side wall of the top plate;

[0017] A fixing mechanism is provided on the filter chamber and the limiting block.

[0018] Preferably, the fixing mechanism includes:

[0019] A pull rod is symmetrically and fixedly connected to one end of the limiting block near the spring, and the other end of the pull rod extends through to the outside of the fixing ring;

[0020] The movable plate is fixedly connected to the right end of the pull rod;

[0021] A lead screw is threadedly connected to the movable plate;

[0022] The throttle is fixedly connected to the top of the lead screw;

[0023] A fixed block is rotatably connected to the bottom of the lead screw;

[0024] A fixing hole is formed at the top of the fixing ring.

[0025] Preferably, a sealing ring is provided on the outside of the top plate.

[0026] Preferably, the top of the limiting block is provided with an inclined surface.

[0027] Preferably, the top of the top plate is symmetrically and fixedly connected with handles.

[0028] Preferably, the throttle is provided with anti-slip texture on the outside.

[0029] (III) Beneficial Effects

[0030] Compared with the prior art, the present invention provides a leak-proof gas delivery device, which has the following advantages:

[0031] This conveying device has the advantage of easily filtering impurities in the gas. First, the movable plate is pulled away from the fixed ring, and the pull rod drives the limiting block back into the cavity. The spring is compressed, and the limiting block is fixed by the fixing mechanism. Then, the top plate and filter screen are inserted into the groove in the middle of the filter chamber. Next, the handle is rotated in the opposite direction, causing the fixed block to disengage from the fixing hole. At this time, the spring drives the limiting block to extend into the limiting hole, thus fixing the top plate and completing the installation of the filter screen. The filter screen filters the gas passing through the filter chamber, preventing impurities from clogging the pipeline. This solves the problem that existing gas pipelines are prone to clogging due to impurities during transportation. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of this utility model;

[0033] Figure 2 This is a schematic diagram of the filter installation structure in this utility model;

[0034] Figure 3 This is a schematic diagram of the fixing ring structure in this utility model;

[0035] Figure 4 This is a front view cross-sectional structural diagram of the filter screen installation in this utility model;

[0036] Figure 5 This is a schematic diagram of the sealing ring structure in this utility model.

[0037] In the picture:

[0038] 1. Main component; 11. Pipeline; 12. Filter chamber; 13. Fixing ring;

[0039] 2. Filter assembly; 21. Filter screen; 22. Top plate; 23. Cavity; 24. Spring; 25. Limiting block; 26. Limiting hole; 27. Fixing mechanism; 271. Pull rod; 272. Movable plate; 273. Lead screw; 274. Rotary handle; 275. Fixing block; 276. Fixing hole;

[0040] 3. Sealing ring; 4. Handle; 5. Anti-slip texture. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0042] Example 1

[0043] See Figure 1-5A leak-proof gas delivery device includes a main component 1, which includes: a pipe 11 with a filter chamber 12 in its middle; a fixing ring 13 symmetrically arranged on the outer wall of the filter chamber 12; a filter assembly 2 disposed on the filter chamber 12 and the fixing ring 13, the filter assembly 2 including: a filter screen 21 disposed in the filter chamber 12; a top plate 22 fixedly connected to the top of the filter screen 21; a cavity 23 symmetrically arranged on the opposite side of the fixing ring 13; a spring 24 fixedly connected at one end to the inner wall of the cavity 23; a limiting block 25 fixedly connected to the other end of the spring 24; limiting holes 26 symmetrically opened on the outer wall of the top plate 22; and a fixing mechanism 27 disposed on the filter chamber 12 and the limiting block 25. The fixing mechanism 27 includes: a pull rod 271, symmetrically and fixedly connected to one end of the limiting block 25 near the spring 24, with the other end of the pull rod 271 extending through to the outside of the fixing ring 13; a movable plate 272, fixedly connected to the right end of the pull rod 271; a lead screw 273, threadedly connected to the movable plate 272; a throttle handle 274, fixedly connected to the top of the lead screw 273; a fixing block 275, rotatably connected to the bottom of the lead screw 273; and a fixing hole 276, formed at the top of the fixing ring 13. A sealing ring 3 is provided on the outside of the top plate 22.

[0044] In use, the operator first pulls the movable plate 272 away from the fixed ring 13. The movable plate 272, through the pull rod 271, drives the limiting block 25 back into the cavity 23, compressing the spring 24. Then, the fixing mechanism 27 fixes the limiting block 25. When the operator pulls the fixing block 275 at the bottom of the lead screw 273 above the fixing hole 276, the operator rotates the handle 274. The handle 274 drives the lead screw 273 to rotate, and the lead screw 273 drives the bottom fixing block 275 to extend into the fixing hole 276. Inside the 76, the limiting block 25 is positioned. After both limiting blocks 25 on both sides are positioned, the operator inserts the top plate 22 and filter screen 21 into the groove in the middle of the filter chamber 12, and then rotates the handle 274 in the opposite direction, causing the fixing block 275 to disengage from the fixing hole 276. At this time, the spring 24 drives the limiting block 25 to extend into the limiting hole 26, thereby fixing the top plate 22 and completing the installation of the filter screen 21. The filter screen 21 will filter the gas passing through the filter chamber 12, preventing impurities from clogging the pipe 11. When the filter screen 21 has been used for a long time, the operator uses the fixing mechanism 27 to limit the limiting block 25 inside the cavity 23 again, and then the filter screen 21 and top plate 22 can be removed from the filter chamber 12 for easy replacement of the new filter screen 21, preventing impurities from clogging the filter holes and affecting the gas flow rate. When the filter screen 21 and the top plate 22 are installed on the filter chamber 12, the sealing ring 3 contacts the edge of the groove of the filter chamber 12 to prevent gas leakage, thereby affecting the safety of gas transmission.

[0045] Example 2

[0046] An auxiliary function has been added based on Embodiment 1.

[0047] See Figure 1-5 The limiting block 25 has a sloping surface at its top. The top plate 22 has handles 4 symmetrically and fixedly connected to its top. The handle 274 has anti-slip textures 5 on its exterior.

[0048] The inclined surface at the top of the limiting block 25 allows the operator to install the top plate 22 without prior positioning of the limiting block 25 using the fixing mechanism 27: the operator directly inserts the top plate 22 and the filter screen 21 into the groove of the filter chamber 12. When the edge of the top plate 22 contacts the inclined surface of the limiting block 25, the limiting block 25 is pushed into the cavity 23, and the spring 24 is compressed. When the bottom of the filter screen 21 contacts the bottom surface of the filter chamber 12, the limiting block 25 and the limiting hole 26 are on the same horizontal line, and the spring 24 pushes the limiting block 25 into the limiting hole 26, thus automatically fixing the top plate 22. This increases the convenience of installing the filter screen 21 and the top plate 22. The handle 4 on the top of the top plate 22 makes it easy for the operator to pick up the top plate 22. When the operator turns the handle 274, the anti-slip texture 5 on the outside of the handle 274 increases the friction between the operator's hand and the handle 274, thus increasing the effort required to turn the handle 274.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leak-proof gas delivery device, comprising a main body assembly (1), the main body assembly (1) comprising: Pipe (11), in which a filter chamber (12) is provided; A fixing ring (13) is symmetrically arranged on the outer wall of the filter chamber (12); The feature is that a filter assembly (2) is provided on the filter chamber (12) and the fixing ring (13), and the filter assembly (2) includes: A filter screen (21) is disposed inside the filter chamber (12); Top plate (22) is fixedly connected to the top of the filter screen (21); Cavities (23) are symmetrically arranged on the opposing surfaces of the fixing rings (13); A spring (24) is fixedly connected at one end to the inner wall of the cavity (23); The limiting block (25) is fixedly connected to the other end of the spring (24); Limiting holes (26) are symmetrically opened on the outer side wall of the top plate (22); A fixing mechanism (27) is provided on the filter chamber (12) and the limiting block (25).

2. The leak-proof gas delivery device according to claim 1, characterized in that: The fixing mechanism (27) includes: A pull rod (271) is symmetrically and fixedly connected to one end of the limiting block (25) near the spring (24), and the other end of the pull rod (271) extends through to the outside of the fixing ring (13); The movable plate (272) is fixedly connected to the right end of the pull rod (271); The lead screw (273) is threaded onto the movable plate (272); The throttle (274) is fixedly connected to the top of the lead screw (273); A fixed block (275) is rotatably connected to the bottom of the lead screw (273); A fixing hole (276) is provided on the top of the fixing ring (13).

3. The leak-proof gas delivery device according to claim 2, characterized in that: A sealing ring (3) is provided on the outside of the top plate (22).

4. The leak-proof gas delivery device according to claim 3, characterized in that: The top of the limiting block (25) is provided with a slope.

5. A leak-proof gas delivery device according to claim 4, characterized in that: The top plate (22) is symmetrically connected to a handle (4).

6. A leak-proof gas delivery device according to claim 5, characterized in that: The throttle (274) is provided with anti-slip texture (5) on the outside.

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