CN218935333U - A leak-proof natural gas pipeline valve - Google Patents

Abstract

The utility model discloses an anti-leakage natural gas pipeline valve, which comprises a valve body, a first pipeline is arranged on the left side of the valve body, a second pipeline is arranged on the right side of the valve body, the first pipeline and the second pipeline are both There is a connection mechanism, and a valve ball mechanism is provided in the valve body. The valve ball mechanism includes a square box, which is fixedly installed in the valve body. A first spring is arranged in the square box. One end is slidably connected with the square box, and the other end of the limit rod runs through the square box and is provided with a ball. The utility model is provided with a connecting mechanism to facilitate the connection of natural gas pipelines with different orientations and angles, which is beneficial to improving the practicability of natural gas pipeline valves. The utility model is provided with a valve ball mechanism to improve the sealing performance of natural gas pipeline valves. Purpose, to prevent natural gas leakage.

Description

A leak-proof natural gas pipeline valve

technical field

The utility model relates to the technical field of valves, in particular to an anti-leakage natural gas pipeline valve.

Background technique

The valve is a control component in the fluid delivery system, which has functions such as cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion or overflow pressure relief.

The authorized publication number is CN209872147U, which discloses a natural gas pipeline valve, including a delivery pipe. The left and right sides of the delivery pipe are fixedly connected with flanges, and the opposite sides of the two flanges are provided with screw holes. The utility model is used in cooperation with a limit block, a limit groove, a sampling head and a clamping mechanism, and the upward elastic force generated by the spring drives the top of the sleeve to move upward, the sleeve drives the fixed plate to move upward, and the fixed plate drives The limit block moves upward until it coincides with the limit groove, the turntable can be automatically fixed, the piston plate drives the natural gas into the sampling cylinder, the second valve is closed, the detection equipment is connected to the sampling head, and the third valve is opened to make the natural gas After sampling is completed, turn the knob, the knob drives the clamping block to move upward through the threaded hole, and the threaded rod drives the inner ring of the bearing to rotate until the clamping block contacts the surface of the delivery pipe and is fixed firmly, which can make the pipeline valve easy to lift.

However, there are still some deficiencies in this design scheme. During the use of natural gas pipeline valves, the sealing effect is not ideal, resulting in easy leakage, and the valve cannot be connected to natural gas pipelines at different positions and angles on both sides, resulting in valve practicability. Lower, for this purpose, we propose an anti-leakage natural gas pipeline valve.

Utility model content

The purpose of the utility model is to provide an anti-leakage natural gas pipeline valve to solve the problems raised by the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a leak-proof natural gas pipeline valve, including a valve body, the left side of the valve body is provided with a first pipeline, the first pipeline is an intake pipe, and the valve body There is a second pipeline on the right side, the second pipeline is a gas outlet pipe, and the first pipeline and the second pipeline are provided with a connecting mechanism, which facilitates the connection of natural gas pipelines in different directions. It is beneficial to improve the practicability of natural gas pipeline valves. The valve body is provided with a valve ball mechanism, which can improve the sealing performance of natural gas pipeline valves and prevent natural gas leakage. The valve ball mechanism includes a square box, The square box is fixedly installed in the valve body, the square box is provided with a first spring, the first spring is in a compressed state, the first spring is provided with a limit rod, the cross-sectional shape of the limit rod is T-shaped, and the One end of the limiting rod is slidably connected to the square box, and the other end of the limiting rod penetrates the square box and is provided with a sphere, and the sphere is provided to cooperate with a gasket to facilitate sealing of the sealing tube.

Preferably, the valve body is provided with a sealing tube, the bottom end of the sealing tube is provided with a sealing gasket, the side of the sealing tube is provided with a conduit, and one end of the conduit communicates with the second pipeline, and the conduit is provided to play For the purpose of conducting gas.

Preferably, the sphere is provided with a pull rod, the cross section of the pull rod is T-shaped, one end of the pull rod penetrates the valve body, and a slot is opened on the pull rod, and the slot is provided to facilitate insertion of the insertion rod.

Preferably, the valve body is provided with a mounting plate, the mounting plate is provided with a second spring, and the second spring is in a stretched state.

Preferably, one end of the second spring is provided with an insertion rod, which facilitates insertion into the slot to achieve the purpose of fixing the pull rod, and one end of the insertion rod penetrates the mounting plate.

Preferably, the connection mechanism includes telescopic tubes, and the number of the telescopic tubes is two, and the two telescopic tubes are respectively installed at one end of the first pipe and the second pipe, and the telescopic tubes are provided to match the flange , to facilitate the connection of natural gas pipelines in different directions and angles.

Preferably, the telescopic tube is provided with a flange, which is convenient for fixed connection with the natural gas pipeline.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model is equipped with a connecting mechanism to facilitate the connection of natural gas pipelines with different orientations and angles, which is conducive to improving the practicability of natural gas pipeline valves.

2. The utility model is provided with a valve ball mechanism to improve the sealing performance of natural gas pipeline valves and prevent natural gas leakage.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a bottom view of the sealing tube of the present utility model;

Fig. 3 is an enlarged view of A of the utility model.

In the figure: 1. Valve body; 2. Flange; 3. Telescopic tube; 4. First pipe; 5. First spring; 6. Square box; 7. Limit rod; 8. Slot; 9. Pull rod; 10. Sealing tube; 11. Ball; 12. Conduit; 13. Second pipe; 14. Insertion rod; 15. Second spring; 16. Mounting plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of anti-leakage natural gas pipeline valve in the illustration, comprises valve body 1, and the left side of valve body 1 is provided with first pipe 4, and first pipe 4 is the intake pipe, The right side of the valve body 1 is provided with a second pipeline 13, the second pipeline 13 is an air outlet pipe, the first pipeline 4 and the second pipeline 13 are provided with a connecting mechanism, by being provided with a connecting mechanism, it is convenient to connect different positions The purpose of the natural gas pipeline is to improve the practicability of the natural gas pipeline valve. The valve body 1 is equipped with a valve ball mechanism, which can improve the sealing performance of the natural gas pipeline valve and prevent natural gas leakage. The valve ball mechanism includes The square box 6, the square box 6 is fixedly installed in the valve body 1, the first spring 5 is arranged in the square box 6, the first spring 5 is in a compressed state, the first spring 5 is provided with a limit rod 7, the limit rod 7 The cross-sectional shape is T-shaped, one end of the limit rod 7 is slidingly connected with the square box 6, and the other end of the limit rod 7 runs through the square box 6 and is provided with a sphere 11. By setting the sphere 11, it cooperates with the gasket to facilitate the sealing of the sealed tube 10.

Wherein, the valve body 1 is provided with a sealing tube 10, the bottom end of the sealing tube 10 is provided with a sealing gasket, the side of the sealing tube 10 is provided with a conduit 12, and one end of the conduit 12 is connected to the second conduit 13, through which the conduit 12 is provided, the For the purpose of conducting gas, a tie rod 9 is provided on the ball 11. The cross-sectional shape of the tie rod 9 is T-shaped. One end of the tie rod 9 runs through the valve body 1. A slot 8 is provided on the tie rod 9. The slot 8 is provided to facilitate insertion. For the insertion of the rod 14, the valve body 1 is provided with a mounting plate 16, the mounting plate 16 is provided with a second spring 15, the second spring 15 is in a stretched state, and one end of the second spring 15 is provided with an insertion rod 14, by setting There is a plunger 14 for easy insertion into the slot 8 to achieve the purpose of fixing the pull rod 9 , and one end of the plunger 14 runs through the mounting plate 16 .

When using this natural gas pipeline valve: pull the insertion rod 14 first, pull one end of the insertion rod 14 away from the slot 8, and press down the pull rod 9, the pull rod 9 will drive the ball 11 away from the bottom of the sealing tube 10 until the ball 11 moves down to the proper position, and then loosen the latch 14, the latch 14 will be inserted into the slot 8 under the force of the second spring 15 to achieve the purpose of fixing the tie rod 9 and the ball 11, and the natural gas will enter through the first pipeline 4 The valve body 1 enters the second pipe 13 from the sealing pipe 10 and the conduit 12 in the valve body 1, and then passes out from the second pipe 13. When the valve is to be closed, the latch 14 is pulled, and the ball 11 is in the first spring 5, the seal tube 10 is sealed with the sealing gasket to achieve the purpose of closing the valve, and since the left side of the valve body 1 is the air intake end, the sphere 11 will be in close contact with the pressure of the first spring 5 and natural gas. Combine and seal the bottom of pipe 10, play the purpose of improving the tightness of natural gas pipeline valve, prevent natural gas from leaking.

Example 2

Please refer to Fig. 1, this implementation mode further explains Example 1, a kind of anti-leakage natural gas pipeline valve in the figure, comprises valve body 1, and the left side of valve body 1 is provided with first pipeline 4, and first pipeline 4 is Air intake pipe, the right side of valve body 1 is provided with second pipeline 13, and second pipeline 13 is air outlet pipe, and first pipeline 4 and second pipeline 13 are all provided with connecting mechanism, by being provided with connecting mechanism, play convenience. The purpose of connecting natural gas pipelines in different directions is conducive to improving the practicability of natural gas pipeline valves. The valve body 1 is equipped with a valve ball mechanism, which can improve the sealing performance of natural gas pipeline valves and prevent natural gas leakage. The ball mechanism includes a square box 6, which is fixedly installed in the valve body 1, and a first spring 5 is arranged in the square box 6, and the first spring 5 is in a compressed state. The cross-sectional shape of the rod 7 is T-shaped, and one end of the limit rod 7 is slidingly connected with the square box 6, and the other end of the limit rod 7 runs through the square box 6 and is provided with a sphere 11. The sealing tube 10 is sealed.

Wherein, the connection mechanism includes telescopic tube 3, the number of telescopic tube 3 is two, and two telescopic tubes 3 are respectively installed on one end of the first pipeline 4 and the second pipeline 13, by being provided with telescopic tube 3, matching flange 2 , to facilitate the connection of natural gas pipelines in different directions and angles, the telescopic tube 3 is provided with a flange 2, and by being provided with the flange 2, it is convenient to be fixedly connected with the natural gas pipeline.

In this embodiment, when the natural gas pipeline valve is provided, the telescopic tube 3 has the purpose of compensating the angle and length, and cooperates with the flange 2 to facilitate the connection of natural gas pipelines with different orientations and angles.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A leak-proof natural gas pipeline valve, characterized in that, comprising: The valve body (1), the left side of the valve body (1) is provided with a first pipeline (4), the right side of the valve body (1) is provided with a second pipeline (13), the first Both the pipeline (4) and the second pipeline (13) are provided with connecting mechanisms, and the valve body (1) is provided with a valve ball mechanism, and the valve ball mechanism includes a square box (6), and the square box (6 ) is fixedly installed in the valve body (1), the first spring (5) is provided in the square box (6), and the first spring (5) is provided with a limit rod (7), and the limit rod One end of (7) is slidingly connected with the square box (6), and the other end of the limit rod (7) runs through the square box (6) and is provided with a sphere (11). 2. An anti-leakage natural gas pipeline valve according to claim 1, characterized in that: the valve body (1) is provided with a sealing tube (10), and the bottom end of the sealing tube (10) is provided with a sealing A pad, a conduit (12) is provided on the side of the sealing tube (10), and one end of the conduit (12) communicates with the second pipeline (13). 3. An anti-leakage natural gas pipeline valve according to claim 1, characterized in that: the sphere (11) is provided with a pull rod (9), and one end of the pull rod (9) runs through the valve body (1), A slot (8) is provided on the pull rod (9). 4. An anti-leakage natural gas pipeline valve according to claim 1, characterized in that: the valve body (1) is provided with a mounting plate (16), and the mounting plate (16) is provided with a second spring (15). 5. An anti-leakage natural gas pipeline valve according to claim 4, characterized in that: one end of the second spring (15) is provided with an insertion rod (14), and one end of the insertion rod (14) is installed through plate (16). 6. A leak-proof natural gas pipeline valve according to claim 1, characterized in that: the connecting mechanism includes telescopic tubes (3), the number of the telescopic tubes (3) is two, and the two telescopic tubes (3) The telescopic tubes (3) are respectively installed at one end of the first pipeline (4) and the second pipeline (13). 7. The anti-leakage natural gas pipeline valve according to claim 6, characterized in that: the telescopic tube (3) is provided with a flange (2).

Images