Fuel gas pressure regulator convenient to install

Abstract

The utility model relates to the technical field of fuel gas pressure regulators, and discloses a fuel gas pressure regulator convenient to install, which comprises a pressure regulating valve main body, a regulating valve comprises an overflowing regulating cut-off device and a pressure regulating device, a connecting pipe is arranged at the side part of the pressure regulating valve main body, a gas pipe is installed at the side part of the connecting pipe, and the regulating cut-off device, the pressure regulating device and the gas pipe are communicated. A corrugated pipe is arranged at the end of the air pipe, a sealing assembly is arranged in the corrugated pipe, a baffle ring is arranged on the side of the connecting pipe, a first notch and a second notch are formed, a clamping nail is in threaded connection with the interiors of the first notch and the second notch, the air pipe is in threaded connection with the connecting pipe during installation, then the clamping nail is inserted into the first notch and rotates, and the air pipe is connected with the connecting pipe through threads. Through threaded connection and the arrangement of the clamping nail, firm and reliable connection between the air pipe and the connecting pipe can be ensured, the situation of air leakage or connection fracture caused by looseness is prevented, and through the arrangement of the pull ring and the elastic rope, the clamping nail is prevented from being lost as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pressure regulator technical field, concretely is a kind of gas pressure regulator of easy installation. BACKGROUND

[0002] Gas pressure regulator is a kind of device for adjusting gas pressure. It is widely used in gas supply system, for ensuring the stability and safety of gas supply. Gas pressure regulator is usually installed on gas pipeline, by controlling the flow and pressure of gas, high-pressure gas is adjusted to suitable low pressure for domestic, industrial and commercial purposes. Regulator adjusts the output pressure of gas automatically by using certain mechanical or electronic control mode to meet the set requirements. Gas pressure regulator plays an important role in gas safety and energy saving, can protect gas equipment and user's safety.

[0003] At present, gas pressure regulator generally uses threaded installation, threaded installation is a common installation method, gas pressure regulator can be installed on gas pipeline by threaded connection, but if threaded connection is not properly maintained and fastened during installation, or is affected by external vibration and other factors during use, threaded connection may become loose, gas pressure regulator around may leak, which will cause gas leakage, increase the risk of fire and explosion;Therefore, it does not meet the existing needs, for this, we propose a kind of gas pressure regulator of easy installation. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of gas pressure regulator of easy installation, with the beneficial effect of preventing gas leakage or connection rupture caused by loosening, solve the problem that gas pressure regulator generally uses threaded installation mentioned in above background art, threaded installation is a common installation method, gas pressure regulator can be installed on gas pipeline by threaded connection, but if threaded connection is not properly maintained and fastened during installation, or is affected by external vibration and other factors during use, threaded connection may become loose, threaded connection loosens, gas pressure regulator around may leak, which will cause gas leakage, increase the risk of fire and explosion.

[0005] The utility model provides following technical scheme: a kind of gas pressure regulator of easy installation, including pressure regulating valve main body, the regulating valve includes overflow regulating cut-off device and pressure regulating device, the connecting pipe is arranged in pressure regulating valve main body side portion, gas pipe is installed in connecting pipe side portion, overflow regulating cut-off device, the pressure regulating device and the gas pipe are communicated and arranged, the corrugated pipe is arranged in gas pipe end portion, sealing assembly is arranged in corrugated pipe interior, the retaining ring is arranged in connecting pipe side portion.

[0006] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the end of the gas pipe is provided as threaded section, the inner wall of the connecting pipe is provided as threaded section, the gas pipe is threaded in the side of the gas pipe.

[0007] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the side of the connecting pipe is provided with first notch, the side of the gas pipe is provided with second notch, the first notch and the second notch are provided as threaded groove.

[0008] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the side of the connecting pipe is provided with pull ring, the side of the pull ring is provided with clamping nail, the pull ring is connected with the clamping nail by elastic rope.

[0009] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the clamping nail is provided as threaded nail, the clamping nail is inserted into the first notch, and the clamping nail extends into the inside of the second notch, the clamping nail is threaded with the first notch and the second notch.

[0010] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the sealing assembly includes telescopic column and sealing ring, the sealing ring is arranged at the end of the connecting pipe, the telescopic column is connected between the sealing ring and the connecting pipe, the outside of the telescopic column is provided with spring.

[0011] As a kind of gas pressure regulator convenient to install utility model discloses, wherein: the telescopic column includes sliding column and fixed column, the fixed column is connected at the end of the connecting pipe, the sliding column is connected at the side of the sealing ring, the sliding column is sleeved on the outside of the fixed column, and the fixed column is slidingly connected with the sliding column.

[0012] The utility model has the following beneficial effects:

[0013] 1、The gas pressure regulator convenient to install, by setting first notch and second notch, again the clamping nail is threaded in the inside of the first notch and second notch, when installing, the gas pipe is threaded with the connecting pipe, then the clamping nail is inserted into the inside of the first notch, and rotates, by threaded connection and the setting of clamping nail, can ensure that the connection between the gas pipe and the connecting pipe is firm and reliable, prevent the gas leakage or connection rupture caused by loosening, again set pull ring and elastic rope, as far as possible avoid the loss of clamping nail, the gas pipe and connecting pipe connected by threaded groove can be conveniently disassembled and replaced.

[0014] 2. The gas pressure regulator is easy to install, through the sealing assembly, when the gas pipe is screwed with the connecting pipe, the spring can enhance the pressure between the blocking ring and the sealing ring when the clamping is completed, and to a certain extent, improve the sealing effect, further prevent gas leakage, and ensure that the sealing performance of the connection is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic view of the sectional structure of the utility model.

[0017] Figure 3 It is a schematic view of the enlarged structure of A of the utility model.

[0018] Figure 4 It is a schematic view of the sectional structure of the corrugated pipe of the utility model.

[0019] Figure 5 It is a schematic view of the clamping nail structure of the utility model.

[0020] In the figure: 110, pressure regulating valve body; 111, flow regulating and cutting device; 112, pressure regulating device; 120, gas pipe; 121, corrugated pipe; 122, second notch; 130, sealing assembly; 131, telescopic column; 132, sealing ring; 133, spring; 134, sliding column; 135, fixed column; 140, connecting pipe; 141, blocking ring; 142, first notch; 143, pull ring; 144, elastic rope; 145, clamping nail. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one aims to promote the solution of the general use of the gas pressure regulator with threaded installation. Threaded installation is a common installation method, which can install the gas pressure regulator on the gas pipe 120 through threaded connection. However, if the threaded connection is not properly maintained and tightened during the installation process, or is affected by external factors such as vibration during use, it may lead to loose threaded connection, leakage around the gas pressure regulator, gas leakage, and increased risk of fire and explosion. Please refer toFigures 1-5 The gas pressure regulator convenient to install comprises a pressure regulating valve body 110, the pressure regulating valve body 110 comprises a flow regulating and cutting device 111 and a pressure regulating device 112, a connecting pipe 140 is arranged on the side of the pressure regulating valve body 110, a gas pipe 120 is arranged on the side of the connecting pipe 140, the flow regulating and cutting device 111, the pressure regulating device 112 and the gas pipe 120 are arranged in communication, a bellows 121 is arranged at the end of the gas pipe 120, a sealing assembly 130 is arranged in the bellows 121, and a retaining ring 141 is arranged on the side of the connecting pipe 140.

[0023] The end of the gas pipe 120 is arranged as a threaded section, the inner wall of the connecting pipe 140 is arranged as a threaded section, the gas pipe 120 is threadedly connected to the side of the connecting pipe 140, a first notch 142 is formed in the side of the connecting pipe 140, a second notch 122 is formed in the side of the gas pipe 120, the first notch 142 and the second notch 122 are arranged as a threaded groove together, the elastic rebound of the spring 133 can enhance the sealing effect, stabilize the connection and prolong the service life of the parts when the gas pipe 120 is threadedly connected to the connecting pipe 140, thereby improving the reliability and safety of the equipment.

[0024] A pull ring 143 is arranged on the side of the connecting pipe 140, a clamping nail 145 is arranged on the side of the pull ring 143, an elastic rope 144 is connected between the pull ring 143 and the clamping nail 145, the clamping nail 145 is arranged as a threaded nail, the threaded nail penetrates the first notch 142 and extends into the interior of the second notch 122, the threaded nail is threadedly connected with the first notch 142 and the second notch 122, and the gas pipe 120 and the connecting pipe 140 connected by the threaded groove can be conveniently disassembled and replaced. The gas pipe 120 and the connecting pipe 140 can be easily disassembled by only disengaging the connection of the threaded groove, and subsequent maintenance and replacement are facilitated.

[0025] In the embodiment, the first notch 142 and the second notch 122 are arranged, the clamping nail 145 is threadedly connected in the interior of the first notch 142 and the second notch 122, the gas pipe 120 is threadedly connected to the connecting pipe 140 during installation, the clamping nail 145 is inserted into the interior of the first notch 142 and rotated, the connection between the gas pipe 120 and the connecting pipe 140 can be ensured to be firm and reliable through the threaded connection and the arrangement of the clamping nail 145, the gas leakage or connection rupture caused by loosening is prevented, the pull ring 143 and the elastic rope 144 are arranged, and the loss of the clamping nail 145 is avoided as much as possible.

[0026] In the embodiment, the first notch 142 and the second notch 122 are arranged, the clamping nail 145 is threadedly connected in the interior of the first notch 142 and the second notch 122, the gas pipe 120 is threadedly connected to the connecting pipe 140 during installation, the clamping nail 145 is inserted into the interior of the first notch 142 and rotated, the connection between the gas pipe 120 and the connecting pipe 140 can be ensured to be firm and reliable through the threaded connection and the arrangement of the clamping nail 145, the gas leakage or connection rupture caused by loosening is prevented, the pull ring 143 and the elastic rope 144 are arranged, and the loss of the clamping nail 145 is avoided as much as possible. Figures 1-5The sealing assembly 130 comprises a telescopic column 131 and a sealing ring 132, the sealing ring 132 is arranged at the end of the connecting pipe 140, the telescopic column 131 is connected between the sealing ring 132 and the connecting pipe 140, the telescopic column 131 is sleeved with a spring 133 outside, the telescopic column 131 comprises a sliding column 134 and a fixed column 135, the fixed column 135 is connected at the end of the connecting pipe 140, the sliding column 134 is connected at the side of the sealing ring 132, the sliding column 134 is sleeved outside the fixed column 135, the fixed column 135 is slidingly connected with the sliding column 134, the fastening and strength can be improved by setting the clamping nail 145 as a threaded nail and being screwed with the first notch 142 and the second notch 122, and the elasticity of the connection can be adjusted by connecting the elastic rope 144. The design can further enhance the stability of the connection, reduce the risk of loosening and leakage, and improve the reliability and durability of the connecting pipe 140.

[0027] In the embodiment, when the air pipe 120 is screwed with the connecting pipe 140, the sealing ring 132 contacts one end of the blocking ring 141 to extrude the telescopic column 131 and the spring 133, and when the clamping is completed, the spring 133 can enhance the pressure between the blocking ring 141 and the sealing ring 132, improve the sealing effect to a certain extent, further prevent gas leakage, and ensure that the sealing performance of the connection is more reliable.

[0028] It should be noted that the relational terms herein such as first and second and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that any such entity or operation is in any way prior or subsequent in any manner. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] The above description is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. A gas pressure regulator for easy installation, comprising a pressure regulating valve body (110) including a flow regulating and shutting device (111) and a pressure regulating device (112), characterized in that: The connecting pipe (140) is provided with a baffle ring (141) on the side.

2. A gas pressure regulator for easy installation according to claim 1, characterized in that: The end of the air pipe (120) is provided as a threaded section, the inner wall of the connecting pipe (140) is provided as a threaded section, and the air pipe (120) is threadedly connected on the side of the air pipe (120).

3. A gas pressure regulator for easy installation according to claim 1, characterized in that: The side of the connecting pipe (140) is provided with a first notch (142), and the side of the air pipe (120) is provided with a second notch (122).

4. A gas pressure regulator for easy installation according to claim 3, characterized in that: The side of the connecting pipe (140) is provided with a pull ring (143), the side of the pull ring (143) is provided with a clamping nail (145), and the pull ring (143) and the clamping nail (145) are connected by an elastic rope (144).

5. A gas pressure regulator for easy installation according to claim 4, characterized in that: The clamping nail (145) is provided as a threaded nail, the clamping nail (145) penetrates the first notch (142), and the clamping nail (145) extends into the second notch (122), and the clamping nail (145) is threadedly connected with the first notch (142) and the second notch (122).

6. A gas pressure regulator for easy installation according to claim 1, characterized in that: The sealing assembly (130) comprises a telescopic column (131) and a sealing ring (132), the sealing ring (132) is arranged at the end of the connecting pipe (140), the telescopic column (131) is connected between the sealing ring (132) and the connecting pipe (140), and the telescopic column (131) is provided with a spring (133) on the outside.

7. A gas pressure regulator for easy installation according to claim 6, characterized in that: The telescopic column (131) comprises a sliding column (134) and a fixed column (135), the fixed column (135) is connected at the end of the connecting pipe (140), the sliding column (134) is connected at the side of the sealing ring (132), the sliding column (134) is sleeved on the outside of the fixed column (135), and the fixed column (135) is slidably connected with the sliding column (134).

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