Natural gas throttling device convenient to overhaul

Abstract

The utility model provides a natural gas throttling device convenient to overhaul, which relates to the technical field of throttling devices, and comprises a shell main body, a throttling mechanism is movably embedded on the inner surface wall of the shell main body, an adjusting mechanism is movably inserted in the throttling mechanism, the shell main body comprises a lower shell, and four sliding grooves are formed in the lower shell. Four telescopic spring rods are fixedly connected to the interior of the lower shell, and clamping blocks are fixedly connected to one sides of the outer walls of the four telescopic spring rods. According to the device, the throttling valve communicates with the natural gas output end and the equipment input end to achieve installation and use, the throttling device is installed in the shell body, when natural gas leaks, the shell body can be disassembled conveniently, workers can overhaul internal equipment conveniently, operation is convenient, and the working efficiency is improved. And the use stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of throttling devices, in particular to a natural gas throttling device which is convenient for maintenance. Background Art

[0002] The main components of natural gas are alkanes, of which methane accounts for the vast majority, with small amounts of ethane, propane and butane. In addition, there are generally hydrogen sulfide, carbon dioxide, nitrogen and water vapor, a small amount of carbon monoxide and trace amounts of rare gases such as helium and argon. Before natural gas is delivered to end users, in order to assist in leak detection, thiols, tetrahydrothiophene, etc. are used to add odor to the natural gas.

[0003] Most common natural gas throttling devices are cover-type throttling devices, in which the cover and the cylinder are fixedly connected by bolt threads. This fixing method requires the use of corresponding tools (such as wrenches) when installing and disassembling the cover, making the disassembly and assembly operations inconvenient. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that when the above-mentioned equipment is in use, it is inconvenient to disassemble the equipment, which leads to inconvenience in equipment maintenance, and to propose a natural gas throttling device that is easy to maintain.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a natural gas throttling device that is easy to maintain, comprising a shell body, a throttling mechanism is movably embedded in the inner surface wall of the shell body, and an adjusting mechanism is movably inserted inside the throttling mechanism;

[0006] The shell body includes a lower shell body, four sliding grooves are opened inside the lower shell body, four telescopic spring rods are fixedly connected to the inside of the lower shell body, one side of the outer wall of the four telescopic spring rods is fixedly connected to a clamping block, the inner surface walls of the four sliding grooves are slidably embedded with telescopic plates through sliders, one side of the outer wall of the four telescopic plates is opened with a clamping groove, and the outer surface walls of the four clamping blocks are movably inserted in the inside of the clamping groove, an upper shell body is fixedly connected between the tops of the four telescopic plates, and the outer surface walls of the lower shell body and the upper shell body are opened with a group of clamping grooves.

[0007] Preferably, the throttling mechanism comprises a throttle valve, an outer wall of the throttle valve is provided with an adjustment hole, and the outer wall of the throttle valve is fixedly connected with two sets of clamping plates.

[0008] Preferably, the outer wall of the throttle valve is fixedly connected to two flanges A, the inner walls of the two flanges A are provided with sealing grooves, the inner walls of the two sealing grooves are movably inserted with sealing rings, one side of the outer walls of the two sealing rings is in contact with flange B, and the two flanges A are connected to flange B through a connecting assembly.

[0009] Preferably, the adjustment mechanism comprises a control rod, a mounting groove is formed on the top of the control rod, and a sealing plate is fixedly sleeved on the bottom of the control rod.

[0010] Preferably, a mounting ring is provided on the fixed sleeve of the outer surface wall of the sealing plate, a locking rod is movably inserted into the inner surface wall of the mounting groove, and a control disk is provided on the fixed sleeve on the top of the locking rod.

[0011] Preferably, the outer walls of the two groups of the engaging plates are movably inserted into the engaging grooves, the top of the control panel is connected to the top of the upper shell, and the outer walls of the control rod are movably inserted into the adjusting hole.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] In the utility model, with the cooperation of the shell body and the throttling mechanism, the device is installed and used by connecting the throttle valve to the output end of the natural gas and the input end of the equipment respectively, and by installing the throttling device inside the shell body, when natural gas leakage occurs, it is convenient to disassemble the shell body so that the staff can inspect and repair the internal equipment, the operation is convenient, and the stability of the equipment during use is ensured.

[0014] In the utility model, the size of natural gas can be adjusted by manually rotating the control disk in cooperation with the regulating mechanism, and the throttling of natural gas is also convenient for the maintenance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a main structural stereogram of a natural gas throttling device that is convenient for maintenance;

[0016] Figure 2 The utility model provides a cutaway stereoscopic split diagram of the shell body in a natural gas throttling device that is convenient for maintenance;

[0017] Figure 3 The utility model provides a sectional three-dimensional disassembled diagram of a throttling mechanism in a natural gas throttling device which is convenient for maintenance;

[0018] Figure 4 The utility model provides a three-dimensional disassembled diagram of an adjusting mechanism in a natural gas throttling device which is convenient for maintenance.

[0019] Legend:

[0020] 1. Shell body; 101. Lower shell; 102. Sliding slot; 103. Telescopic spring rod; 104. Block; 105. Telescopic plate; 106. Slot; 107. Upper shell; 108. Engaging slot;

[0021] 2. Throttle mechanism; 201. Throttle valve; 202. Adjustment hole; 203. Clamping plate; 204. Flange A; 205. Sealing groove; 206. Sealing ring; 207. Flange B; 208. Connecting assembly;

[0022] 3. Adjustment mechanism; 301. Control rod; 302. Mounting groove; 303. Sealing plate; 304. Mounting ring; 305. Locking rod; 306. Control panel. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model is a natural gas throttling device which is convenient for maintenance, comprising a shell body 1, a throttling mechanism 2 is movably embedded in the inner surface wall of the shell body 1, and an adjusting mechanism 3 is movably inserted inside the throttling mechanism 2;

[0026] The shell body 1 includes a lower shell 101, four sliding grooves 102 are opened inside the lower shell 101, four telescopic spring rods 103 are fixedly connected to the inside of the lower shell 101, and one side of the outer wall of the four telescopic spring rods 103 is fixedly connected to a clamping block 104, the inner wall of the four sliding grooves 102 is slidably embedded with a telescopic plate 105 through a slider, one side of the outer wall of the four telescopic plates 105 is opened with a clamping groove 106, and the outer wall of the four clamping blocks 104 is movably inserted in the inner part of the clamping groove 106, an upper shell 107 is fixedly connected between the tops of the four telescopic plates 105, and the outer walls of the lower shell 101 and the upper shell 107 are opened with a group of locking grooves 108.

[0027] The effect achieved by the entire embodiment 1 is that, first, the four telescopic plates 105 can be telescoped up and down inside the sliding groove 102 under the action of the slider. When the telescopic plates 105 are maintained in a suitable state of being fully embedded in the sliding groove 102, the four clamping blocks 104 can be kept movably embedded in the clamping groove 106 respectively. Through this mutual engagement, the connection between the lower shell 101 and the upper shell 107 can be achieved, and the throttling mechanism 2 can be firmly engaged therein.

[0028] Embodiment 2, as Figure 2-Figure 4 As shown, the throttling mechanism 2 includes a throttle valve 201, an outer wall of the throttle valve 201 is provided with an adjusting hole 202, the outer wall of the throttle valve 201 is fixedly connected with two sets of clamping plates 203, the outer wall of the throttle valve 201 is fixedly connected with two flanges A204, the inner walls of the two flanges A204 are provided with sealing grooves 205, the inner walls of the two sealing grooves 205 are movably inserted with sealing rings 206, one side of the outer wall of the two sealing rings 206 is in contact with a flange B207, and the two flanges A204 are connected to the flange B207 through a connecting assembly 208, and the adjusting The mechanism 3 includes a control rod 301, a mounting groove 302 is provided on the top of the control rod 301, a sealing plate 303 is fixedly sleeved on the bottom of the control rod 301, a mounting ring 304 is fixedly sleeved on the outer wall of the sealing plate 303, a locking rod 305 is movably inserted on the inner wall of the mounting groove 302, a control disk 306 is fixedly sleeved on the top of the locking rod 305, the outer walls of the two sets of engaging plates 203 are movably inserted in the inner part of the engaging groove 108, the top of the control disk 306 is connected to the top of the upper shell 107, and the outer walls of the control rod 301 are movably inserted in the inner part of the adjusting hole 202.

[0029] The effect achieved by the entire embodiment 2 is that, first, the two sets of snap plates 203 can be movably embedded in the snap grooves 108, so that the throttling mechanism 2 can be firmly fixed inside the shell body 1, and when the two sealing rings 206 can be movably embedded in the sealing grooves 205, the sealing of the throttle valve 201 after being connected to the two flanges B207 is maintained.

[0030] Working principle: First, two sets of snap plates 203 are movably embedded in the snap grooves 108, so that the throttling mechanism 2 can be firmly fixed in the shell body 1, and then two sealing rings 206 are movably inserted in the sealing grooves 205, so that the connection between the throttle valve 201 and the two flanges B207 can be realized, and the two flanges A204 and the flanges B207 can be connected through the connecting components 208, and then the upper shell 107 moves downward, and the four telescopic plates 105 are kept under the action of the slider, so that the throttle mechanism 2 can be firmly fixed in the shell body 1. The interior of the movable groove 102 is extended and retracted up and down. When the retractable plate 105 is maintained in a suitable state of being fully embedded in the sliding groove 102, the four clamping blocks 104 can be kept movably embedded in the interior of the clamping groove 106. Through this mutual engagement, the connection between the lower shell 101 and the upper shell 107 can be achieved, and the throttling mechanism 2 can be firmly engaged therein. When natural gas leakage occurs, it is convenient to disassemble the outer shell body 1 so that the staff can inspect and repair the internal equipment. The operation is convenient to ensure the stability of the equipment during use.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A natural gas throttling device that is easy to maintain, characterized in that: It comprises a shell body (1), a throttling mechanism (2) being movably embedded in the inner surface wall of the shell body (1), and an adjusting mechanism (3) being movably inserted inside the throttling mechanism (2); The housing body (1) comprises a lower shell (101), the interior of the lower shell (101) is provided with four sliding grooves (102), the interior of the lower shell (101) is fixedly connected with four telescopic spring rods (103), one side of the outer wall of the four telescopic spring rods (103) is fixedly connected with a clamping block (104), the inner surface walls of the four sliding grooves (102) are slidably embedded with a telescopic plate (105) through a slider, one side of the outer wall of the four telescopic plates (105) is provided with a clamping groove (106), and the outer surface walls of the four clamping blocks (104) are movably inserted into the inner surface walls of the four telescopic plates (105), an upper shell (107) is fixedly connected between the tops of the four telescopic plates (105), and the outer surface walls of the lower shell (101) and the upper shell (107) are provided with a group of locking grooves (108).

2. A natural gas throttling device that is easy to maintain according to claim 1, characterized in that: The throttling mechanism (2) comprises a throttling valve (201), an outer wall of the throttling valve (201) is provided with an adjustment hole (202), and the outer wall of the throttling valve (201) is fixedly connected with two sets of clamping plates (203).

3. A natural gas throttling device that is easy to maintain according to claim 2, characterized in that: The outer wall of the throttle valve (201) is fixedly connected to two flanges A (204), the inner walls of the two flanges A (204) are provided with sealing grooves (205), the inner walls of the two sealing grooves (205) are movably inserted with sealing rings (206), one side of the outer walls of the two sealing rings (206) are in contact with flanges B (207), and the two flanges A (204) are connected to flanges B (207) via a connecting assembly (208).

4. A natural gas throttling device that is easy to maintain according to claim 3, characterized in that: The adjustment mechanism (3) comprises a control rod (301), a mounting groove (302) is provided on the top of the control rod (301), and a sealing plate (303) is fixedly sleeved on the bottom of the control rod (301).

5. A natural gas throttling device that is easy to maintain according to claim 4, characterized in that: The outer surface wall of the sealing plate (303) is fixedly sleeved with a mounting ring (304), the inner surface wall of the mounting groove (302) is movably inserted with a locking rod (305), and the top of the locking rod (305) is fixedly sleeved with a control disk (306).

6. A natural gas throttling device that is easy to maintain according to claim 5, characterized in that: The outer walls of the two sets of the locking plates (203) are movably inserted into the locking grooves (108), the top of the control panel (306) is connected to the top of the upper shell (107), and the outer walls of the control rod (301) are movably inserted into the adjustment hole (202).

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