Pressure reduction adjusting device for gas conveying pipeline

Abstract

The utility model relates to the technical field of pressure reduction adjusting devices, in particular to a pressure reduction adjusting device for a gas conveying pipeline, which comprises a gas conveying pipeline, the upper end face of the gas conveying pipeline is fixedly connected with a pressure reduction adjusting device main body through bolts and nuts, two top seats are mounted on the outer surface of the gas conveying pipeline, and the rear end faces of the two top seats are respectively clamped with an embedded plate. The two fixing seats are clamped to the two ends of the pressure reduction adjusting device through opposite movement of the two L-shaped threaded supporting plates, then the two positioning bolts are inserted into the fixing seats and the positioning grooves of the pressure reduction adjusting device, and therefore the pressure reduction adjusting device can be positioned again. Therefore, the stability of the pressure reduction adjusting device during installation can be improved, the phenomenon that the pressure reduction adjusting device is prone to loosening and falling off is avoided, and the pressure reduction adjusting device can be adaptively supported by the supporting sliding plate through the elastic force of the connecting spring.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducing regulating devices, in particular to a pressure reducing regulating device for a gas delivery pipeline. Background Art

[0002] A pressure reducing regulating device is a device that utilizes its own structure and characteristics to reduce medium pressure under certain conditions. It automatically opens or releases the medium to achieve the purpose of pressure reduction when the pressure exceeds the device's own tolerance. At the same time, it can also play a protective role in the pipeline system to prevent accidents caused by excessive pressure.

[0003] The prior art discloses patent application number "CN202321688124.4", which is a pressure reducing valve that is easy to install, including a U-shaped plate and a pressure reducing valve body, and also a support plate, a mounting plate is fixed to the bottom surface of the support plate, and both ends of the mounting plate are connected to connecting plates through a rotating shaft. The pressure reducing valve body can be easily installed or disassembled by using a square groove, a limit plate, a screw and a square block.

[0004] The pressure reducing valve can only be installed by a simple clip-on method, which will result in the installation being not stable and reliable enough, and being prone to loosening and falling off, thereby affecting the stability of the pipeline pressure reducing regulating device and being inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a gas transmission pipeline pressure reducing and regulating device to solve the problems raised in the above-mentioned background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A gas transmission pipeline pressure reducing and regulating device comprises a gas transmission pipeline, the upper end surface of the gas transmission pipeline is fixedly connected with a pressure reducing and regulating device body by bolts and nuts, two top seats are installed on the outer surface of the gas transmission pipeline, the rear end surfaces of the two top seats are respectively clamped with embedded plates, the rear end surfaces of the two embedded plates are fixedly installed with U-shaped plates, and the inner side surface of the U-shaped plate is rotatably connected with a bidirectional threaded rotating rod;

[0008] The outer surface of the bidirectional threaded rotating rod is threadedly connected to two L-shaped threaded support plates, the inner sides of the two L-shaped threaded support plates are installed with fixed seats, the upper end faces of the two fixed seats are clamped with positioning pins, the left end face of the bidirectional threaded rotating rod is fixedly connected to the servo motor through the motor mounting plate, and the inner side face of the U-shaped plate is connected to two limiting cross bars for guiding the L-shaped threaded support plates.

[0009] Preferably, both ends of the two top seats are slidably clamped with positioning plates for fixing the embedded plates, the upper end surfaces of the two positioning plates are threadedly connected with fastening bolts, the lower sides of the fastening bolts penetrate the positioning plates and extend to the upper end surfaces of the embedded plates, and one side of the two top seats is slidably clamped with plug posts, one side of the plug posts penetrates the embedded plates and extends to the other side of the top seats.

[0010] Preferably, both ends of the gas pipeline are fixedly connected with L-shaped side plates, and the inner sides of the two L-shaped side plates are slidably connected with supporting slides, one side of the supporting slides penetrates the L-shaped side plates and extends to one side of the L-shaped side plates, and two connecting springs are connected between the two supporting slides and the L-shaped side plates, one side of the connecting spring is connected to the inner side of the L-shaped side plate, and the other side of the connecting spring is connected to one side of the supporting slide, and both sides of the two L-shaped side plates are fixedly installed with reinforcement blocks for reinforcing the L-shaped side plates.

[0011] Preferably, the upper end surfaces of the two L-shaped side plates are connected to a first mounting seat, and the interiors of the two first mounting seats are respectively rotatably connected with movable connecting plates, and second mounting seats are installed at both ends of the main body of the pressure reducing regulating device, and the right end surfaces of the two second mounting seats are slidably clamped with threaded rods, one side of the threaded rod passes through the movable connecting plate and extends to the left end surface of the second mounting seat, and the outer surfaces of the two threaded rods are respectively threadedly connected with limiting nuts.

[0012] Preferably, the left side of the bidirectional threaded rotating rod passes through the U-shaped plate and extends to the left end surface of the U-shaped plate, and the lower side of the positioning pin passes through the fixing seat and extends to the lower end surface of the fixing seat.

[0013] Preferably, two through positioning grooves are provided on both sides of the main body of the pressure reducing regulating device, the positioning grooves are adapted to the positioning pins, and the outer surfaces of the positioning pins are snap-fitted to the two sides of the main body of the pressure reducing regulating device through the positioning grooves.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model allows two fixing seats to engage with the two ends of the pressure reducing regulating device by moving two L-shaped threaded support plates toward each other, and then inserts two positioning pins into the positioning grooves of the fixing seats and the pressure reducing regulating device to reposition the pressure reducing regulating device, thereby increasing the stability of the pressure reducing regulating device during installation and preventing it from being easily loosened and falling off;

[0016] 2. The utility model utilizes the elastic force of the connecting spring to allow the supporting slide plate to adaptively support the pressure reducing adjusting device. At the same time, the assembly of the two movable connecting plates can firmly connect the L-shaped side plate and the pressure reducing adjusting device together, so that the pressure reducing adjusting device can be used safely and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Installation diagram of the middle mounting plate, embedded plate and U-shaped plate;

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the structure of the middle L-shaped threaded support plate, the fixing seat and the positioning pin;

[0021] Figure 4 This utility model Figure 1 A schematic diagram of the structure of the middle supporting slide plate and the movable connecting plate;

[0022] The reference numerals in the figures are as follows:

[0023] 1. Gas pipeline; 2. Pressure reducing regulating device body; 3. Top seat; 4. Embedded plate; 5. U-shaped plate; 6. Two-way threaded rotating rod; 7. L-shaped threaded support plate; 8. Fixed seat; 9. Positioning pin; 10. Servo motor; 11. Limiting cross bar; 12. Positioning plate; 13. Fastening bolt; 14. Insert column; 15. L-shaped side plate; 16. Support slide plate; 17. Connecting spring; 18. Reinforcement block; 19. First mounting seat; 20. Active connecting plate; 21. Second mounting seat; 22. Threaded insert rod; 23. Limiting nut; 24. Positioning groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 4 As shown, a gas pipeline pressure reducing and regulating device comprises a gas pipeline 1, the upper end surface of the gas pipeline 1 is fixedly connected with a pressure reducing and regulating device body 2 by bolts and nuts, two top seats 3 are installed on the outer surface of the gas pipeline 1, and the rear end surfaces of the two top seats 3 are respectively clamped with embedded plates 4, and the rear end surfaces of the two embedded plates 4 are fixedly installed with U-shaped plates 5, and the inner side surface of the U-shaped plate 5 is rotatably connected with a bidirectional threaded rotating rod 6;

[0026] The outer surface of the bidirectional threaded rotating rod 6 is threadedly connected to two L-shaped threaded support plates 7, and the inner side surfaces of the two L-shaped threaded support plates 7 are installed with fixing seats 8. The upper end surfaces of the two fixing seats 8 are clamped with positioning pins 9. The left end surface of the bidirectional threaded rotating rod 6 is fixedly connected to a servo motor 10 through a motor mounting plate, and the inner side surface of the U-shaped plate 5 is connected to two limiting cross bars 11 for guiding the L-shaped threaded support plates 7. Through the setting of the limiting cross bars 11, the two limiting cross bars 11 can be used to limit the moving trajectory of the two L-shaped threaded support plates 7, so that the two L-shaped threaded support plates 7 can move back and forth smoothly, so as to fix the pressure reducing adjustment device.

[0027] Both ends of the two top seats 3 are slidably connected with positioning plates 12 for fixing the embedded plate 4, and the upper end surfaces of the two positioning plates 12 are threadedly connected with fastening bolts 13. Through the setting of the fastening bolts 13, the positioning plates 12 and the embedded plate 4 can be fixed by using the fastening bolts 13, so that the entire U-shaped plate 5 can be assembled, which is convenient for reinforcing the installation of the pressure reducing regulating device. The lower side of the fastening bolts 13 passes through the positioning plate 12 and extends to the upper end surface of the embedded plate 4. One side of the two top seats 3 is slidably connected with a plug column 14, and one side of the plug column 14 passes through the embedded plate 4 and extends to the other side of the top seat 3.

[0028] Both ends of the gas pipeline 1 are fixedly connected with L-shaped side panels 15, and the inner sides of the two L-shaped side panels 15 are slidably connected with supporting slides 16, one side of the supporting slides 16 penetrates the L-shaped side panels 15 and extends to one side of the L-shaped side panels 15, and two connecting springs 17 are connected between the two supporting slides 16 and the L-shaped side panels 15, one side of the connecting spring 17 is connected to the inner side of the L-shaped side panel 15, and the other side of the connecting spring 17 is connected to one side of the supporting slide 16, and both sides of the two L-shaped side panels 15 are fixedly installed with reinforcing blocks 18 for reinforcing the L-shaped side panels 15. Through the setting of the reinforcing blocks 18, the two L-shaped side panels 15 can be tightly installed on the gas pipeline 1 using the reinforcing blocks 18, thereby ensuring the stability of the pressure reducing regulating device and being easy to use.

[0029] The upper end surfaces of the two L-shaped side panels 15 are connected to the first mounting seats 19, and the interiors of the two first mounting seats 19 are respectively rotatably connected with movable connecting plates 20. Second mounting seats 21 are installed at both ends of the pressure reducing regulating device body 2, and the right end surfaces of the two second mounting seats 21 are slidably clamped with threaded rods 22. One side of the threaded rod 22 passes through the movable connecting plate 20 and extends to the left end surface of the second mounting seat 21. The outer surfaces of the two threaded rods 22 are respectively threadedly connected with limiting nuts 23.

[0030] The left side of the bidirectional threaded rotating rod 6 penetrates the U-shaped plate 5 and extends to the left end surface of the U-shaped plate 5 , and the lower side of the positioning pin 9 penetrates the fixing seat 8 and extends to the lower end of the fixing seat 8 .

[0031] Two through positioning grooves 24 are provided on both sides of the main body 2 of the pressure reducing regulating device. The positioning grooves 24 are adapted to the positioning pins 9 . The outer surfaces of the positioning pins 9 are connected to the two sides of the main body 2 of the pressure reducing regulating device through the positioning grooves 24 .

[0032] The working principle of the gas transmission pipeline pressure reducing and regulating device provided by the utility model is as follows:

[0033] By clamping the two embedded plates 4 into the inside of the two top seats 3, and then inserting the positioning plate 12 and the plug post 14 into the top seat 3 and the embedded plate 4, so as to drive the U-shaped plates 5 at the two embedded plates 4 to be installed on the gas pipeline 1, then start the servo motor 10, the output shaft of the servo motor 10 can drive the two-way threaded rotating rod 6 to rotate, so that the two L-shaped threaded support plates 7 on the two-way threaded rotating rod 6 can move toward each other, so that the fixing seats 8 at the two L-shaped threaded support plates 7 can be clamped to the two ends of the pressure reducing regulating device body 2, at this time, the two fixing seats 8 can be clamped on the limit pressure reducing regulating device body 2, and then the two positioning pins 9 are inserted into the fixing seats 8 and the positioning grooves 24 of the pressure reducing regulating device body 2, so as to re-position the pressure reducing regulating device body 2, thereby increasing the stability of the pressure reducing regulating device during installation and preventing it from being easily loosened and falling off;

[0034] By installing two supporting slides 16 with connecting springs 17 at the two L-shaped side panels 15, the two supporting slides 16 can be installed at the two ends of the pressure reducing regulating device body 2. At this time, the elastic force of the connecting springs 17 can be used to allow the supporting slides 16 to adaptively support the pressure reducing regulating device body 2, making the pressure reducing regulating device more stable and reliable to use. Then, the movable connecting plate 20 at the first mounting seat 19 is rotated to the inside of the second mounting seat 21, and then the threaded rod 22 is inserted into the second mounting seat 21 and the movable connecting plate 20. Then, the threaded rod 22 is fixed by the limiting nut 23, so that the movable connecting plate 20 can firmly connect the L-shaped side panel 15 and the pressure reducing regulating device body 2 together, so that the pressure reducing regulating device can be used safely and stably.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gas transmission pipeline pressure reducing and regulating device, comprising a gas transmission pipeline (1), Features: The upper end surface of the gas pipeline (1) is fixedly connected to a pressure reducing regulating device body (2) by means of bolts and nuts; two top seats (3) are installed on the outer surface of the gas pipeline (1); the rear end surfaces of the two top seats (3) are respectively clamped with embedded plates (4); the rear end surfaces of the two embedded plates (4) are fixedly installed with U-shaped plates (5); the inner side surface of the U-shaped plate (5) is rotatably connected to a bidirectional threaded rotating rod (6); The outer surface of the bidirectional threaded rotating rod (6) is threadedly connected to two L-shaped threaded support plates (7), the inner side surfaces of the two L-shaped threaded support plates (7) are both installed with fixing seats (8), the upper end surfaces of the two fixing seats (8) are both clamped with positioning pins (9), the left end surface of the bidirectional threaded rotating rod (6) is fixedly connected to a servo motor (10) via a motor mounting plate, and the inner side surface of the U-shaped plate (5) is connected to two limiting cross bars (11) for guiding the L-shaped threaded support plates (7).

2. A gas transmission pipeline pressure reducing and regulating device according to claim 1, It is characterized in that Both ends of the two top seats (3) are slidably clamped with positioning plates (12) for fixing the embedded plate (4), the upper end surfaces of the two positioning plates (12) are threadedly connected with fastening bolts (13), the lower side of the fastening bolts (13) passes through the positioning plates (12) and extends to the upper end surface of the embedded plate (4), and one side of the two top seats (3) is slidably clamped with an insertion column (14), one side of the insertion column (14) passes through the embedded plate (4) and extends to the other side of the top seat (3).

3. A gas transmission pipeline pressure reducing and regulating device according to claim 1, It is characterized in that Both ends of the gas transmission pipeline (1) are fixedly connected to L-shaped side plates (15), and the inner side surfaces of the two L-shaped side plates (15) are slidably connected to supporting slide plates (16), one side of the supporting slide plates (16) passes through the L-shaped side plates (15) and extends to one side of the L-shaped side plates (15), and two connecting springs (17) are connected between the two supporting slide plates (16) and the L-shaped side plates (15), one side of the connecting spring (17) is connected to the inner side surface of the L-shaped side plate (15), and the other side of the connecting spring (17) is connected to one side of the supporting slide plate (16), and both sides of the two L-shaped side plates (15) are fixedly installed with reinforcing blocks (18) for reinforcing the L-shaped side plates (15).

4. A gas transmission pipeline pressure reducing and regulating device according to claim 3, It is characterized in that The upper end surfaces of the two L-shaped side plates (15) are connected to a first mounting seat (19), and the interiors of the two first mounting seats (19) are rotatably connected to movable connecting plates (20). Second mounting seats (21) are installed at both ends of the pressure reducing regulating device body (2), and the right end surfaces of the two second mounting seats (21) are slidably connected to threaded rods (22), one side of the threaded rod (22) passes through the movable connecting plate (20) and extends to the left end surface of the second mounting seat (21), and the outer surfaces of the two threaded rods (22) are respectively threadedly connected to limit nuts (23).

5. A gas transmission pipeline pressure reducing and regulating device according to claim 1, It is characterized in that The left side of the bidirectional threaded rotating rod (6) penetrates the U-shaped plate (5) and extends to the left end surface of the U-shaped plate (5), and the lower side of the positioning pin (9) penetrates the fixing seat (8) and extends to the lower end of the fixing seat (8).

6. A gas transmission pipeline pressure reducing and regulating device according to claim 1, It is characterized in that Two through positioning grooves (24) are provided on both sides of the main body (2) of the pressure reducing regulating device, the positioning grooves (24) are adapted to the positioning pins (9), and the outer surfaces of the positioning pins (9) are clamped with the two sides of the main body (2) of the pressure reducing regulating device through the positioning grooves (24).

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