Bottled liquefied petroleum gas pressure regulator

Abstract

The bottled liquefied petroleum gas pressure regulator comprises a lower valve seat, an upper valve seat is arranged at the top end of the lower valve seat in a clamped mode, an annular installation seat is fixedly arranged at the top of the inner side of the lower valve seat, an annular clamping groove is formed in the bottom of the inner side of the annular installation seat, and an annular clamping seat is arranged in the annular clamping groove in a clamped mode. According to the bottled liquefied petroleum gas pressure regulator, the annular clamping groove and the annular clamping base are clamped in a limiting mode, so that the mounting ring is preliminarily limited, the two limiting blocks are clamped with the two limiting grooves under the action of the supporting springs, then the mounting ring is further limited, and therefore the rubber diaphragm is limited and fixed; the two limiting blocks are driven to slide by sliding the two sliding rods, so that the two limiting blocks are contracted into the two mounting grooves correspondingly and are separated from the two limiting grooves, the mounting ring is not limited any more, and therefore the mounting ring and the rubber diaphragm can be detached and replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the field of petroleum gas pressure regulators, in particular to a bottled liquefied petroleum gas pressure regulator. Background Art

[0002] The operation of the LPG pressure regulator is controlled by the pressure behind the valve. When the pressure sensor detects that the valve pressure indication increases, the opening of the pressure reducing valve decreases; when the pressure behind the pressure reducing valve decreases, the opening of the pressure reducing valve increases to meet the control requirements. However, the existing LPG pressure regulator is not convenient for quick disassembly and replacement of the rubber diaphragm during use, which affects the disassembly and assembly efficiency.

[0003] In order to solve the above problems, a bottled liquefied petroleum gas pressure regulator is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a bottled liquefied petroleum gas pressure regulator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bottled liquefied petroleum gas pressure regulator comprises a lower valve seat, an upper valve seat is clamped on the top of the lower valve seat, an annular mounting seat is fixedly arranged on the top of the inner side of the lower valve seat, an annular clamping groove is provided at the bottom of the inner side of the annular mounting seat, an annular clamping seat is clamped inside the annular clamping groove, a mounting ring is fixedly arranged on the top of the annular clamping seat, mounting grooves are provided on both sides of the inner wall of the annular mounting seat, a plurality of support springs are fixedly arranged inside the two mounting grooves, a limiting block is fixedly arranged on one end away from the inner side of the mounting groove between the plurality of support springs on the same side, limiting grooves are provided on both sides of the mounting ring, a rubber diaphragm is fixedly arranged on the inner side of the mounting ring, a fixing seat is fixedly arranged in the middle of the rubber diaphragm, an L-shaped connecting rod is rotatably arranged on the bottom end of the fixing seat, rotating seats are fixedly arranged on both sides of the bottom end of the inner wall of the lower valve seat, and the rotating seat is rotatably connected to the L-shaped connecting rod.

[0006] The limiting engagement of the annular slot and the annular slot seat facilitates the initial limiting of the mounting ring, and the two limiting blocks respectively engage with the two limiting slots under the action of a number of supporting springs to further limit the mounting ring, thereby limiting and fixing the rubber diaphragm, and sliding the two sliding rods to drive the two limiting blocks to slide, so that the two limiting blocks are respectively retracted into the two mounting slots, so that they are separated from the two limiting slots and the mounting ring is no longer limited, thereby facilitating the disassembly and replacement of the mounting ring and the rubber diaphragm.

[0007] Preferably, a threaded seat is fixedly provided in the middle part of the top end of the upper valve seat, an adjusting screw is provided on the internal thread of the threaded seat, a reset spring is fixedly connected to the bottom end of the adjusting screw, and the bottom end of the reset spring is fixedly connected to the fixed seat. The setting of the reset spring facilitates the resetting of the fixed seat and the rubber diaphragm.

[0008] Preferably, an air outlet pipe and an air inlet pipe are fixedly connected to both sides of the lower valve seat, a piston rod is inserted into the interior of the air inlet pipe, and the L-shaped connecting rod is arranged corresponding to the piston rod, and the piston rod is pushed to move by the arrangement of the L-shaped connecting rod.

[0009] Preferably, an air inlet nozzle is provided at one end of the air inlet pipe away from the lower valve seat, and an air-blocking plug is fixedly connected to one end of the piston rod. The air-blocking plug is arranged corresponding to the air inlet nozzle, and the arrangement of the air-blocking plug facilitates sealing of the air inlet nozzle.

[0010] Preferably, the two limit blocks are respectively arranged corresponding to the two limit grooves, and a sealing gasket is fixedly connected to the bottom end of the mounting ring, which can play a sealing role through the arrangement of the sealing gasket.

[0011] Preferably, a sliding groove is provided at the top of the inner side of the two installation grooves, and a sliding rod is fixedly provided at the top of the two limit blocks. The two sliding grooves are slidably connected to the two sliding rods respectively. By sliding the two sliding rods, the two limit blocks are driven to slide, so that the two limit blocks are respectively retracted into the two installation grooves, so that they are separated from the two limit grooves and the installation ring is no longer limited, thereby facilitating the disassembly and replacement of the installation ring and the rubber diaphragm.

[0012] Preferably, a plurality of fixing bolts are threadedly provided at the connection between the lower valve seat and the upper valve seat, and the provision of the plurality of fixing bolts facilitates a stable connection between the lower valve seat and the upper valve seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The limiting engagement of the annular slot and the annular slot seat facilitates the initial limiting of the mounting ring, and the two limiting blocks respectively engage with the two limiting slots under the action of a number of supporting springs to further limit the mounting ring, thereby limiting and fixing the rubber diaphragm, and sliding the two sliding rods to drive the two limiting blocks to slide, so that the two limiting blocks are respectively retracted into the two mounting slots, so that they are separated from the two limiting slots and the mounting ring is no longer limited, thereby facilitating the disassembly and replacement of the mounting ring and the rubber diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2It is a front cross-sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of part A of the utility model;

[0018] Figure 4 It is an enlarged view of part B of the utility model.

[0019] In the figure: 1. lower valve seat; 2. upper valve seat; 3. annular mounting seat; 4. mounting ring; 5. rubber diaphragm; 6. fixed seat; 7. L-shaped connecting rod; 8. rotating seat; 9. air inlet pipe; 10. air outlet pipe; 11. fixing bolt; 12. threaded seat; 13. adjusting screw; 14. return spring; 15. annular groove; 16. annular seat; 17. sealing gasket; 18. mounting groove; 19. supporting spring; 20. limit block; 21. limit groove; 22. slide groove; 23. slide rod; 24. piston rod; 25. air shut-off plug; 26. air inlet nozzle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4 The utility model provides a bottled liquefied petroleum gas pressure regulator, comprising a lower valve seat 1, an upper valve seat 2 is clamped on the top of the lower valve seat 1, an annular mounting seat 3 is fixedly arranged on the top of the inner side of the lower valve seat 1, an annular clamping groove 15 is provided at the bottom of the inner side of the annular mounting seat 3, an annular clamping seat 16 is clamped inside the annular clamping groove 15, a mounting ring 4 is fixedly arranged on the top of the annular clamping seat 16, mounting grooves 18 are provided on both sides of the inner wall of the annular mounting seat 3, a plurality of supporting springs 19 are fixedly arranged inside the two mounting grooves 18, a limiting block 20 is fixedly arranged at one end away from the inner side of the mounting groove 18 between the plurality of supporting springs 19 on the same side, limiting grooves 21 are provided on both sides of the mounting ring 4, a rubber diaphragm 5 is fixedly arranged on the inner side of the mounting ring 4, and the middle part of the rubber diaphragm 5 is fixedly arranged. A fixed seat 6 is provided, and an L-shaped connecting rod 7 is rotatably provided at the bottom end of the fixed seat 6. Rotating seats 8 are fixedly provided on both sides of the bottom end of the inner wall of the lower valve seat 1, and the rotating seat 8 is rotatably connected to the L-shaped connecting rod 7. The limiting engagement of the annular groove 15 and the annular seat 16 facilitates the preliminary limiting of the mounting ring 4, and the two limiting blocks 20 are respectively engaged with the two limiting grooves 21 under the action of a number of supporting springs 19, thereby further limiting the mounting ring 4, thereby limiting and fixing the rubber diaphragm 5, and sliding the two sliding rods 23 to drive the two limiting blocks 20 to slide, so that the two limiting blocks 20 are respectively retracted into the two mounting grooves 18, so that they are separated from the two limiting grooves 21, and the mounting ring 4 is no longer limited, thereby facilitating the disassembly and replacement of the mounting ring 4 and the rubber diaphragm 5.

[0022] A threaded seat 12 is fixedly provided in the middle of the top of the upper valve seat 2, and an adjusting screw 13 is provided on the internal thread of the threaded seat 12. A reset spring 14 is fixedly connected to the bottom end of the adjusting screw 13, and the bottom end of the reset spring 14 is fixedly connected to the fixed seat 6. The two sides of the lower valve seat 1 are respectively fixedly connected with the outlet pipe 10 and the inlet pipe 9, and a piston rod 24 is inserted into the interior of the inlet pipe 9. The L-shaped connecting rod 7 is correspondingly provided with the piston rod 24. An inlet nozzle 26 is provided at one end of the inlet pipe 9 away from the lower valve seat 1, and an air-blocking plug 25 is fixedly connected to one end of the piston rod 24. The air-blocking plug 25 and the air-blocking plug 25 are correspondingly provided;

[0023] When in use, the reset spring 14 is provided to facilitate the reset of the fixing seat 6 and the rubber diaphragm 5, the L-shaped connecting rod 7 is provided to push the piston rod 24 to move, and the air-blocking plug 25 is provided to facilitate the sealing of the air inlet nozzle 26;

[0024] The two limit blocks 20 are respectively arranged corresponding to the two limit grooves 21, the bottom end of the mounting ring 4 is fixedly connected with a sealing gasket 17, the top of the inner side of the two mounting grooves 18 is provided with a slide groove 22, the top of the two limit blocks 20 is fixedly provided with a slide rod 23, the two slide grooves 22 are respectively slidably connected with the two slide rods 23, and a plurality of fixing bolts 11 are threadedly arranged at the connection between the lower valve seat 1 and the upper valve seat 2;

[0025] When in use, the sealing gasket 17 can play a sealing role. By sliding the two sliding rods 23, the two limit blocks 20 are driven to slide, so that the two limit blocks 20 are respectively retracted into the two installation grooves 18, so that they are separated from the two limit grooves 21, and the installation ring 4 is no longer limited, so that the installation ring 4 and the rubber diaphragm 5 can be disassembled and replaced conveniently. The lower valve seat 1 and the upper valve seat 2 can be firmly connected by the setting of several fixing bolts 11.

[0026] When the embodiment of the present application is in use: when the internal pressure of the lower valve seat 1 becomes higher, the rubber diaphragm 5 will bulge upward, thereby driving the fixed seat 6 to move upward, causing the L-shaped connecting rod 7 to rotate, thereby pushing the piston rod 24, causing the air-blocking plug 25 to contact the air inlet nozzle 26, thereby reducing the air intake amount and achieving a pressure regulating effect. Among them, the limiting engagement of the annular groove 15 and the annular seat 16 facilitates the initial limiting of the mounting ring 4, and the two limiting blocks 20 are respectively engaged with the two limiting grooves 21 under the action of a number of supporting springs 19, thereby further limiting the mounting ring 4, thereby limiting and fixing the rubber diaphragm 5, and sliding the two sliding rods 23, thereby driving the two limiting blocks 20 to slide, so that the two limiting blocks 20 are respectively retracted into the two mounting grooves 18, so that they are separated from the two limiting grooves 21, and the mounting ring 4 is no longer limited, thereby facilitating the disassembly and replacement of the mounting ring 4 and the rubber diaphragm 5.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bottled liquefied petroleum gas pressure regulator, comprising a lower valve seat (1), characterized in that: The top end of the lower valve seat (1) is engaged with an upper valve seat (2), an annular mounting seat (3) is fixedly arranged on the top of the inner side of the lower valve seat (1), an annular groove (15) is provided at the bottom of the inner side of the annular mounting seat (3), an annular retaining seat (16) is engaged with the inside of the annular groove (15), a mounting ring (4) is fixedly arranged on the top of the annular retaining seat (16), mounting grooves (18) are provided on both sides of the inner wall of the annular mounting seat (3), and a plurality of support springs (19) are fixedly arranged inside the two mounting grooves (18), which are located at the same A limiting block (20) is fixedly provided at one end away from the inner side of the mounting groove (18) between a plurality of the support springs (19) on one side, and limiting grooves (21) are provided on both sides of the mounting ring (4). A rubber diaphragm (5) is fixedly provided on the inner side of the mounting ring (4), and a fixing seat (6) is fixedly provided in the middle of the rubber diaphragm (5). An L-shaped connecting rod (7) is rotatably provided at the bottom end of the fixing seat (6). Rotating seats (8) are fixedly provided on both sides of the bottom end of the inner wall of the lower valve seat (1), and the rotating seat (8) is rotatably connected to the L-shaped connecting rod (7).

2. The bottled liquefied petroleum gas pressure regulator according to claim 1, characterized in that: A threaded seat (12) is fixedly provided in the middle of the top end of the upper valve seat (2), an adjusting screw (13) is provided on the internal thread of the threaded seat (12), a return spring (14) is fixedly connected to the bottom end of the adjusting screw (13), and the bottom end of the return spring (14) is fixedly connected to the fixed seat (6).

3. The bottled liquefied petroleum gas pressure regulator according to claim 1, characterized in that: An air outlet pipe (10) and an air inlet pipe (9) are fixedly connected to each other on both sides of the lower valve seat (1), a piston rod (24) is inserted into the interior of the air inlet pipe (9), and the L-shaped connecting rod (7) is arranged corresponding to the piston rod (24).

4. The bottled liquefied petroleum gas pressure regulator according to claim 3, characterized in that: An air inlet nozzle (26) is provided at one end of the air inlet pipe (9) away from the lower valve seat (1), and an air-blocking plug (25) is fixedly connected to one end of the piston rod (24), wherein the air-blocking plug (25) and the air inlet nozzle (26) are arranged correspondingly.

5. The bottled liquefied petroleum gas pressure regulator according to claim 1, characterized in that: The two limit blocks (20) are respectively arranged corresponding to the two limit grooves (21), and a sealing gasket (17) is fixedly connected to the bottom end of the mounting ring (4).

6. The bottled liquefied petroleum gas pressure regulator according to claim 1, characterized in that: A sliding groove (22) is provided at the top of the inner side of the two installation grooves (18), a sliding rod (23) is fixedly provided at the top of the two limit blocks (20), and the two sliding grooves (22) are slidably connected to the two sliding rods (23) respectively.

7. The bottled liquefied petroleum gas pressure regulator according to claim 1, characterized in that: A plurality of fixing bolts (11) are threadedly arranged at the connection between the lower valve seat (1) and the upper valve seat (2).

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