CN221922369U - Gas pressure reducing valve convenient to assembly - Google Patents

Abstract

The utility model relates to the technical field of assembly of gas pressure reducing valves and discloses a gas pressure reducing valve convenient to assemble, which comprises a pressure reducing valve, wherein connecting pipes are arranged at the outer sides of inlets at the left side and the right side of the pressure reducing valve, butt joint sleeves are arranged at the outer sides of pipe walls of the connecting pipes at the two sides, a transfer pipe is connected in pipe orifices of the connecting pipes at the two sides, sealing ring gaskets combined with annular grooves on the butt joint sleeves are arranged at the outer sides of the pipe walls of the transfer pipe, sealing ring gaskets attached to the inner walls of the butt joint sleeves are arranged on the side walls of the sealing ring, fixing blocks are arranged on the upper side wall and the lower side wall of the butt joint sleeves, the butt joint pipes can be conveniently connected through the arrangement of the connecting pipes, the annular grooves on the butt joint sleeves are conveniently combined with the sealing rings on the transfer pipe, so that the combined contact range can be improved, and the arrangement of the sealing ring gaskets can strengthen the combined tightness between the sealing ring gaskets and the butt joint sleeves, and the fixing blocks, the fixing plates and the screw holes are convenient to limit the installation positions of adjusting screws.

Description

A gas pressure reducing valve that is easy to assemble

Technical Field

The utility model relates to the technical field of gas pressure reducing valve assembly, and more specifically to a gas pressure reducing valve which is easy to assemble.

Background Art

The gas pressure reducing valve controls the opening of the opening and closing parts in the valve body to adjust the flow of the medium, thereby reducing the pressure of the medium. At the same time, it uses the pressure behind the valve to adjust the opening of the opening and closing parts to keep the pressure behind the valve within a certain range.

When assembling, the existing gas pressure reducing valve is generally connected to the gas pipe through the flange structure on the outer sides of the pipe openings on both sides, and is fixed by multiple screws. Such a connection structure will lead to a long assembly time, resulting in a long time required for the assembly of the gas pressure reducing valve. In addition, fixing with multiple screws will lead to cumbersome and inconvenient operation, which will affect the assembly effect of the gas pressure reducing valve. Therefore, a gas pressure reducing valve that can be assembled quickly is needed.

Utility Model Content

In order to overcome the above defects of the prior art, the utility model provides a gas pressure reducing valve that is easy to assemble, so as to solve the problems existing in the above background technology.

The utility model provides the following technical scheme: a gas pressure reducing valve that is easy to assemble, comprising a pressure reducing valve, connecting pipes are arranged on the outer sides of inlets on the left and right sides of the pressure reducing valve, butt sleeves are arranged on the outer sides of the pipe walls of the connecting pipes on both sides, transfer pipes are connected to the pipe openings of the connecting pipes on both sides, sealing rings that are combined with annular grooves on the butt sleeves are arranged on the outer sides of the pipe walls of the transfer pipes, sealing ring pads that are fitted with the inner walls of the butt sleeves are arranged on the side walls of the sealing rings, fixing blocks are arranged on the upper and lower side walls of the butt sleeves on both sides, fixing plates are arranged on the side walls of the fixing blocks, a threaded hole 1 is opened on the plate wall of the fixing plate, an adjusting screw is installed inside the threaded hole 1, and a limiting round block that is fitted with the side faces of the butt sleeve and the sealing ring is installed on the side ends of the adjusting screws.

Furthermore: the sealing ring gasket is made of rubber and has a thickness of 3 mm.

Further: a sealing sleeve is provided on the outer wall of the transfer tube which is in contact with the inner wall of the connecting tube, and the thickness of the sealing sleeve is 3 mm.

Further: a knob is arranged at the upper end of the adjusting screw, a threaded block is arranged at the lower end of the adjusting screw, and a threaded hole 2 combined with the threaded block is arranged on the upper side surface of the limiting circular block.

Furthermore: an inner wall of the pipe opening at the other end of the adapter tube is provided with an internal thread, and a limiting ring is provided on the outer pipe wall at the other end of the adapter tube.

Further: a connecting ring pad is arranged on the side of the limiting ring, and the thickness of the connecting ring pad is 3 mm.

Technical effects and advantages of the utility model:

1. The utility model can be conveniently connected to the transfer tube through the setting of the connecting pipe, and the annular groove on the docking sleeve is convenient for combination with the sealing ring on the transfer tube, so as to improve the range of the combined contact, and the setting of the sealing ring gasket can strengthen the tightness of the combination between the sealing ring and the docking sleeve. The setting of the fixed block, the fixed plate and the threaded hole is convenient for limiting the installation position of the adjusting screw, and the distance between the limiting round block and the sealing ring can be adjusted through the cooperation of the thread, so as to squeeze and fix the position of the sealing ring, thereby ensuring the stability of the installation position of the transfer tube, the overall structure is simple to cooperate, and the operation is convenient, which can effectively reduce the disassembly and assembly steps, and improve the convenience of assembling the pressure reducing valve.

2. Through the cooperation of the threads, the limit circle can be controlled to move up and down when the adjusting screw is rotated. The shape of the limit circle does not affect the rotation of the adjusting screw when it contacts the docking sleeve and the side of the sealing ring, and is convenient for moving up and down. The sealing ring gasket can be squeezed while limiting the position, thereby enhancing the sealing of the combination, ensuring the sealing of the assembly, and having a good use effect.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic structural diagram of the pressure reducing valve part of the utility model.

FIG3 is a schematic structural diagram of the transfer pipe part of the utility model.

FIG. 4 is a schematic structural diagram of the adjusting screw portion of the present invention.

FIG. 5 is an exploded view of the structure of FIG. 4 .

The accompanying drawings are marked as follows: 1. pressure reducing valve; 2. connecting pipe; 3. docking sleeve; 4. annular groove; 5. transfer tube; 6. sealing ring; 7. sealing ring gasket; 8. sealing sleeve; 9. fixing block; 10. fixing plate; 11. threaded hole one; 12. adjusting screw; 13. limiting round block; 14. knob; 15. threaded block; 16. threaded hole two; 17. limiting ring; 18. connecting ring gasket.

DETAILED DESCRIPTION

The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the structures involved in the present invention are not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

Embodiment 1: With reference to Figures 1-5, the utility model provides a gas pressure reducing valve that is easy to assemble, including a pressure reducing valve 1. The pressure reducing valve 1 is a gas pressure reducing valve, which is a prior art structure. Connecting pipes 2 are provided on the outer sides of the inlets on the left and right sides of the pressure reducing valve 1. The connecting pipes 2 are fixedly connected to the valve port of the pressure reducing valve 1 to ensure the sealing of the connection. The outer sides of the pipe walls of the connecting pipes 2 on both sides are provided with docking sleeves 3. The docking sleeves 3 and the connecting pipes 2 are welded together. Transfer pipes 5 are connected to the pipe ports of the connecting pipes 2 on both sides. The outer sides of the pipe walls of the transfer pipes 5 are provided with sealing rings 6 combined with the annular grooves 4 on the docking sleeves 3. The installation position of the transfer pipe 5 can be fixed by combining the sealing rings 6 with the annular grooves 4 on the docking sleeves 3, and the increase in the docking range can improve the sealing of the combination. The side walls of the sealing rings 6 are provided with sealing ring pads 7 that fit with the inner walls of the docking sleeves 3. Combined with the docking sleeve 3, the sealing ring gasket 7 can be squeezed to ensure the sealing of the connection. Fixed blocks 9 are provided on the upper and lower side walls of the docking sleeve 3 on both sides. The side walls of the fixed blocks 9 are provided with fixed plates 10. A threaded hole 11 is provided on the plate wall of the fixed plate 10. The setting of the fixed block 9 can limit the distance between the fixed plate 10 and the docking sleeve 3. An adjusting screw 12 is installed inside the threaded hole 11. The position of the adjusting screw 12 can be conveniently limited by the combination of the threaded hole 11 and the adjusting screw 12. At the same time, the movement of the lower end of the adjusting screw 12 can be controlled under the rotation operation. The side end of the adjusting screw 12 is provided with a limiting round block 13 that fits the side of the docking sleeve 3 and the sealing ring 6. The position of the limiting round block 13 can be changed by moving the adjusting screw 12, thereby facilitating the contact or separation of the limiting round block 13 with the docking sleeve 3 and the sealing ring 6.

Wherein: the material of the sealing ring gasket 7 is rubber, and the thickness of the sealing ring gasket 7 is 3 mm; the rubber material has a certain elasticity, and can shrink when under pressure and recover when decompressed, so that the use effect of the sealing ring gasket 7 can be guaranteed.

Wherein: a sealing sleeve 8 is arranged on the outer wall of the transfer tube 5 which is in contact with the inner wall of the connecting tube 2, and the thickness of the sealing sleeve 8 is 3 mm; the setting of the sealing sleeve 8 can enhance the tightness of the combination of the transfer tube 5 and the connecting tube 2, thereby ensuring the sealing of the connection.

Among them: a knob 14 is provided at the upper end of the adjusting screw 12, a threaded block 15 is provided at the lower end of the adjusting screw 12, and a second threaded hole 16 combined with the threaded block 15 is provided on the upper side surface of the limiting circle block 13; the setting of the knob 14 facilitates the rotation of the adjusting screw 12 and increases the fulcrum point, and the cooperation between the second threaded hole 16 and the threaded block 15 facilitates the combination or separation of the limiting circle block 13 and the adjusting screw 12, and facilitates assembly.

Among them: the inner wall of the pipe opening at the other end of the transfer tube 5 is provided with an internal thread, and a limiting ring 17 is provided on the outer pipe wall at the other end of the transfer tube 5; the setting of the internal thread facilitates the connection between the transfer tube 5 and the trachea, and the setting of the limiting ring 17 can limit the distance between the transfer tube 5 and the trachea.

Wherein: a connecting ring pad 18 is arranged on the side of the limiting ring 17, and the thickness of the connecting ring pad 18 is 3 mm; the setting of the connecting ring pad 18 can enhance the tightness of the connection between the transfer tube 5 and the trachea, thereby achieving a sealed connection effect.

The working principle of the first embodiment of the utility model is as follows: first, the transfer tube 5 is connected to the air pipe through the internal thread, and the distance of the combination can be limited by the setting of the limit ring 17. At the same time, the sealing of the combination can be strengthened by the setting of the connecting ring gasket 18. Then, the other end of the transfer tube 5 is inserted into the connecting tube 2 on the pressure reducing valve 1, so that the sealing ring 6 on the transfer tube 5 can be combined with the docking sleeve 3 on the connecting tube 2, and at the same time, the sealing ring gasket 7 on the sealing ring 6 is in contact with the groove wall of the annular groove 4 on the docking sleeve 3. Then, the adjusting screw 12 can be rotated by the knob 14 so that it can rotate and move under the limit of the threaded hole 11, so that the limit round block 13 at the lower end can be driven to move downward. , so that the sealing ring 6 can be squeezed, so that the sealing ring gasket 7 is compressed and contracted, which can ensure the sealing of the connection. At the same time, the transfer tube 5 and the connecting tube 2 can be stably combined under the obstruction of the limiting round block 13, so that the operation of assembling the pressure reducing valve 1 on the trachea can be completed. Through such a structural setting, the convenience of assembling the pressure reducing valve 1 can be effectively improved, and the structure is simple to match, replacing the original screw fixing method, and effectively reducing the limiting structure, which can reduce the operating steps of disassembly and assembly, shorten the time required for assembling the pressure reducing valve 1, improve the convenience of assembling the pressure reducing valve 1, and the structure is simple to match, easy to use, and improve the overall use effect.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a gaseous relief pressure valve convenient to assembly, includes relief pressure valve (1), its characterized in that: the sealing ring is characterized in that connecting pipes (2) are arranged on the outer sides of the inlet of the left side and the right side of the pressure reducing valve (1), fixing blocks (9) are arranged on the upper side and the lower side of the butt joint sleeve (3), fixing plates (10) are arranged on the side walls of the fixing plates (9), threaded holes (11) are formed in the plate walls of the fixing plates (10), adjusting screws (12) are arranged in the threaded holes (11) in the inner sides of the connecting pipes, sealing rings (6) combined with annular grooves (4) on the butt joint sleeve (3), sealing ring pads (7) attached to the inner walls of the butt joint sleeve (3) are arranged on the side walls of the sealing rings (6), and limiting round blocks (13) attached to the side faces of the butt joint sleeve (3) and the sealing rings (6) are arranged at the side ends of the adjusting screws (12).

2. A gas pressure reducing valve for facilitating assembly as defined in claim 1, wherein: the sealing ring pad (7) is made of rubber, and the thickness of the sealing ring pad (7) is 3mm.

3. A gas pressure reducing valve for facilitating assembly as defined in claim 1, wherein: the sealing sleeve (8) is arranged on the outer wall of the adapter tube (5) attached to the inner wall of the connecting tube (2), and the thickness of the sealing sleeve (8) is 3mm.

4. A gas pressure reducing valve for facilitating assembly as defined in claim 1, wherein: the upper end of the adjusting screw (12) is provided with a knob (14), the lower end of the adjusting screw (12) is provided with a threaded block (15), and the upper side surface of the limiting round block (13) is provided with a threaded hole II (16) combined with the threaded block (15).

5. A gas pressure reducing valve for facilitating assembly as defined in claim 1, wherein: the inner wall of the pipe orifice at the other end of the switching pipe (5) is provided with an internal thread, and the pipe wall at the outer side of the other end of the switching pipe (5) is provided with a limiting ring (17).

6. A gas pressure reducing valve for facilitating assembly as defined in claim 5, wherein: the side of the limiting ring (17) is provided with a connecting ring pad (18), and the thickness of the connecting ring pad (18) is 3mm.