CN217153364U

CN217153364U - Connecting assembly of lift valve for RTO device

Info

Publication number: CN217153364U
Application number: CN202220142770.XU
Authority: CN
Inventors: 李献伟; 陈强; 叶帆; 丁世锐
Original assignee: Qinhuangdao Black Bean Environmental Protection Technology Co ltd
Current assignee: Qinhuangdao Black Bean Environmental Protection Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-09
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a coupling assembling of RTO poppet valve for device, including valve body, intake pipe and outlet duct, one side of valve body is provided with first communicating pipe, the opposite side of valve body is provided with second communicating pipe, first communicating pipe passes through threaded connection with the intake pipe, the outside of second communicating pipe is provided with the stopper, the outside of second communicating pipe is provided with sliding sleeve, sliding sleeve passes through threaded connection with the outlet duct, the utility model discloses a set up valve body, intake pipe, outlet duct, first communicating pipe, second communicating pipe, sliding sleeve and stopper etc. have and can make and be connected through the threaded mode between poppet valve and the pipeline for the more convenient advantage of dismouting has solved the problem that the welding is difficult to change between current poppet valve and the pipeline.

Description

Connecting assembly of lift valve for RTO device

Technical Field

The utility model belongs to the technical field of coupling assembling designs, especially, relate to a coupling assembling of lift valve for RTO device.

Background

The lift valve for the RTO device is used for controlling the trend of waste gas in a pipeline, so that the gas in the pipeline is in a circulating or blocking state; the existing connection mode of the poppet valve and the pipeline mostly adopts a welding method, the poppet valve is inconvenient to disassemble due to the welding connection mode, and the pipeline can be replaced only by cutting off the pipeline by using a cutting knife when the poppet valve is damaged and needs to be replaced, so that the problem needs to be solved by designing a connection assembly of the poppet valve for an RTO device urgently.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a coupling assembling of RTO is poppet valve for device has and to make and is connected through the mode of screw thread between poppet valve and the pipeline for the more convenient advantage of dismouting has solved the problem that the welding is difficult to change between current poppet valve and the pipeline.

The utility model discloses a realize like this, a coupling assembling of RTO for device poppet valve, including valve body, intake pipe and outlet duct, one side of valve body is provided with first communicating pipe, the opposite side of valve body is provided with second communicating pipe, first communicating pipe passes through threaded connection with the intake pipe, the outside of second communicating pipe is provided with the stopper, the outside of second communicating pipe is provided with sliding sleeve, sliding sleeve passes through threaded connection with the outlet duct.

As the utility model discloses it is preferred, the first annular lug of surface fixedly connected with of intake pipe, the surface fixedly connected with second annular lug of first connecting pipe, the first sealing strip of one side fixedly connected with of first annular lug, one side fixedly connected with second sealing strip of second annular lug, first sealing strip and second sealing strip are contradicted each other.

As the utility model discloses it is preferred, the inside of first connecting pipe is provided with the annular piece, the output fixedly connected with fillet portion of intake pipe, fillet portion contradicts with annular piece each other.

As the utility model discloses it is preferred, one side of outlet duct is provided with the lug, one side of second communicating pipe is seted up flutedly, the lug extends to the inside of recess.

Preferably, one side of the convex block, which is close to the groove, is provided with a pointed cone.

As the utility model discloses it is preferred, the upper and lower both sides of lug are provided with fourth sealing strip and third sealing strip, third sealing strip and fourth sealing strip and outlet duct fixed connection, third sealing strip and fourth sealing strip are contradicted each other with the second communicating pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up valve body, intake pipe, outlet duct, first communicating pipe, second communicating pipe, sliding sleeve and stopper, can make intake pipe and outlet duct pass through the screw thread and connect respectively in first communicating pipe and second communicating pipe, can make the valve body be convenient for dismantle from the pipeline and install.

2. The utility model discloses a set up first annular lug, second annular lug, first sealing strip and second sealing strip, can guarantee the leakproofness between intake pipe and the first connecting pipe.

3. The utility model discloses a set up annular lug and fillet portion, can make the leakproofness of intake pipe and first connecting pipe better.

4. The utility model discloses a set up lug and recess, can make lug and recess support tightly each other for the leakproofness has between second communicating pipe and the outlet duct.

5. The utility model discloses a set up sharp pyramis, can further increase the leakproofness between second communicating pipe and the outlet duct.

6. The utility model discloses a set up third sealing strip and fourth sealing strip, further improvement second is communicating pipe and the leakproofness between the outlet duct.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a side view provided by an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view at a-a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of fig. 3 at B according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the embodiment of the present invention at C in fig. 3;

fig. 6 is an enlarged schematic view of a position D in fig. 5 according to an embodiment of the present invention.

In the figure: 1. a valve body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a first communication pipe; 5. a second communicating pipe; 6. a sliding sleeve; 7. a limiting block; 8. a first annular projection; 9. a second annular bump; 10. a first seal strip; 11. a second seal strip; 12. a ring block; 13. a rounded corner portion; 14. a protruding block; 15. a groove; 16. a tapered section; 17. a third seal strip; 18. and a fourth sealing strip.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 6, the embodiment of the utility model provides a pair of coupling assembling of RTO poppet valve for device, including valve body 1, intake pipe 2 and outlet duct 3, one side of valve body 1 is provided with first communicating pipe 4, the opposite side of valve body 1 is provided with second communicating pipe 5, first communicating pipe 4 passes through threaded connection with intake pipe 2, the outside of second communicating pipe 5 is provided with stopper 7, the outside of second communicating pipe 5 is provided with sliding sleeve 6, sliding sleeve 6 passes through threaded connection with outlet duct 3.

The scheme is adopted: through setting up valve body 1, intake pipe 2, outlet duct 3, first communicating pipe 4, second communicating pipe 5, sliding sleeve 6 and stopper 7, can make intake pipe 2 and outlet duct 3 connect in first communicating pipe 4 and second communicating pipe 5 respectively through the screw thread, can make valve body 1 be convenient for dismantle and install from the pipeline.

Referring to fig. 4, the outer fixed surface of the air inlet pipe 2 is connected with a first annular bump 8, the outer fixed surface of the first communicating pipe 4 is connected with a second annular bump 9, one side of the first annular bump 8 is fixedly connected with a first sealing strip 10, one side of the second annular bump 9 is fixedly connected with a second sealing strip 11, and the first sealing strip 10 and the second sealing strip 11 are mutually contradicted.

Adopt above-mentioned scheme: through setting up first annular lug 8, second annular lug 9, first sealing strip 10 and second sealing strip 11, can guarantee the leakproofness between intake pipe 2 and the first connecting pipe 4.

Referring to fig. 4, an annular block 12 is disposed inside the first communicating pipe 4, and a rounded corner 13 is fixedly connected to an output end of the air inlet pipe 2, wherein the rounded corner 13 and the annular protruding block 14 are abutted against each other.

Adopt above-mentioned scheme: by providing the annular projecting block 14 and the rounded portion 13, the air intake pipe 2 can be made more airtight to the first communication pipe 4.

Referring to fig. 6, a protruding block 14 is disposed on one side of the outlet pipe 3, a groove 15 is disposed on one side of the second communication pipe 5, and the protruding block 14 extends into the groove 15.

Adopt above-mentioned scheme: through setting up protruding piece 14 and recess 15, can make protruding piece 14 and recess 15 support each other tightly for have the leakproofness between second communicating pipe 5 and the outlet duct 3.

Referring to fig. 6, the side of the protruding block 14 adjacent to the groove 15 is provided with a pointed portion 16.

Adopt above-mentioned scheme: by providing the tapered portion 16, the sealing property between the second communication pipe 5 and the outlet pipe 3 can be further increased.

Referring to fig. 6, the upper and lower sides of the protruding block 14 are provided with a fourth sealing strip 18 and a third sealing strip 17, the third sealing strip 17 and the fourth sealing strip 18 are fixedly connected with the outlet pipe 3, and the third sealing strip 17 and the fourth sealing strip 18 are mutually abutted against the second communication pipe 5.

Adopt above-mentioned scheme: by providing the third weather strip 17 and the fourth weather strip 18, the sealing performance between the second communication pipe 5 and the outlet pipe 3 is further improved.

The utility model discloses a theory of operation:

when using, at first screw up intake pipe 2 and first communicating pipe 4 through the screw thread, then remove the one side that valve body 1 was kept away from to outlet duct 3 with sliding sleeve 6, screw up through screw thread and outlet duct 3, the mutual support of first sealing strip 10 and second sealing strip 11 can make intake pipe 2 and first communicating pipe 4 between sealed, third sealing strip 17 and fourth sealing strip 18 can make the leakproofness between second communicating pipe 5 and the outlet duct 3 better.

In summary, the following steps: this coupling assembling of RTO is poppet valve for device, through setting up valve body 1, intake pipe 2, outlet duct 3, first communicating pipe 4, second communicating pipe 5, sliding sleeve 6 and stopper 7 etc. have and to make and be connected through the mode of screw thread between poppet valve and the pipeline for the more convenient advantage of dismouting has solved the problem that the welding is difficult to change between current poppet valve and the pipeline.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coupling assembling of RTO poppet valve for device, includes valve body (1), intake pipe (2) and outlet duct (3), its characterized in that: one side of valve body (1) is provided with first communicating pipe (4), the opposite side of valve body (1) is provided with second communicating pipe (5), first communicating pipe (4) pass through threaded connection with intake pipe (2), the outside of second communicating pipe (5) is provided with stopper (7), the outside of second communicating pipe (5) is provided with sliding sleeve (6), sliding sleeve (6) pass through threaded connection with outlet duct (3).

2. A poppet valve coupling assembly for an RTO device as defined in claim 1, wherein: the utility model discloses a sealing device, including intake pipe (2), the outer fixed surface of first circular convex block (8) of intake pipe (2), the outer fixed surface of first connecting pipe (4) is connected with second circular convex block (9), the first sealing strip of one side fixedly connected with (10) of first circular convex block (8), one side fixedly connected with second sealing strip (11) of second circular convex block (9), conflict each other in first sealing strip (10) and second sealing strip (11).

3. A poppet valve coupling assembly for an RTO device as defined in claim 1, wherein: the inside of first connecting pipe (4) is provided with annular piece (12), the output fixedly connected with fillet portion (13) of intake pipe (2), fillet portion (13) and annular protrusion piece (14) are contradicted each other.

4. A poppet valve coupling assembly for an RTO device as defined in claim 1, wherein: one side of the air outlet pipe (3) is provided with a protruding block (14), one side of the second communicating pipe (5) is provided with a groove (15), and the protruding block (14) extends into the groove (15).

5. A poppet valve coupling assembly for an RTO device according to claim 4, wherein: one side of the convex block (14) close to the groove (15) is provided with a pointed cone part (16).

6. A poppet valve coupling assembly for an RTO device according to claim 4, wherein: the upper and lower both sides of protrusion piece (14) are provided with fourth sealing strip (18) and third sealing strip (17), third sealing strip (17) and fourth sealing strip (18) and outlet duct (3) fixed connection, third sealing strip (17) and fourth sealing strip (18) are contradicted each other with second communicating pipe (5).