CN218152408U - Sealing structure for lifting valve - Google Patents
Sealing structure for lifting valve Download PDFInfo
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- CN218152408U CN218152408U CN202222110643.4U CN202222110643U CN218152408U CN 218152408 U CN218152408 U CN 218152408U CN 202222110643 U CN202222110643 U CN 202222110643U CN 218152408 U CN218152408 U CN 218152408U
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Abstract
The utility model discloses a seal structure for lift valve, include: the main shell comprises a first chamber, a second chamber and a third chamber, wherein the first chamber and the second chamber are respectively positioned at two sides of the third chamber; a lower valve seat is arranged on the first chamber, and a first clamping plate is arranged on the lower valve seat; an upper valve seat is arranged on the second chamber, and a second clamping plate is arranged on the upper valve 3; the sealing plate mechanism comprises a first connecting rod and a sealing plate; a first mounting inner cavity is formed in the sealing plate, and a first end of the first connecting rod is connected with the sealing plate; when the first mounting inner cavity is clamped and connected with the first clamping plate, the first cavity is communicated with the third cavity; when the first mounting inner cavity is clamped and connected with the second clamping plate, the second cavity is communicated with the third cavity. The technical scheme of the utility model can improve sealing performance, reduce gas leakage rate.
Description
Technical Field
The utility model relates to a poppet valve technical field, concretely relates to seal structure for poppet valve.
Background
A regenerative oxidation furnace exhaust gas treatment apparatus is generally provided with a poppet valve, by which communication and blocking between adjacent cases are controlled to control the flow direction of gas.
However, when the gas flow direction is switched in some poppet valves, the sealing performance between the circular plate and the poppet valve body is poor, so that the gas is easily leaked, and the gas utilization rate is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a seal structure for lift valve aims at improving sealing performance, reduces the gas leakage rate.
The utility model discloses the above-mentioned problem that will solve is in order to realize through following technical scheme:
a sealing structure for a poppet valve, comprising:
the main shell comprises a first chamber, a second chamber and a third chamber, wherein the first chamber and the second chamber are respectively positioned at two sides of the third chamber; a lower valve seat is arranged on the first chamber, and a first clamping plate is arranged on the lower valve seat; an upper valve seat is arranged on the second chamber, and a second clamping plate is arranged on the upper valve seat;
the sealing plate mechanism comprises a first connecting rod and a sealing plate; a first mounting inner cavity is formed in the sealing plate, and a first end of the first connecting rod is connected with the sealing plate;
when the first mounting inner cavity is clamped and connected with the first clamping plate, the first cavity is communicated with the third cavity; when the first mounting inner cavity is connected with the second clamping plate in a clamping mode, the second cavity is communicated with the third cavity.
Preferably, the sealing plate further comprises a first sub plate, a bottom sealing ring and a first joint rod; the first sub plate and the bottom sealing ring are arranged side by side and form the first mounting inner cavity; the first joint rod is positioned in the first installation inner cavity, and two sides of the first end of the first joint rod are respectively connected with the first sub-plate and the bottom sealing ring; the second end of the first joint rod is connected with the first connecting rod.
Preferably, the lower valve seat comprises a first clamping plate, a first connecting block and a first supporting plate, a first end of the first supporting plate is connected with the main shell, and two ends of the first connecting block are respectively connected with the first clamping plate and the first supporting plate; the first clamping plate is used for being clamped with the first installation inner cavity in a sealing mode.
Preferably, a second mounting inner cavity is formed between the first clamping plate and the first supporting plate, and the second mounting inner cavity is used for being in sealed clamping connection with the sealing plate.
Preferably, the upper valve seat comprises a second clamping plate, a second connecting block and a second supporting plate, a first end of the second supporting plate is connected with the main shell, and two ends of the second connecting block are respectively connected with the second clamping plate and the second supporting plate; the second clamping plate is used for being clamped with the first installation inner cavity in a sealing mode.
Preferably, a third mounting inner cavity is formed between the second clamping plate and the second supporting plate, and the third mounting inner cavity is used for being connected with the sealing plate in a sealing and clamping manner.
Preferably, the sealing plate mechanism further comprises an engagement assembly, and the middle part of the engagement assembly is connected with the first engagement rod; the outer side end of the connecting component is connected with the middle of the sealing plate.
Preferably, the engagement assembly comprises a first connection shell, a buffer spring, a first engagement shell, a first sealing outer ring and a sealing block; the first connecting shell is sleeved on the outer wall of the first connecting rod; the buffer spring is respectively connected to the upper end of the first sub-plate and the bottom of the bottom sealing ring; the first connecting shell is sleeved on the outer surface of the buffer spring and connected to the middle of the first connecting shell; the sealing block is connected to the outer surface of the first joint shell and is abutted against the upper valve seat or the lower valve seat.
Preferably, the sealing structure for the lift valve further comprises a lifting driving member connected to the top of the main housing and drivingly connected to the first connecting rod to move the sealing plate up and down.
Has the advantages that: the technical scheme of the utility model adopts the sealing block connection with the second clamping plate or the first clamping plate through the first mounting inner cavity in the sealing plate, so as to realize the alternate opening of the first cavity and the second cavity and improve the sealing performance; the gas-liquid separator is suitable for the respective required environments, realizes the fluency of exhaust, can also reduce the leakage of the conveyed gas and reduce the gas leakage rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a sealing structure for a poppet valve according to the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of a sealing structure for a poppet valve according to the present invention.
Fig. 3 is an enlarged schematic structural diagram of an embodiment of a sealing structure for a poppet valve according to the present invention.
Fig. 4 is an enlarged schematic structural diagram of an embodiment of a sealing structure for a poppet valve according to the present invention.
Fig. 5 is a schematic structural diagram of a lower valve seat according to an embodiment of the sealing structure for the poppet valve of the present invention.
Fig. 6 is a schematic structural diagram of an upper valve seat of an embodiment of a sealing structure for a poppet valve according to the present invention.
The reference numbers indicate: 1-a main housing; 11-a first chamber; 12-a second chamber; 2-lower valve seat; 21-a first engaging plate; 22-a first connection block; 23-a first support plate; 3-upper valve seat; 31-a second engaging plate; 32-a second connection block; 33-a second support plate; 4-a lifting drive component; 5-a sealing plate mechanism; 51-a first connecting rod; 52-a sealing plate; 521-a first sub-plate; 522-bottom seal ring; 523-first installation cavity; 524-a first engagement rod; 53-an engagement assembly; 531-first connecting shell; 532-a buffer spring; 533-a first adapter shell; 534-a first sealed outer ring; 54-sealing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication (such as up, down, left, right, front, back, 8230 \8230;, 8230;), the directional indication is only used to explain the relative position relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a seal structure for lift valve.
As shown in fig. 1-4, in one embodiment of the present invention, the poppet valve is a sealed structure; the method comprises the following steps:
the main shell 1, the main shell 11 includes a first chamber 11, a second chamber 12 and a third chamber, the first chamber 11 and the second chamber 12 are respectively located at two sides of the third chamber; a lower valve seat 2 is arranged on the first chamber 11, and a first clamping plate 21 is arranged on the lower valve seat 2; an upper valve seat 3 is arranged on the second chamber 12, and a second clamping plate 31 is arranged on the upper valve seat 3;
a seal plate mechanism 5, the seal plate mechanism 5 including a first connecting rod 51 and a seal plate 52; a first mounting inner cavity 523 is arranged in the sealing plate 52, and a first end of the first connecting rod 51 is connected with the sealing plate 52;
when the first mounting inner cavity 523 is connected with the first engaging plate 21 in an engaging manner, the first cavity 11 is communicated with the third cavity; when the first mounting inner cavity 523 is connected with the second engaging plate 31 in an engaging manner, the second cavity 12 is communicated with the third cavity.
The technical scheme of the utility model is that the first mounting inner cavity in the sealing plate is connected with the second clamping plate or the first clamping plate in a sealing and clamping way, so that the first cavity and the second cavity are opened alternately, and the sealing performance is improved; the gas-liquid separator is suitable for the respective required environments, realizes the fluency of exhaust, can also reduce the leakage of the conveyed gas and reduce the gas leakage rate.
Specifically, as shown in fig. 3 and 4, the sealing plate 52 further includes a first sub plate 521, a bottom sealing ring 522, and a first joint rod 524; the first plate 521 and the bottom sealing ring 522 are arranged side by side to form the first mounting inner cavity 523; the first engagement rod 524 is located in the first installation inner cavity 523, and two sides of a first end of the first engagement rod 524 are connected to the first division plate 521 and the bottom sealing ring 522, respectively; a second end of the first engagement rod 524 is connected with the first connection rod 51; wherein, the bottom sealing ring 522 is a sealing rubber ring, and the first division plate 521 is a first soft plate; the first installation inner chamber of U type through first minute board 521, the formation of end sealing washer 522 can make upper or lower disk seat can improve operation smoothness nature and leakproofness in the first installation inner chamber of block in a flexible way.
Specifically, as shown in fig. 5, the lower valve seat 2 includes a first engaging plate 21, a first connecting block 22 and a first supporting plate 23, a first end of the first supporting plate 23 is connected to the main housing 1, and two ends of the first connecting block 22 are respectively connected to the first engaging plate 21 and the first supporting plate 23; the first engaging plate 21 is configured to be engaged with the first mounting cavity 523 in a sealing manner. The sealing performance of disk seat and closing plate under the guarantee improves gas utilization.
Specifically, as shown in fig. 5, a second mounting inner cavity is formed between the first engaging plate 21 and the first supporting plate 23, and the second mounting inner cavity is used for being in sealed engaging connection with the sealing plate 52; the second mounting inner cavity is used for being in sealing clamping connection with the bottom sealing ring 522; can improve sealing performance through the double seal block, guarantee gas utilization rate.
Specifically, as shown in fig. 6, the upper valve seat 3 includes a second engaging plate 31, a second connecting block 32 and a second supporting plate 33, a first end of the second supporting plate 33 is connected to the main housing 1, and two ends of the second connecting block 32 are connected to the second engaging plate 31 and the second supporting plate 33 respectively; the second engaging plate 31 is configured to be engaged with the first mounting cavity 523 in a sealing manner. The sealing performance of disk seat and closing plate is gone up in the guarantee, improves gas utilization ratio.
Specifically, as shown in fig. 6, a third mounting inner cavity is formed between the second engaging plate 31 and the second supporting plate 33, and the third mounting inner cavity is used for being in sealing engagement connection with the sealing plate 52; the third mounting inner cavity is used for being in sealing clamping connection with the bottom sealing ring 522; can improve sealing performance through the double seal block, guarantee gas utilization ratio.
Specifically, as shown in fig. 1, 3 and 4, the sealing plate mechanism 5 further includes an engaging component 53, and a middle portion of the engaging component 53 is connected to the first engaging rod 524; the outer end of the engagement member 53 is connected to the middle of the sealing plate 52. Wherein the engaging assembly 53 comprises a first connecting shell 531, a buffer spring 532, a first engaging shell 533, a first sealing outer ring 534 and a sealing block 54; the first connecting shell 531 is sleeved on the outer wall of the first connecting rod 51; the buffer spring 532 is respectively connected to the upper end of the first division plate 521 and the bottom of the bottom seal ring 522; the first engaging shell 533 is sleeved on the outer surface of the buffer spring 532 and connected to the middle of the first connecting shell 531; the sealing block 54 is connected to an outer surface of the first coupling housing 533 and abuts the upper valve seat 3 or the lower valve seat 2.
Specifically, in some embodiments, as shown in fig. 1, the sealing structure for lift valve further includes a lifting driving member 4, wherein the lifting driving member 4 is connected to the top of the main housing 1 and is drivingly connected to the first connecting rod 51 to move the sealing plate 52 up and down. Wherein, the lifting driving part 4 adopts a lifting driving cylinder.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (9)
1. A sealing structure for a poppet valve, comprising:
the main shell comprises a first chamber, a second chamber and a third chamber, wherein the first chamber and the second chamber are respectively positioned at two sides of the third chamber; a lower valve seat is arranged on the first chamber, and a first clamping plate is arranged on the lower valve seat; an upper valve seat is arranged on the second chamber, and a second clamping plate is arranged on the upper valve seat;
the sealing plate mechanism comprises a first connecting rod and a sealing plate; a first mounting inner cavity is formed in the sealing plate, and a first end of the first connecting rod is connected with the sealing plate;
when the first mounting inner cavity is clamped and connected with the first clamping plate, the first cavity is communicated with the third cavity; when the first mounting inner cavity is connected with the second clamping plate in a clamping mode, the second cavity is communicated with the third cavity.
2. The sealing structure for a lift valve according to claim 1, wherein said sealing plate further comprises a first minute plate, a bottom seal ring, and a first adapter rod; the first sub plate and the bottom sealing ring are arranged side by side to form the first mounting inner cavity; the first joint rod is positioned in the first installation inner cavity, and two sides of the first end of the first joint rod are respectively connected with the first sub-plate and the bottom sealing ring; the second end of the first connecting rod is connected with the first connecting rod.
3. The sealing structure for the lift valve according to claim 1, wherein the lower valve seat comprises a first engaging plate, a first connecting block and a first supporting plate, a first end of the first supporting plate is connected to the main housing, and two ends of the first connecting block are connected to the first engaging plate and the first supporting plate, respectively; the first clamping plate is used for being clamped with the first installation inner cavity in a sealing mode.
4. The sealing structure for a lift valve according to claim 3, wherein a second mounting cavity is formed between the first engaging plate and the first support plate, the second mounting cavity being adapted to be sealingly engaged with the sealing plate.
5. The sealing structure for the lift valve according to claim 1, wherein the upper valve seat includes a second engaging plate, a second connecting block, and a second supporting plate, a first end of the second supporting plate is connected to the main housing, and both ends of the second connecting block are connected to the second engaging plate and the second supporting plate, respectively; the second clamping plate is used for being clamped with the first installation inner cavity in a sealing mode.
6. The sealing structure for a lift valve according to claim 5, wherein a third mounting cavity is formed between the second engaging plate and the second support plate, the third mounting cavity being adapted to be sealingly engaged with the sealing plate.
7. The seal structure for a lift valve according to claim 2, wherein said seal plate mechanism further comprises an engagement member, a middle portion of said engagement member being connected to said first engagement rod; the outer side end of the connecting component is connected with the middle part of the sealing plate.
8. The sealing structure for a lift valve according to claim 7, wherein the engagement assembly comprises a first coupling housing, a buffer spring, a first engagement housing, a first seal outer race, and a seal block; the first connecting shell is sleeved on the outer wall of the first connecting rod; the buffer spring is respectively connected to the upper end of the first sub-plate and the bottom of the bottom sealing ring; the first connecting shell is sleeved on the outer surface of the buffer spring and connected to the middle of the first connecting shell; the sealing block is connected to the outer surface of the first joint shell and is abutted against the upper valve seat or the lower valve seat.
9. The sealing structure for a lift valve according to claim 1, further comprising a lifting driving member connected to the top of the main housing and drivingly connected to the first connecting rod to move the sealing plate up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222110643.4U CN218152408U (en) | 2022-08-11 | 2022-08-11 | Sealing structure for lifting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222110643.4U CN218152408U (en) | 2022-08-11 | 2022-08-11 | Sealing structure for lifting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218152408U true CN218152408U (en) | 2022-12-27 |
Family
ID=84599908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222110643.4U Active CN218152408U (en) | 2022-08-11 | 2022-08-11 | Sealing structure for lifting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218152408U (en) |
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2022
- 2022-08-11 CN CN202222110643.4U patent/CN218152408U/en active Active
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