CN215568729U - High vacuum valve that gas tightness is strong - Google Patents
High vacuum valve that gas tightness is strong Download PDFInfo
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- CN215568729U CN215568729U CN202121453178.3U CN202121453178U CN215568729U CN 215568729 U CN215568729 U CN 215568729U CN 202121453178 U CN202121453178 U CN 202121453178U CN 215568729 U CN215568729 U CN 215568729U
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- fixedly connected
- vacuum valve
- flange
- sealing washer
- ring flange
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Abstract
The utility model discloses a high vacuum valve with strong air tightness, which comprises a vacuum valve body, wherein the left side of the vacuum valve body is fixedly connected with a connecting pipe, the end part of the connecting pipe is fixedly provided with a first flange plate, the end part of the first flange plate is connected with a second flange plate in a flange mode, the left side of the second flange plate is fixedly connected with a butt joint pipe, the left side of the connecting pipe is fixedly connected with a butt joint pipe, the inner wall of the butt joint pipe is provided with a butt joint cavity, and the butt joint pipe is spliced in the butt joint cavity. Through setting up to intubate and the intraductal cavity of inserting of butt joint to inserting, thereby reduce the impact of inside and outside pressure to the sealing washer, and set up the sealing washer through the left side at first ring flange and handing-over department to the intubate, can dock in the constant head tank through setting up the locating piece, can fix a position the sealing washer, make the difficult atress of sealing washer remove, thereby can reduce the pressure power, strengthen sealed effect.
Description
Technical Field
The utility model relates to the field of vacuum valves, in particular to a high vacuum valve with strong air tightness.
Background
The vacuum valve is a valve with working pressure lower than standard atmospheric pressure, a component used for changing the direction of air flow, adjusting the size of air flow and cutting off or connecting a vacuum system pipeline in a vacuum system, classified products comprise a vacuum stop valve, a vacuum diaphragm valve, a vacuum electromagnetic valve, a vacuum safety valve, a vacuum baffle valve, a vacuum gate valve, a vacuum inflation valve and the like, and common connection forms of common vacuum valves are flange connection.
The flange joint mode of vacuum valve is stronger slightly for the mounting means leakproofness of screw thread, but traditional vacuum valve's connection structure, most are direct seals junction gap structure with the sealing washer, leads to the sealing washer atress powerful great, easily leads to the sealing washer to warp, leads to sealed effect not good to traditional flange joint mode installation is loaded down with trivial details, when carrying out the use temporarily, is difficult to reach quick assembly disassembly's purpose.
SUMMERY OF THE UTILITY MODEL
In view of the problems mentioned in the background art, the present invention is directed to providing a high vacuum valve with high airtightness to solve the problems mentioned in the background art.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides a high vacuum valve that gas tightness is strong, includes the vacuum valve body, the left side fixedly connected with connecting pipe of vacuum valve body, the tip fixed mounting of connecting pipe has first ring flange, the tip flange joint of first ring flange has the second ring flange, the left side fixedly connected with of second ring flange is to the pipe, the left side fixedly connected with of connecting pipe is to the intubate, to having seted up on the inner wall of pipe and to having pegging graft the cavity, peg graft in the cavity to the intubate, the left side of first ring flange is seted up flutedly, fixed mounting has the sealing washer in the recess, the side swing joint of first ring flange has the driving lever, the tip fixedly connected with fixture block of driving lever.
Through adopting above-mentioned technical scheme, carry out the antithetical couplet cavity of inserting to intubate and butt joint intraductal through the setting and insert, thereby reduce the impact of inside and outside pressure to the sealing washer, and set up the sealing washer through the left side at first ring flange and handing-over department to the intubate, thereby can reduce the pressure brute force, strengthen sealed effect, conveniently connect first ring flange and second ring flange through setting up driving lever and fixture block, thereby can connect first ring flange and second ring flange fast, thereby carry out quick assembly disassembly, it is very convenient when using temporarily and when the pre-installation location.
Preferably, the left side of the sealing ring is fixedly connected with a positioning block, the right side of the second flange is provided with a positioning groove, and the positioning block is clamped in the positioning groove.
Through adopting above-mentioned technical scheme, can dock in the constant head tank through setting up the locating piece, can fix a position the sealing washer, make the difficult atress of sealing washer remove.
Preferably, the right inner ring of the second flange is fixedly connected with an insertion piece, the left inner ring of the sealing ring is provided with a slot, and the insertion piece is inserted into the slot.
By adopting the technical scheme, the position of the stress on the sealing ring at the joint gap is changed by arranging the inserting pieces, so that the pressure at the gap can be just opposite to the center position of the inner ring of the sealing ring, the stress on the sealing ring is uniform, the sealing ring is not easy to deform or move, and the sealing effect is better.
Preferably, the end part of the inserting piece is provided with an inclined plug, and one surface of the inserting piece close to the sealing ring is fixedly connected with a big belly squeezing block.
Through adopting above-mentioned technical scheme, be convenient for insert the inner circle position to the sealing washer through setting up the slope plug, can play certain squeezing action to the sealing washer through setting up big tripe extrusion piece to the sealed effect of sealing washer is better after connecting.
Preferably, a plurality of first mounting holes are formed in the side surface of the first flange plate, and a plurality of second mounting holes are formed in the side surface of the second flange plate.
Through adopting above-mentioned technical scheme, conveniently carry out flange joint with first ring flange and second ring flange through the bolt through setting up first mounting hole and second mounting hole to can keep better sealed effect when using for a long time.
Preferably, the deflector rods are at least provided with two groups and hinged to the side face of the first flange plate through a hinge.
Through adopting above-mentioned technical scheme, make quick assembly disassembly's position atress even through setting up at least two sets of driving levers, can connect the second ring flange on first ring flange through articulated elements articulated driving lever.
Preferably, the left side of the clamping block is fixedly connected with a shifting block, and the outer surface of the shifting block is fixedly connected with a plastic cap.
Through adopting above-mentioned technical scheme, stir the driving lever through setting up the shifting block convenience to the convenient dismantlement, the plastic cap can play the guard action when the hand is stirred.
In summary, the utility model mainly has the following beneficial effects:
firstly, the insertion pipe and the insertion cavity in the butt joint pipe are inserted in an opposite way, so that the impact of internal and external pressure on the sealing ring is reduced, and the sealing ring is arranged at the joint of the left side of the first flange plate and the insertion pipe, the positioning block can be butted in the positioning groove to position the sealing ring, so that the sealing ring is not easy to move under stress, thereby reducing the pressure intensity and strengthening the sealing effect, changing the position of the stress on the sealing ring at the connecting gap by arranging the inserting pieces, ensuring that the pressure intensity at the gap can be just opposite to the central position of the inner ring of the sealing ring, ensuring that the sealing ring is uniformly stressed and is not easy to deform or move, and having better sealing effect, the inclined plug is convenient to insert into the inner ring position of the sealing ring, and the big-belly extrusion block is arranged to extrude the sealing ring to a certain extent, so that the sealing effect of the sealing ring is better after connection.
The second, conveniently connect first ring flange and second ring flange through setting up driving lever and fixture block to can connect first ring flange and second ring flange fast, thereby carry out quick assembly disassembly, it is very convenient when using temporarily and preassemble the location.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of part A of the present invention.
Reference numerals: 1. a vacuum valve body; 2. a connecting pipe; 3. a first flange plate; 4. a second flange plate; 5. butt-joint pipes; 6. inserting the tube; 7. opposite insertion cavities; 8. a groove; 9. a seal ring; 10. a deflector rod; 11. a clamping block; 12. positioning blocks; 13. positioning a groove; 14. inserting sheets; 15. a slot; 16. an inclined plug; 17. a big belly squeezing block; 18. a first mounting hole; 19. a second mounting hole; 20. shifting blocks; 21. a plastic cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-2, a high vacuum valve with high air tightness comprises a vacuum valve body 1, a connecting pipe 2 is fixedly connected to the left side of the vacuum valve body 1, a first flange 3 is fixedly mounted at the end of the connecting pipe 2, a second flange 4 is connected to the end of the first flange 3 in a flange manner, a butt joint pipe 5 is fixedly connected to the left side of the second flange 4, a butt joint pipe 6 is fixedly connected to the left side of the connecting pipe 2, a butt joint cavity 7 is formed in the inner wall of the butt joint pipe 5, the butt joint pipe 6 is spliced in the butt joint cavity 7, a groove 8 is formed in the left side of the first flange 3, a sealing ring 9 is fixedly mounted in the groove 8, a deflector rod 10 is movably connected to the side of the first flange 3, and a clamping block 11 is fixedly connected to the end of the deflector rod 10.
Referring to fig. 1-2, for the purpose of preventing displacement; a positioning block 12 is fixedly connected to the left side of the sealing ring 9, a positioning groove 13 is formed in the right side of the second flange plate 4, and the positioning block 12 is clamped in the positioning groove 13; can dock in constant head tank 13 through setting up locating piece 12, can fix a position sealing washer 9, make sealing washer 9 be difficult for the atress removal.
Referring to fig. 1-2, for the purpose of uniform compressive strength; an insert piece 14 is fixedly connected to the position of the inner ring on the right side of the second flange plate 4, a slot 15 is formed in the position of the inner ring on the left side of the sealing ring 9, and the insert piece 14 is inserted into the slot 15; the position of the stress on the sealing ring 9 at the joint gap is changed by arranging the inserting pieces 14, so that the pressure at the gap can be just opposite to the center of the inner ring of the sealing ring 9, the stress on the sealing ring 9 is uniform, the sealing ring is not easy to deform or move, and the sealing effect is better.
Referring to fig. 1-2, for the purpose of plunge pressing; an inclined plug 16 is arranged at the end part of the inserting sheet 14, and a big belly extrusion block 17 is fixedly connected to one surface of the inserting sheet 14 close to the sealing ring 9; the inclined plug 16 is convenient to insert into the inner ring position of the sealing ring 9, and the large-belly extrusion block 17 is arranged to extrude the sealing ring 9 to a certain extent, so that the sealing effect of the sealing ring 9 is better after connection.
Referring to fig. 1-2, for flange mounting purposes; a plurality of first mounting holes 18 are formed in the side surface of the first flange plate 3, and a plurality of second mounting holes 19 are formed in the side surface of the second flange plate 4; the first flange plate 3 and the second flange plate 4 are conveniently connected through bolts by arranging the first mounting holes 18 and the second mounting holes 19, so that a good sealing effect can be kept when the sealing device is used for a long time.
Referring to fig. 1-2, for the purpose of balancing the dialing; the deflector rods 10 are at least provided with two groups, and the deflector rods 10 are hinged to the side surface of the first flange plate 3 through hinge pieces; the stress of the quick assembly disassembly position is uniform by arranging at least two groups of deflector rods 10, and the deflector rods 10 hinged through the hinge parts can connect the second flange plate 4 to the first flange plate 3.
Referring to fig. 1-2, for ease of dialing purposes; the left side of the clamping block 11 is fixedly connected with a shifting block 20, and the outer surface of the shifting block 20 is fixedly connected with a plastic cap 21; poking rod 10 is conveniently poked through setting up shifting block 20 to conveniently dismantle, plastic cap 21 can play the guard action when the hand is stirred.
The use principle and the advantages are as follows: through setting up and inserting 6 and inserting the cavity 7 to inserting in the butt joint 5 to the intubate, thus reduce the impact of internal and external pressure to the sealing washer 9, and through setting up the sealing washer 9 in the left side of first ring flange 3 and the handing-over department to intubate 6, can butt joint in the constant head tank 13 through setting up the locating piece 12, can fix a position the sealing washer 9, make the sealing washer 9 difficult for the atress to move, thus can reduce the pressure strength, strengthen the sealing effect, change the position of the joint gap department to the sealing washer 9 atress through setting up the inserted sheet 14, make the pressure of gap department can be just to the inner circle central point in the sealing washer 9, make the sealing washer 9 atress even, difficult deformation or removal, and sealed the effect is better, through setting up the inclined plug 16 and being convenient for inserting to the inner circle position of the sealing washer 9, can play certain squeezing action to the sealing washer 9 through setting up the big tripe extrusion piece 17, thereby it is better to be connecting back sealing washer 9 sealed effect, conveniently connect first ring flange 3 and second ring flange 4 through setting up driving lever 10 and fixture block 11, thereby can connect first ring flange 3 and second ring flange 4 fast, thereby carry out quick assembly disassembly, it is very convenient when using temporarily and preassemble the location, stir driving lever 10 through setting up shifting block 20 convenience, thereby conveniently dismantle, plastics cap 21 can play the guard action when the hand is stirred, the position atress that makes quick assembly disassembly through setting up at least two sets of driving lever 10 is even, can connect second ring flange 4 on first ring flange 3 through articulated elements articulated driving lever 10.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high vacuum valve that gas tightness is strong, includes vacuum valve body (1), its characterized in that: the left side fixedly connected with connecting pipe (2) of vacuum valve body (1), the tip fixed mounting of connecting pipe (2) has first ring flange (3), the tip flange connection of first ring flange (3) has second ring flange (4), the left side fixedly connected with of second ring flange (4) is to managing (5), the left side fixedly connected with of connecting pipe (2) is to intubate (6), to inserting cavity (7) has been seted up on the inner wall of butt joint pipe (5), peg graft in to inserting cavity (7) intubate (6), the left side of first ring flange (3) is seted up fluted (8), fixed mounting has sealing washer (9) in recess (8), the side swing joint of first ring flange (3) has driving lever (10), the tip fixedly connected with fixture block (11) of driving lever (10).
2. The high vacuum valve with strong airtightness according to claim 1, wherein: the left side fixedly connected with locating piece (12) of sealing washer (9), constant head tank (13) have been seted up on the right side of second ring flange (4), locating piece (12) joint is in constant head tank (13).
3. The high vacuum valve with strong airtightness according to claim 1, wherein: the position fixedly connected with inserted sheet (14) of the right side inner circle of second ring flange (4), slot (15) have been seted up to the left side inner circle position of sealing washer (9), inserted sheet (14) are pegged graft in slot (15).
4. A highly airtight high vacuum valve as claimed in claim 3, wherein: the tip of inserted sheet (14) is provided with slope plug (16), one side fixedly connected with tripe extrusion piece (17) that inserted sheet (14) are close to sealing washer (9).
5. The high vacuum valve with strong airtightness according to claim 1, wherein: a plurality of first mounting holes (18) are formed in the side face of the first flange plate (3), and a plurality of second mounting holes (19) are formed in the side face of the second flange plate (4).
6. The high vacuum valve with strong airtightness according to claim 1, wherein: the driving levers (10) are at least provided with two groups, and the driving levers (10) are hinged to the side face of the first flange plate (3) through a hinge piece.
7. The high vacuum valve with strong airtightness according to claim 1, wherein: the left side of the clamping block (11) is fixedly connected with a shifting block (20), and the outer surface of the shifting block (20) is fixedly connected with a plastic cap (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453178.3U CN215568729U (en) | 2021-06-28 | 2021-06-28 | High vacuum valve that gas tightness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453178.3U CN215568729U (en) | 2021-06-28 | 2021-06-28 | High vacuum valve that gas tightness is strong |
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| Publication Number | Publication Date |
|---|---|
| CN215568729U true CN215568729U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121453178.3U Active CN215568729U (en) | 2021-06-28 | 2021-06-28 | High vacuum valve that gas tightness is strong |
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| CN (1) | CN215568729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923048A (en) * | 2022-05-27 | 2022-08-19 | 武汉怡瑞林电子科技有限公司 | Low-nitrogen combustor with pipeline connecting piece and connecting method thereof |
-
2021
- 2021-06-28 CN CN202121453178.3U patent/CN215568729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923048A (en) * | 2022-05-27 | 2022-08-19 | 武汉怡瑞林电子科技有限公司 | Low-nitrogen combustor with pipeline connecting piece and connecting method thereof |
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