CN213512121U - Safety-level nuclear island air valve - Google Patents
Safety-level nuclear island air valve Download PDFInfo
- Publication number
- CN213512121U CN213512121U CN202021832646.3U CN202021832646U CN213512121U CN 213512121 U CN213512121 U CN 213512121U CN 202021832646 U CN202021832646 U CN 202021832646U CN 213512121 U CN213512121 U CN 213512121U
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- bending
- valve frame
- aerofoil
- nuclear island
- dwang
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Abstract
The utility model discloses a security level nuclear island blast gate, including the valve frame, the table wall all is provided with the sealing strip in the top bottom of valve frame, the inside of valve frame is connected with the aerofoil of bending through the dwang, be provided with sealed the pad on the bottom lateral wall of the aerofoil of bending, the preceding terminal surface that the tip of dwang runs through the valve frame has connected gradually flexible rotor and nut cover, the tip of flexible rotor and the rack swing joint of setting terminal surface before the valve frame, the preceding terminal surface of valve frame is provided with the gear of being connected with rack toothing. The utility model discloses in, when needing to be changed the aerofoil of bending, close the nut cover on the dwang and dismantle, demolish flexible rotor, then take out from the valve frame the dwang that will change the aerofoil of bending for dwang and the aerofoil separation of bending, when making one of them or several aerofoil of bending damage, need not change all the aerofoil of bending, reduced the cost of maintenance of security level nuclear island blast gate.
Description
Technical Field
The utility model relates to an air valve technical field especially relates to a security level nuclear island air valve.
Background
The air valve is an indispensable central air-conditioning end fitting in ventilation, air conditioning and air purification projects of industrial factory buildings and civil buildings, is generally used in air conditioners and ventilation system pipelines, is used for adjusting the air quantity of branch pipes, and can also be used for mixing and adjusting fresh air and return air.
The existing nuclear island air valve is generally provided with a plurality of air plates, and once one air plate is damaged, the air plates need to be disassembled for replacement or maintenance, so that a large amount of time is wasted, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the safety-level nuclear island air valve is provided for solving the problem of high maintenance cost of the nuclear island air valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a security level nuclear island blast gate, includes the valve frame, the table wall all is provided with the sealing strip in the top bottom of valve frame, the inside of valve frame is connected with the aerofoil of bending through the dwang, be provided with sealed the pad on the bottom lateral wall of the aerofoil of bending, the preceding terminal surface that the tip of dwang runs through the valve frame has connected gradually flexible rotor and nut cover, the tip and the rack swing joint who sets up the terminal surface before the valve frame of flexible rotor, the preceding terminal surface of valve frame is provided with the gear of being connected with rack toothing, the axle center of gear is connected with actuating mechanism.
As a further description of the above technical solution:
one side of the front end face of the valve frame is provided with a sliding groove in the vertical direction, and the rack is connected with the sliding groove in a sliding mode.
As a further description of the above technical solution:
the dwang is provided with symmetrically distributed protruding sections, and the bent air plate and the telescopic rotary piece are provided with through holes matched with each other.
As a further description of the above technical solution:
the end part of the rotating rod is connected with the nut sleeve in a screwing mode through threads.
As a further description of the above technical solution:
the wind plates are at least four and vertically distributed, and the end parts of two adjacent wind plates are in sealing butt joint through sealing gaskets.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, when needing to be changed the aerofoil of bending, close the nut cover on the dwang and dismantle, demolish flexible rotor, then take out from the valve frame the dwang that will change the aerofoil of bending for dwang and the aerofoil separation of bending, when making one of them or several aerofoil of bending damage, need not change all the aerofoil of bending, reduced the cost of maintenance of security level nuclear island blast gate.
2. The utility model discloses in, actuating mechanism drives the gear revolve, the rotation of gear drives the rack and slides in vertical direction along the spout, when the rack upwards slides, flexible rotor carries out the self-adaptation and rotates, the rotation of flexible rotor drives dwang counter-clockwise turning, the dwang drives the aerofoil anticlockwise rotation of bending, make the aerofoil of bending open gradually, realize the ventilation of valve frame, when the rack slides down, the aerofoil of bending then closes gradually, and the tip respectively with sealing strip and the sealed butt of packing, prevent the phenomenon of leaking out, the sealed effect of nuclear island blast gate has been improved greatly.
Drawings
Fig. 1 shows a schematic front view structural diagram of a safety-level nuclear island blast gate provided according to an embodiment of the present invention;
fig. 2 shows a schematic front view structural diagram of a safety-level nuclear island air valve with a hidden driving mechanism according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a front view cross-sectional view of a safety-level nuclear island blast gate according to an embodiment of the present invention;
fig. 4 shows an enlarged schematic structural diagram of a part a of a safety-level nuclear island air valve provided according to an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a connection structure of a rotating rod and a gear of a safety-level nuclear island blast gate provided according to an embodiment of the present invention;
fig. 6 shows a schematic structural diagram of a safety-level nuclear island air valve telescopic rotary vane provided according to an embodiment of the present invention;
illustration of the drawings:
1. a valve frame; 101. a chute; 2. rotating the rod; 201. a convex section; 3. bending the air plate; 4. a telescopic rotary sheet; 5. a rack; 6. a through hole; 7. a gear; 8. a drive mechanism; 9. a sealing strip; 10. a gasket; 11. and a nut sleeve.
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 of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a security level nuclear island blast gate, including valve frame 1, the table wall all is provided with sealing strip 9 in the top bottom of valve frame 1, improve the leakproofness of aerofoil 3 and valve frame 1 of bending, the inside of valve frame 1 is connected with aerofoil 3 of bending through dwang 2, be provided with sealed pad 10 on the bottom lateral wall of aerofoil 3 of bending, strengthen the leakproofness between two adjacent aerofoil 3 of bending, the tip of dwang 2 runs through the preceding terminal surface of valve frame 1 and has connected gradually flexible rotary vane 4 and nut cover 11, the tip of flexible rotary vane 4 and the rack 5 swing joint of setting at valve frame 1 preceding terminal surface, the preceding terminal surface of valve frame 1 is provided with the gear 7 of being connected with rack 5 meshing, the axle center of gear 7 is connected with actuating mechanism 8, drive gear 7 through actuating mechanism 8 and rotate, the rotation of gear 7 drives rack 5 and reciprocates.
Specifically, as shown in fig. 2, a sliding groove 101 in the vertical direction is formed in one side of the front end surface of the valve frame 1, and the rack 5 is slidably connected to the sliding groove 101 to ensure that the rack 5 slides stably in the vertical direction.
Specifically, as shown in fig. 4, the rotating rod 2 is provided with the protruding sections 201 which are symmetrically distributed, and the bending air plate 3 and the telescopic rotary piece 4 are provided with the through holes 6 which are matched with each other, so that the rotating rod 2 can be conveniently installed on the bending air plate 3 and the telescopic rotary piece 4.
Specifically, as shown in fig. 5, the end of the rotating rod 2 is screwed to the nut sleeve 11 through a thread, and the nut sleeve 11 is screwed to the rotating rod 2, which is beneficial to improving the disassembling efficiency.
Specifically, as shown in fig. 3, at least four bending air plates 3 are arranged and vertically distributed, and the end portions of two adjacent bending air plates 3 are in sealing abutting connection through a sealing gasket 10, so that good sealing performance is guaranteed when the bending air plates 3 are closed.
The working principle is as follows: when the air valve is used, the driving mechanism 8 is started, the driving mechanism 8 drives the gear 7 to rotate, the rack 5 is driven to slide in the vertical direction along the sliding groove 101 by the rotation of the gear 7, when the rack 5 slides upwards, the telescopic rotary vane 4 rotates in a self-adaptive mode, the rotary vane 4 rotates to drive the rotary vane 2 to rotate anticlockwise, the rotary vane 2 drives the bending air plate 3 to rotate anticlockwise, the bending air plate 3 is gradually opened, the ventilation of the valve frame 1 is realized, when the rack 5 slides downwards, the bending air plate 3 is gradually closed, the end portions of the bending air plate are respectively in sealing butt joint with the sealing strip 9 and the sealing gasket 10, the air leakage phenomenon is prevented, and the sealing effect of the air valve of the nuclear island is greatly improved; when the air flap 3 of bending need to be changed, close the dismantlement on the dwang 2 with nut cover 11, demolish flexible rotor 4, then take out from valve frame 1 the dwang 2 that will change air flap 3 of bending for dwang 2 separates with air flap 3 of bending, when making one of them or several air flap 3 of bending damage, need not change all air flaps 3 of bending, has reduced the cost of maintenance of security level nuclear island air valve.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a security level nuclear island blast gate, includes valve frame (1), its characterized in that, the table wall all is provided with sealing strip (9) in the top bottom of valve frame (1), the inside of valve frame (1) is connected with aerofoil (3) of bending through dwang (2), be provided with sealed pad (10) on the bottom lateral wall of aerofoil (3) of bending, the preceding terminal surface that the tip of dwang (2) runs through valve frame (1) has connected gradually flexible rotary vane (4) and nut cover (11), the tip of flexible rotary vane (4) and rack (5) swing joint who sets up terminal surface before valve frame (1), the preceding terminal surface of valve frame (1) is provided with gear (7) of being connected with rack (5) meshing, the axle center of gear (7) is connected with actuating mechanism (8).
2. The safety grade nuclear island air valve is characterized in that one side of the front end face of the valve frame (1) is provided with a vertical sliding groove (101), and the rack (5) is in sliding connection with the sliding groove (101).
3. The safety-class nuclear island blast gate valve according to claim 1, characterized in that the rotating rod (2) has symmetrically distributed protruding sections (201), and the bending blast gate (3) and the telescopic rotary vane (4) both have adaptive through holes (6).
4. A safety grade nuclear island blast gate valve according to claim 1, characterized in that the end of the turning rod (2) is screwed with the nut sleeve (11).
5. The safety-class nuclear island air valve according to claim 1, characterized in that the bent air plates (3) are at least four and vertically distributed, and the end parts of two adjacent bent air plates (3) are in sealing abutment through a sealing gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832646.3U CN213512121U (en) | 2020-08-28 | 2020-08-28 | Safety-level nuclear island air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832646.3U CN213512121U (en) | 2020-08-28 | 2020-08-28 | Safety-level nuclear island air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512121U true CN213512121U (en) | 2021-06-22 |
Family
ID=76442988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021832646.3U Active CN213512121U (en) | 2020-08-28 | 2020-08-28 | Safety-level nuclear island air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819298A (en) * | 2021-08-25 | 2021-12-21 | 华能八〇三热电有限公司 | Connecting pipe valve detects self-closing system |
-
2020
- 2020-08-28 CN CN202021832646.3U patent/CN213512121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819298A (en) * | 2021-08-25 | 2021-12-21 | 华能八〇三热电有限公司 | Connecting pipe valve detects self-closing system |
| CN113819298B (en) * | 2021-08-25 | 2023-12-01 | 华能八〇三热电有限公司 | Connecting pipeline valve detects from closing system |
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