CN114277916B - Side opening flap valve with stable butt joint function - Google Patents
Side opening flap valve with stable butt joint function Download PDFInfo
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- CN114277916B CN114277916B CN202111541900.3A CN202111541900A CN114277916B CN 114277916 B CN114277916 B CN 114277916B CN 202111541900 A CN202111541900 A CN 202111541900A CN 114277916 B CN114277916 B CN 114277916B
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- 230000008407 joint function Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000006870 function Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a side-opening flap valve with a stable butt joint function, which comprises a door frame and four door leaves, wherein the door leaves are positioned at the top of the door frame, a limiting frame is arranged in an inner cavity of the door frame, two sides of the front side and the rear side of the door frame are fixedly connected with supporting frames, and the top of each supporting frame is fixedly connected with a supporting plate. Through setting up door leaf, the gag lever post, spacing hole, the cooperation of movable groove and positioning mechanism is used, when lead to door leaf deformation or skew after long-time use, the door page downwardly pulling that will damage, the gag lever post leaves the inner chamber of spacing hole and movable groove, then reset new door page, the door page drives the gag lever post and passes spacing hole and get into the inner chamber of movable groove, then fix the gag lever post through positioning mechanism, accomplish the change, the majority of having solved current side-opening flap valve does not possess the quick replacement ability to the door page, thereby take place deformation or skew easily after last time use and lead to the problem that sealing performance is poor.
Description
Technical Field
The invention belongs to the technical field of side opening doors, and particularly relates to a side opening door with a stable butt joint function.
Background
The flap valve is installed in drainage pipe's tail end, has the check valve that prevents the external water and flow backward the function, and the side is opened the flap valve and is belongs to one of flap valve, and prior art exists the problem: most of the existing side opening doors do not have the capability of quickly disassembling and assembling the door leaves, and when the door leaves are used for a long time, the door leaves are easy to deform or deviate, so that the sealing performance is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the side opening flap valve with the stable butt joint function, has the advantage of quick replacement of the door leaf, and solves the problem that most of the existing side opening flap valves do not have the capability of quick replacement of the door leaf, and the door leaf is easy to deform or deviate after being used for a long time, so that the sealing performance is poor.
The side opening flap valve with the stable butt joint function comprises a door frame and four door leaves, wherein the door leaves are positioned at the top of the door frame, a limiting frame is arranged in an inner cavity of the door frame, two sides of the front side and the rear side of the door frame are fixedly connected with supporting frames, the top of each supporting frame is fixedly connected with a supporting plate, the surface of each supporting plate is fixedly connected with a rotary column, the surface of each rotary column is sleeved with a rotary block matched with the door leaves, the bottom of each rotary block is provided with a movable groove, the top of each door leaf is fixedly connected with a limiting rod, the bottom of each movable groove is provided with a limiting hole, the top of each limiting rod penetrates through the corresponding limiting hole and extends to an inner cavity of each movable groove, the top of each movable groove is provided with an adjusting mechanism matched with the corresponding locating mechanism, the surface of each limiting rod is provided with a fixing groove matched with the corresponding locating mechanism, the left side of each door leaf is provided with a first connecting groove, the right side of each door leaf is sleeved with a rotary block matched with the corresponding door leaf, the left side of each door leaf is provided with a movable groove, the corresponding door leaf is provided with a second connecting groove, the top of each door leaf is provided with a connecting rod matched with a connecting rod, the corresponding connecting rod is provided with a pin, and the top of each connecting rod is fixedly connected with the top of the door leaves.
As the preferable one of the invention, the positioning mechanism comprises a fixed rod, one side of the fixed rod, which is close to the limiting rod, extends to the inner cavity of the fixed groove, one side of the fixed rod, which is far away from the limiting rod, is fixedly connected with a fixed plate matched with the adjusting mechanism, the top and the bottom of one side, which are opposite, of the two fixed plates are fixedly connected with positioning rods, one side, which is opposite to the two fixed plates, is provided with a positioning block, one side, which is close to the positioning block, of the fixed rod extends to the inner cavity of the positioning block, and one side, which is close to the positioning block, of the fixed plate is fixedly connected with a tension spring.
As the preferable one of the invention, the adjusting mechanism comprises a pull rod, one side of the pull rod, which is close to the limit rod, extends to the inner cavity of the movable groove, the bottom of the pull rod is fixedly connected with a movable plate, two sides of the movable plate are fixedly connected with clamping rods, clamping blocks are sleeved on the surfaces of the clamping rods, the bottom of the movable plate is fixedly connected with the movable rod, and the bottom of the movable rod is provided with a movable block matched with the fixed plate.
As preferable in the invention, one side of the limit frame, which is close to the inner wall of the door frame, is fixedly connected with the inner wall of the door frame, one side of the rotary block, which is close to the surface of the rotary column, is contacted with the surface of the rotary column, and one side of the limit rod, which is close to the inner wall of the limit hole, is contacted with the inner wall of the limit hole.
Preferably, the bottom of the connecting rod is movably connected with the inner wall of the first connecting groove through a rotating shaft, and the top of the connecting pin penetrates through the inner wall of the second connecting groove and extends to the inner cavity of the second connecting groove.
As preferable in the invention, one side of the fixed rod, which is close to the inner wall of the fixed groove, is contacted with the inner wall of the fixed groove, the front side and the rear side of the positioning block are fixedly connected with the inner wall of the movable groove, and one side of the tension spring, which is close to the positioning block, is fixedly connected with the positioning block.
As preferable in the invention, one side of the clamping rod, which is close to the inner wall of the clamping block, is contacted with the inner wall of the clamping block, and the front side and the rear side of the clamping block are fixedly connected with the inner wall of the movable groove.
Preferably, the bottom of the movable rod is contacted with the movable block, and one side of the movable block, which is close to the fixed plate, is fixedly connected with the fixed plate.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched use of the door leaf, the limiting rod, the limiting hole, the movable groove and the positioning mechanism, when the door leaf is deformed or deflected after long-time use, the damaged door leaf is pulled downwards, the limiting rod leaves the inner cavities of the limiting hole and the movable groove, then a new door leaf is reset, the door leaf drives the limiting rod to pass through the limiting hole and enter the inner cavity of the movable groove, then the limiting rod is fixed through the positioning mechanism, and replacement is completed, so that the problems that most of existing side-opening doors do not have the capability of quickly replacing the door leaf, and when the door leaf is deformed or deflected easily after long-time use, the sealing performance is poor are solved.
2. According to the invention, the positioning mechanism is arranged, so that the position of the limiting rod can be fixed and limited, and the influence of the movement of the limiting rod on the positioning capability of the door leaf is prevented.
3. The invention can adjust the position of the fixing plate by arranging the adjusting mechanism, thereby being convenient for users to use.
4. According to the invention, the position of the door leaf can be limited by arranging the limiting frame, the door leaf can be adjusted by arranging the rotating block and the rotating column, and the door leaf can be rapidly limited by arranging the limiting rod and the limiting hole.
5. According to the invention, the door leaves at two sides can be conveniently abutted by arranging the connecting rods, and the positions of the connecting rods can be limited by arranging the connecting pins.
6. According to the invention, the fixing rod and the fixing groove are arranged, so that the position of the limiting rod can be fixed and limited, the positioning block is arranged, the position of the positioning rod can be limited, and the tension spring is arranged, so that the fixing plate can be reset after moving.
7. According to the invention, the clamping blocks and the clamping rods are arranged, so that the position of the movable plate can be limited.
8. The movable rod and the movable block are arranged, so that the position of the fixed plate can be adjusted, and the movable rod is convenient for a user to use.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a door frame and a support bracket provided in an embodiment of the present invention;
FIG. 3 is a perspective view of a partial structure provided by an embodiment of the present invention;
FIG. 4 is a top cross-sectional view of a structure provided by an embodiment of the present invention;
FIG. 5 is a front cross-sectional view of a partial structure provided by an embodiment of the present invention;
fig. 6 is a partial enlarged view of fig. 5 at a provided by an embodiment of the present invention.
In the figure: 1. a door frame; 2. a door leaf; 3. a limiting frame; 4. a support frame; 5. a support plate; 6. a rotating column; 7. a rotating block; 8. a movable groove; 9. a limit rod; 10. a limiting hole; 11. a positioning mechanism; 1101. a fixed rod; 1102. a fixing plate; 1103. a positioning rod; 1104. a positioning block; 1105. a tension spring; 12. an adjusting mechanism; 1201. a pull rod; 1202. a movable plate; 1203. a clamping rod; 1204. a clamping block; 1205. a movable rod; 1206. a movable block; 13. a fixing groove; 14. a first connection groove; 15. a second connecting groove; 16. a connecting rod; 17. a connecting pin; 18. a pin hole; 19. a handle.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in 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 to 6, the side-opening flap valve with a stable butt joint function provided by the embodiment of the invention comprises a door frame 1 and four door leaves 2, wherein the door leaves 2 are positioned at the top of the door frame 1, a limiting frame 3 is arranged in an inner cavity of the door frame 1, two sides of the front side and the rear side of the door frame 1 are fixedly connected with a supporting frame 4, the top of the supporting frame 4 is fixedly connected with a supporting plate 5, the surface of the supporting plate 5 is fixedly connected with a rotary column 6, the surface of the rotary column 6 is sleeved with a rotary block 7 matched with the door leaves 2, the bottom of the rotary block 7 is provided with a movable groove 8, the top of the door leaves 2 is fixedly connected with a limiting rod 9, the bottom of the movable groove 8 is provided with a limiting hole 10, the top of the limiting rod 9 penetrates through the limiting hole 10 and extends to the inner cavity of the movable groove 8, an adjusting mechanism 12 matched with the limiting rod 9 is arranged at the top of the inner cavity of the movable groove 8, the surface of the limiting rod 9 is provided with a fixed groove 13 matched with the positioning mechanism 11, the right side of the left door leaf 2 is provided with a first connecting rod 14, the right side of the left door leaf 2 is provided with a connecting rod 16 is provided with a connecting pin 16, the top of the connecting rod 16 is provided with a connecting rod 16, and the top of the connecting rod 16 is provided with a connecting pin 16, and the top of the connecting rod 16 is provided with the connecting rod 16.
Referring to fig. 6, the positioning mechanism 11 includes a fixing rod 1101, one side of the fixing rod 1101, which is close to the limiting rod 9, extends to the inner cavity of the fixing groove 13, one side of the fixing rod 1101, which is far away from the limiting rod 9, is fixedly connected with a fixing plate 1102, which is matched with the adjusting mechanism 12, positioning rods 1103 are fixedly connected to the top and the bottom of the opposite sides of the two fixing plates 1102, a positioning block 1104 is arranged on the opposite sides of the two fixing plates 1102, one side of the positioning rod 1103, which is close to the positioning block 1104, extends to the inner cavity of the positioning block 1104, and a tension spring 1105 is fixedly connected to the side of the fixing plate 1102, which is close to the positioning block 1104.
The scheme is adopted: through setting up positioning mechanism 11, can fix and spacing the position of gag lever post 9, prevent that gag lever post 9 from removing the locate ability that influences door leaf 2.
Referring to fig. 6, the adjusting mechanism 12 includes a pull rod 1201, one side of the pull rod 1201 near the limiting rod 9 extends to the inner cavity of the movable slot 8, the bottom of the pull rod 1201 is fixedly connected with a movable plate 1202, both sides of the movable plate 1202 are fixedly connected with clamping rods 1203, clamping blocks 1204 are sleeved on the surfaces of the clamping rods 1203, the bottom of the movable plate 1202 is fixedly connected with a movable rod 1205, and a movable block 1206 matched with the fixed plate 1102 is arranged at the bottom of the movable rod 1205.
The scheme is adopted: by providing the adjustment mechanism 12, the position of the fixing plate 1102 can be adjusted for convenient use by a user.
Referring to fig. 2, 3, 4 and 5, one side of the limit frame 3, which is close to the inner wall of the door frame 1, is fixedly connected with the inner wall of the door frame 1, one side of the rotary block 7, which is close to the surface of the rotary column 6, is in contact with the surface of the rotary column 6, and one side of the limit rod 9, which is close to the inner wall of the limit hole 10, is in contact with the inner wall of the limit hole 10.
The scheme is adopted: through setting up spacing 3, can carry out spacingly to the position of door leaf 2, through setting up turning block 7 and revolving post 6, can adjust door leaf 2, through setting up gag lever post 9 and spacing hole 10, can carry out spacingly to door leaf 2 fast.
Referring to fig. 4, the bottom of the connection rod 16 is movably connected with the inner wall of the first connection groove 14 through a rotation shaft, and the top of the connection pin 17 passes through the inner wall of the second connection groove 15 and extends to the inner cavity of the second connection groove 15.
The scheme is adopted: through setting up connecting rod 16, can make things convenient for the door leaf 2 butt joint of both sides, through setting up connecting pin 17, can carry out spacingly to the position of connecting rod 16.
Referring to fig. 6, a side of the fixing lever 1101 near the inner wall of the fixing groove 13 contacts the inner wall of the fixing groove 13, the front side and the rear side of the positioning block 1104 are fixedly connected with the inner wall of the movable groove 8, and a side of the tension spring 1105 near the positioning block 1104 is fixedly connected with the positioning block 1104.
The scheme is adopted: the fixing rod 1101 and the fixing groove 13 are provided, the position of the limiting rod 9 can be fixed and limited, the positioning block 1104 is provided, the position of the positioning rod 1103 can be limited, and the fixing plate 1102 can be reset after being moved by the tension spring 1105.
Referring to fig. 6, one side of the clamping rod 1203, which is close to the inner wall of the clamping block 1204, is in contact with the inner wall of the clamping block 1204, and the front side and the rear side of the clamping block 1204 are fixedly connected with the inner wall of the movable groove 8.
The scheme is adopted: by providing the clip 1204 and the clip 1203, the position of the movable plate 1202 can be limited.
Referring to fig. 6, the bottom of the movable rod 1205 is in contact with the movable block 1206, and one side of the movable block 1206 near the fixed plate 1102 is fixedly connected with the fixed plate 1102.
The scheme is adopted: by providing the movable rod 1205 and the movable block 1206, the position of the fixed plate 1102 can be adjusted for convenient use by a user.
The working principle of the invention is as follows:
when in use, a user needs to butt the door leaves 2 in pairs, the user pulls the handles 19, the handles 19 drive the connecting rods 16 to rotate, the connecting rods 16 enter the inner cavity of the second connecting groove 15, then the connecting pins 17 are pushed downwards, the connecting pins 17 enter the inner cavity of the pin holes 18, when the door leaves 2 deform or deflect after long-time use, the user pulls the pull rod 1201, the pull rod 1201 drives the movable plate 1202 to move, the movable plate 1202 drives the clamping blocks 1204 to slide in the inner cavity of the clamping blocks 1204, the movable block 1206 drives the movable rod 1205 to move, the movable rod 1205 extrudes the movable block 1206, the movable block 1206 is stressed and drives the fixed plate 1102 to move, the fixed plate 1102 drives the positioning rod 1103 to slide in the inner cavity of the positioning block 1104 and stretch the tension spring 1105, the fixed plate 1102 drives the fixed rod 1101 to move, the fixed rod 1101 leaves the inner cavity of the fixed groove 13, then the damaged door leaves the inner cavity of the limiting hole 10 and the inner cavity of the movable groove 8, then the door leaves 2 is reset, the door leaves 2 to drive the limiting rod 9 to pass through the limiting hole 10 to enter the inner cavity of the movable groove 8, then the tension spring 1101 is released, and the tension spring 1101 is reset to enter the inner cavity of the fixed groove 1101 after the tension spring 1101 is released, and the tension spring 1101 is replaced.
To sum up: this possess side of stable butt joint function and open a shutter through setting up door leaf 2, gag lever post 9, spacing hole 10, movable groove 8 and positioning mechanism 11's cooperation is used, when lead to door leaf 2 deformation or skew after long-time use, will damage door leaf 2 downwardly pulling, gag lever post 9 leaves the inner chamber of spacing hole 10 and movable groove 8, then reset new door leaf 2, door leaf 2 drives gag lever post 9 and passes spacing hole 10 and get into the inner chamber of movable groove 8, then fix gag lever post 9 through positioning mechanism 11, accomplish the change, the majority of current side open a shutter does not possess the quick replacement ability to the door leaf, thereby take place deformation or skew easily after last time and lead to the problem of sealing performance variation.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a side of possessing stable butt joint function opens door, includes door frame (1) and four door pages (2), its characterized in that: the door leaf (2) is located the top of door frame (1), the inner chamber of door frame (1) is provided with spacing (3), the both sides of door frame (1) front side and rear side are all fixedly connected with support frame (4), the top fixedly connected with backup pad (5) of support frame (4), the fixed surface of backup pad (5) is connected with revolving post (6), the surface cover of revolving post (6) is equipped with revolving block (7) that AND gate leaf (2) used in cooperation, movable groove (8) have been seted up to the bottom of revolving block (7), the top fixedly connected with gag lever post (9) of door leaf (2), spacing hole (10) have been seted up to the bottom of movable groove (8), spacing hole (10) are passed at the top of gag lever post (9) and are extended to the inner chamber of movable groove (8), the inner chamber of movable groove (8) be provided with locating mechanism (11) that use with gag lever post (9) cooperation, the top of inner chamber of movable groove (8) is provided with locating mechanism (11) cooperation use, adjustment mechanism (12) that use with locating mechanism (11) have been seted up on the bottom of door leaf (2), the bottom of locating groove (8) has been seted up on the left side (14) and has a fixed groove (13), the left side of the door leaf (2) on the right side is provided with a second connecting groove (15), the inner cavity of the first connecting groove (14) is provided with a connecting rod (16), the inner cavity of the second connecting groove (15) is provided with a connecting pin (17), the top of the connecting rod (16) is provided with a pin hole (18) matched with the connecting pin (17), the top of the connecting rod (16) is fixedly connected with a handle (19), and the top of the handle (19) penetrates through the first connecting groove (14) and extends to the top of the door leaf (2);
the positioning mechanism (11) comprises a fixing rod (1101), one side, close to a limiting rod (9), of the fixing rod (1101) extends to an inner cavity of a fixing groove (13), one side, far away from the limiting rod (9), of the fixing rod (1101) is fixedly connected with a fixing plate (1102) matched with an adjusting mechanism (12), the top and the bottom of the opposite sides of the two fixing plates (1102) are fixedly connected with positioning rods (1103), positioning blocks (1104) are arranged on the opposite sides of the two fixing plates (1102), one side, close to the positioning blocks (1104), of the positioning rods (1103) extends to the inner cavity of the positioning blocks (1104), and one side, close to the positioning blocks (1104), of the fixing plates (1102) is fixedly connected with tension springs (1105);
the adjusting mechanism (12) comprises a pull rod (1201), one side of the pull rod (1201) close to a limit rod (9) extends to an inner cavity of the movable groove (8), a movable plate (1202) is fixedly connected to the bottom of the pull rod (1201), clamping rods (1203) are fixedly connected to two sides of the movable plate (1202), clamping blocks (1204) are sleeved on the surfaces of the clamping rods (1203), movable rods (1205) are fixedly connected to the bottoms of the movable plate (1202), and movable blocks (1206) matched with the fixed plates (1102) are arranged at the bottoms of the movable rods (1205).
2. The side-opening flap valve with stable docking function as claimed in claim 1, wherein: one side of the limiting frame (3) close to the inner wall of the door frame (1) is fixedly connected with the inner wall of the door frame (1), one side of the rotating block (7) close to the surface of the rotating column (6) is in contact with the surface of the rotating column (6), and one side of the limiting rod (9) close to the inner wall of the limiting hole (10) is in contact with the inner wall of the limiting hole (10).
3. The side-opening flap valve with stable docking function as claimed in claim 1, wherein: the bottom of the connecting rod (16) is movably connected with the inner wall of the first connecting groove (14) through a rotating shaft, and the top of the connecting pin (17) penetrates through the inner wall of the second connecting groove (15) and extends to the inner cavity of the second connecting groove (15).
4. The side-opening flap valve with stable docking function as claimed in claim 1, wherein: one side of the fixed rod (1101) close to the inner wall of the fixed groove (13) is in contact with the inner wall of the fixed groove (13), the front side and the rear side of the positioning block (1104) are fixedly connected with the inner wall of the movable groove (8), and one side of the tension spring (1105) close to the positioning block (1104) is fixedly connected with the positioning block (1104).
5. The side-opening flap valve with stable docking function as claimed in claim 1, wherein: one side of the clamping rod (1203) close to the inner wall of the clamping block (1204) is in contact with the inner wall of the clamping block (1204), and the front side and the rear side of the clamping block (1204) are fixedly connected with the inner wall of the movable groove (8).
6. The side-opening flap valve with stable docking function as claimed in claim 1, wherein: the bottom of the movable rod (1205) is in contact with the movable block (1206), and one side of the movable block (1206) close to the fixed plate (1102) is fixedly connected with the fixed plate (1102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541900.3A CN114277916B (en) | 2021-12-16 | 2021-12-16 | Side opening flap valve with stable butt joint function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541900.3A CN114277916B (en) | 2021-12-16 | 2021-12-16 | Side opening flap valve with stable butt joint function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114277916A CN114277916A (en) | 2022-04-05 |
| CN114277916B true CN114277916B (en) | 2023-11-24 |
Family
ID=80872771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111541900.3A Active CN114277916B (en) | 2021-12-16 | 2021-12-16 | Side opening flap valve with stable butt joint function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114277916B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800557A (en) * | 2022-04-27 | 2022-07-29 | 安徽松源精密机械有限公司 | Industrial robot handling device |
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| DE102019107646A1 (en) * | 2018-05-08 | 2019-11-14 | Hawle Armaturen Gmbh | Sewage knife gate valve |
| CN209760420U (en) * | 2019-03-19 | 2019-12-10 | 永嘉中特阀门有限公司 | Manual round gate |
| CN210949902U (en) * | 2019-11-27 | 2020-07-07 | 天长市中天实业有限责任公司 | Double-leaf flap valve capable of self-protection |
| CN212227074U (en) * | 2020-04-27 | 2020-12-25 | 盐城宝泽电力石化机械制造有限公司 | Multi-blade steel round air door |
| CN212251190U (en) * | 2020-05-27 | 2020-12-29 | 江苏飞冠机械制造有限公司 | Electric circular air door convenient to install |
| CN212690849U (en) * | 2020-06-16 | 2021-03-12 | 江苏航天水力设备有限公司 | Self-closing flap valve |
| CN214657628U (en) * | 2021-01-13 | 2021-11-09 | 武安市建峰铸造有限公司 | Municipal road is with theftproof type sewer well lid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2696313B2 (en) * | 1995-11-08 | 1998-01-14 | 大同機工株式会社 | Flap gate for sewer |
| JP5763601B2 (en) * | 2012-09-14 | 2015-08-12 | 株式会社昇和産業 | Water stop device |
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2021
- 2021-12-16 CN CN202111541900.3A patent/CN114277916B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019107646A1 (en) * | 2018-05-08 | 2019-11-14 | Hawle Armaturen Gmbh | Sewage knife gate valve |
| CN209760420U (en) * | 2019-03-19 | 2019-12-10 | 永嘉中特阀门有限公司 | Manual round gate |
| CN210949902U (en) * | 2019-11-27 | 2020-07-07 | 天长市中天实业有限责任公司 | Double-leaf flap valve capable of self-protection |
| CN212227074U (en) * | 2020-04-27 | 2020-12-25 | 盐城宝泽电力石化机械制造有限公司 | Multi-blade steel round air door |
| CN212251190U (en) * | 2020-05-27 | 2020-12-29 | 江苏飞冠机械制造有限公司 | Electric circular air door convenient to install |
| CN212690849U (en) * | 2020-06-16 | 2021-03-12 | 江苏航天水力设备有限公司 | Self-closing flap valve |
| CN214657628U (en) * | 2021-01-13 | 2021-11-09 | 武安市建峰铸造有限公司 | Municipal road is with theftproof type sewer well lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114277916A (en) | 2022-04-05 |
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