CN116292999A - Side-turning flap valve supporting structure - Google Patents
Side-turning flap valve supporting structure Download PDFInfo
- Publication number
- CN116292999A CN116292999A CN202310593794.6A CN202310593794A CN116292999A CN 116292999 A CN116292999 A CN 116292999A CN 202310593794 A CN202310593794 A CN 202310593794A CN 116292999 A CN116292999 A CN 116292999A
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- Prior art keywords
- hinge
- axial
- hole
- flap valve
- door
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- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hinges (AREA)
Abstract
The invention relates to a side-turning flap valve supporting structure. The invention comprises a door seat hinge seat arranged on a door seat; the support piece extends to the surface of the door seat hinge seat; the hinge shell is connected with the supporting piece and provided with a first limiting end; the hinge shaft is penetrated through the hinge shell and is provided with a second limiting end; the door cover hinge arm is arranged on the door cover, is provided with a rotating part and is rotationally connected with the hinge shaft through the rotating part; when the door seat hinge seat rotates relative to the door cover hinge arm through the rotating part, the rotating part is limited through the first limiting end and the second limiting end, and acting force of the rotating part on the hinge shell and/or the hinge shaft is transferred to the supporting piece. After the side-turning flap valve supporting structure is used, the upper hinge and the lower hinge can be effectively prevented from shifting when the flap valve falls back no matter the flap valve is above the water surface or under the water, so that the problem of flap valve blocking is solved.
Description
Technical Field
The invention relates to a flap valve used at the tail end of a water outlet of an irrigation and drainage and flood control pump station, in particular to a side-turning flap valve supporting structure.
Background
At present, the tail end of the water outlet of most filling and discharging pump stations is in a range with a larger caliber, and an energy-saving side-turning type flap valve is adopted. However, the existing side-turning flap valve has serious problems: when the water pump is stopped and the flap valve falls back, the flap valve cover cannot be completely closed, and even is suspended in the half space, so that the water leakage problem is caused; the motor can generate runaway rotation speed, and the water pump unit can generate lifting phenomenon, so that safety is seriously influenced. The root of these problems is that the upper and lower hinges are displaced, resulting in a smaller friction force for tightening the nut for the hinge than the shearing force when the flap is opened and closed, and thus it is difficult to avoid the displacement of the hinge. To solve this problem, new structures need to be introduced to reduce the risk.
Disclosure of Invention
The invention aims to solve the problems, and provides a side-turning flap valve supporting structure, which can effectively avoid the displacement of an upper hinge and a lower hinge when the flap valve falls back no matter the flap valve is positioned above the water surface or underwater after the flap valve supporting structure is used, so that the problem of flap valve blocking is solved.
In order to solve the above technical problems, the present invention provides a side-turning flap valve supporting structure, comprising:
a door seat hinge seat arranged on the door seat;
the support piece extends to the surface of the door seat hinge seat;
the hinge shell is connected with the supporting piece and provided with a first limiting end;
the hinge shaft is penetrated through the hinge shell and is provided with a second limiting end;
the door cover hinge arm is arranged on the door cover, is provided with a rotating part and is rotationally connected with the hinge shaft through the rotating part;
when the door seat hinge seat rotates relative to the door cover hinge arm through the rotating part, the rotating part is limited through the first limiting end and the second limiting end, and acting force of the rotating part on the hinge shell and/or the hinge shaft is transferred to the supporting piece.
In one embodiment of the invention, the hinge shaft includes first and second axially oppositely disposed ends; a limiting plate is radially arranged along the first end of the hinge shaft, and the limiting plate is the second limiting end; the second end of the hinge shaft extends axially with an axial connection post connected to the hinge housing.
In one embodiment of the invention, the hinge housing has a cylindrical structure and comprises a first axial through hole, a first end and a second end which are axially opposite to each other; the axial connecting column penetrates through the first axial through hole and is connected with a first fastener; the first end of the hinge housing is the first limiting end; the first fastener abuts against the second end of the hinge housing to limit axial displacement of the hinge shaft.
In one embodiment of the present invention, the rotating part has a cylindrical structure, and includes a second axial through hole, and a first end and a second end that are axially opposite to each other; the hinge shaft penetrates through the second axial through hole; the first end of the rotating part is located beside the first end of the hinge housing, and the second end of the rotating part is located beside the limiting plate.
In one embodiment of the present invention, the hinge housing and the rotating portion are both of a cylindrical structure, the limiting plate is of a circular structure, and an outer diameter of the limiting plate is larger than an inner diameter of the second axial through hole in the rotating portion.
In one embodiment of the invention, the support comprises a first support block and a second support block extending from the surface of the door mount hinge mount and connected to the hinge housing; the door seat hinge seat comprises a first end face and a second end face which are oppositely arranged, and the first supporting block and/or the second supporting block comprises a first connecting end and a second connecting end; the first supporting block and the second supporting block are symmetrically arranged along a symmetrical longitudinal section, and the symmetrical longitudinal section is defined as a longitudinal section perpendicular to the first end face on the door seat hinge seat; the first connecting end is an arc-shaped surface which is matched with the surface of the hinge shell in a fitting way, and the second connecting end is a plane which is matched with the second end surface in a fitting way; the second connecting end is connected to the first end face through welding.
In one embodiment of the present invention, the first supporting block and/or the second supporting block includes a side plane and a top surface, the arc surface is disposed between the side plane and the top surface, an included angle between the side plane and the symmetrical longitudinal section is 15-45 °, and a central angle corresponding to the arc surface is 60-75 °.
In one embodiment of the invention, a radial connecting post extends radially along the outer surface of the hinge housing, the radial connecting post passing through the door seat hinge seat and being connected with the first end face and the second end face by a second fastener.
In one embodiment of the invention, the door cover hinge arm is further connected with an opening limiting assembly, and the opening limiting assembly is used for adjusting an included angle between the door seat and the door cover when the metronome door is opened.
In one embodiment of the invention, the opening limiting assembly comprises a mounting shell, an axial locking shaft, a radial locking shaft, an abutting column and a locking piece; the mounting shell is connected to the outer side end of the rotating part and is of a cylindrical structure and comprises a third axial through hole, a first end and a second end which are axially arranged oppositely, a limit column extends into the third axial through hole along the first end of the mounting shell, a fourth axial through hole communicated with the third axial through hole is arranged on the limit column, and the inner diameter of the fourth axial through hole is smaller than that of the third axial through hole; the abutting column is connected in the third axial through hole in a sliding manner and is provided with an abutting disc extending out of the second end of the mounting shell, and the outer diameter of the abutting disc is larger than the inner diameter of the third axial through hole; the axial locking shaft stretches into the fourth axial through hole from the second end stretching into the mounting shell and can be abutted against the abutting column, and the radial locking shaft stretches into the third axial through hole radially and is used for being in contact with the abutting column to limit; the axial locking shaft is arranged between the first end of the installation shell, and the locking piece is arranged between the outer side ends of the installation shell and the radial locking shaft.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the side-turning flap valve supporting structure, when the flap valve is opened and closed, if the rotating part is displaced, the rotating part can be limited to displace through the first limiting end and the second limiting end, acting force of the rotating part on the hinge shell and/or the hinge shaft can be transferred to the supporting piece, the problem of hinge displacement during opening and closing of the existing flap valve is avoided, and further the problems such as flap valve blocking, water flow backflow and water pump reversal possibly caused during opening and closing of the flap valve are solved. After the structure of the invention is used, no matter the flap valve is positioned above the water surface or underwater, the upper hinge and the lower hinge can be effectively prevented from shifting when the flap valve falls back, thereby solving the problem of flap valve blocking.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic view of the overall structure of a side-dump flap valve support structure according to the present invention from one perspective.
FIG. 2 is a schematic overall view of another view of the side-on flap valve support structure of the present invention.
Fig. 3 is a schematic diagram of a front view structure of the opening limiting assembly of the present invention.
Fig. 4 is a cross-sectional isometric view of fig. 3 taken along A-A.
FIG. 5 is a schematic diagram of the front view of the side-turned flap valve support structure of the present invention.
Fig. 6 is a cross-sectional isometric view of fig. 5 taken along the direction B-B.
Fig. 7 is a schematic view of the support structure of the present invention.
Description of the specification reference numerals:
100. a door seat hinge seat;
200. a support; 210a, a first support block; 210b, a second support block; 211a, a first connection end; 211b, a second connection end; 212. a side plane; 213. a top surface;
300. a hinge housing; 310. the first limiting end; 320. a first axial through hole; 330. a first fastener; 340. a radial connecting column; 350. a second fastener;
400. a hinge shaft; 410. the second limiting end; 420. an axial connecting column;
500. a door cover hinge arm; 510. a rotating part; 511. a second axial through hole;
600. an opening limiting assembly; 610. mounting a shell; 611. a third axial through hole; 620. an axial locking shaft; 630. a radial locking shaft; 640. abutting the column; 641. an abutment plate; 650. a locking member; 660. a limit column; 661. and a fourth axial through hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 7, a side-turning flap valve supporting structure of the present invention includes:
a door seat hinge base 100 provided on the door seat;
a supporting member 200 extending from the surface of the door seat hinge base 100;
a hinge housing 300 coupled to the supporter 200 and having a first stopper 310;
the hinge shaft 400 is inserted into the hinge housing 300 and has a second limiting end 410;
a door hinge arm 500 provided on the door, having a rotation part 510, and rotatably connected to the hinge shaft 400 through the rotation part 510;
when the door seat hinge base 100 rotates relative to the door cover hinge arm 500 through the rotating portion 510, the rotating portion 510 is limited by the first limiting end 310 and the second limiting end 410, and the acting force of the rotating portion 510 on the hinge housing 300 and/or the hinge shaft 400 is transferred to the supporting member 200.
Through the above structure, when the flap valve is opened and closed, if the rotating part 510 is displaced, the rotating part 510 is limited to be displaced by the first limiting end 310 and the second limiting end 410, and the acting force of the rotating part 510 on the hinge housing 300 and/or the hinge shaft 400 can be transferred to the supporting piece 200, so that the problem of hinge displacement during the existing flap valve opening and closing is avoided, and further the problems such as flap valve blocking, water flow backflow and water pump reversal which possibly occur during the flap valve opening and closing are solved.
Specifically, referring to fig. 6, the hinge shaft 400 includes a first end and a second end disposed axially opposite each other; a limiting plate is radially arranged along the first end of the hinge shaft 400, and the limiting plate is the second limiting end 410; a second end of the hinge shaft 400 is axially extended with an axial connection post 420 connected to the hinge housing 300.
With continued reference to fig. 6, the hinge housing 300 has a cylindrical structure, and includes a first axial through hole 320, and a first end and a second end disposed axially opposite to each other; the axial connection post 420 passes through the first axial through hole 320 and is connected with a first fastener 330; the first end of the hinge housing 300 is the first limiting end 310; the first fastener 330 abuts against the second end of the hinge housing 300 to limit the axial displacement of the hinge shaft 400. In this embodiment, the axial connection post 420 is provided with a threaded structure, and the first fastener 330 includes a nut, a washer, and the like.
With continued reference to fig. 6, the rotating portion 510 has a cylindrical structure, and includes a second axial through hole 511, and a first end and a second end disposed opposite to each other in an axial direction; the hinge shaft 400 passes through the second axial through hole 511; the first end of the rotating portion 510 is located beside the first end of the hinge housing 300, and the second end of the rotating portion 510 is located beside the limiting plate.
With continued reference to fig. 5, the hinge housing 300 and the rotating portion 510 are both in a cylindrical structure, the limiting plate is in a circular structure, and the outer diameter of the limiting plate is greater than the inner diameter of the second axial through hole 511 in the rotating portion 510.
Specifically, referring to fig. 5 and 7, the supporting member 200 includes a first supporting block 210a and a second supporting block 210b extending from the surface of the door seat hinge base 100 and connected to the hinge housing 300; the door seat hinge base 100 includes a first end surface and a second end surface that are disposed opposite to each other, and the first support block 210a and/or the second support block 210b includes a first connection end 211a and a second connection end 211b; the first support block 210a and the second support block 210b are symmetrically arranged along a symmetrical longitudinal section, wherein the symmetrical longitudinal section is defined as a longitudinal section perpendicular to the first end surface on the door seat hinge base (100); the first connection end 211a is an arc surface which is fit with the surface of the hinge housing 300, and the second connection end 211b is a plane fit with the second end surface; the second connection end 211b is connected to the first end surface by welding.
Specifically, referring to fig. 6, a radial connecting post 340 extends radially along the outer surface of the hinge housing 300, and the radial connecting post 340 passes through the door seat hinge seat 100 and is connected with the first end surface and the second end surface by a second fastening member 350. In this embodiment, the connecting post is provided with a threaded structure, and the second fastener 350 includes a nut, a washer, and the like. With the above arrangement, the hinge housing 300 can be easily detached (if the first connection end 211a is also welded to the surface of the hinge housing 300, the hinge housing cannot be detached).
By the arrangement, the first connecting end 211a and the surface of the hinge housing 300 are in surface-to-surface contact, so that the action of shearing force generated during opening and closing of the flap valve is enhanced.
In this embodiment, referring to fig. 5 and 7, the first support block 210a and/or the second support block 210b includes a side plane 212 and a top surface 213, the arc surface is disposed between the side plane 212 and the top surface 213, an included angle between the side plane 212 and the symmetrical longitudinal section is 15-45 °, and a central angle corresponding to the arc surface is 60-75 °.
By setting the included angle between the side plane 212 and the symmetrical longitudinal section to be 15-45 °, and the central angle corresponding to the arc surface to be 60-75 °, the contact surface between the arc surface and the surface of the hinge housing 300 is small if the central angle corresponding to the arc surface is too small, so that the surface of the hinge housing 300 cannot be supported well; if the central angle corresponding to the arc surface is too large, the included angle between the side plane 212 and the symmetrical longitudinal section is smaller, the distance between the two side planes 212 is closer, and the arc surface exceeds the lower arc surface of the hinge housing 300, so that the installation of the hinge housing 300 and the radial connecting column 340 is interfered.
Specifically, referring to fig. 3 and 4, the door hinge arm 500 is further connected with an opening limiting assembly 600, where the opening limiting assembly 600 is used for adjusting an included angle between the door seat and the door cover when the metronome door is opened. The opening limiting assembly 600 includes a mounting housing 610, an axial locking shaft 620, a radial locking shaft 630, an abutment post 640, and a locking member 650; the mounting housing 610 is connected to the outer side of the rotating portion 510, the mounting housing 610 has a cylindrical structure, and includes a third axial through hole 611, and a first end and a second end that are axially opposite to each other, a limiting post 660 extends into the third axial through hole 611 along the first end of the mounting housing 610, the limiting post 660 is provided with a fourth axial through hole 661 that is communicated with the third axial through hole 611, and an inner diameter of the fourth axial through hole 661 is smaller than an inner diameter of the third axial through hole 611; the abutment post 640 is slidably connected in the third axial through hole 611 and is provided with an abutment plate 641 extending out of the second end of the mounting housing 610, and the outer diameter of the abutment plate 641 is larger than the inner diameter of the third axial through hole 611; the axial locking shaft 620 extends from the second end extending into the mounting housing 610 into the fourth axial through hole 661 and can be abutted against the abutment post 640, and the radial locking shaft 630 radially extends into the third axial through hole 611 and is used for contacting with the abutment post 640 for limiting; the locking members 650 are disposed between the axial locking shaft 620 and the first end of the mounting housing 610, and between the radial locking shaft 630 and the outer end of the mounting housing 610.
Through the above arrangement, when the flap valve is opened and closed, if the rotation part 510 is displaced, the rotation part 510 is limited to displace by the first limiting end 310 and the second limiting end 410, and the acting force of the rotation part 510 on the hinge housing 300 and/or the hinge shaft 400 can be transferred to the supporting piece 200, so that the problem of hinge displacement during the existing flap valve opening and closing is avoided, and further the problems such as flap valve blocking, water flow backflow, water pump reversal and the like which possibly occur during the flap valve opening and closing are solved. After the structure of the invention is used, no matter the flap valve is positioned above the water surface or underwater, the upper hinge and the lower hinge can be effectively prevented from shifting when the flap valve falls back, thereby solving the problem of flap valve blocking.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (10)
1. A side-turned flap valve support structure, comprising:
a door seat hinge seat (100) provided on the door seat;
a support (200) extending over the surface of the door mount hinge mount (100);
a hinge housing (300) coupled to the support member (200) and having a first limit end (310);
the hinge shaft (400) is penetrated through the hinge shell (300) and is provided with a second limiting end (410);
a door hinge arm (500) provided on the door, having a rotation part (510), and rotatably connected to the hinge shaft (400) through the rotation part (510);
when the door seat hinge seat (100) rotates relative to the door cover hinge arm (500) through the rotating part (510), the rotating part (510) is limited through the first limiting end (310) and the second limiting end (410), and acting force of the rotating part (510) on the hinge housing (300) and/or the hinge shaft (400) is transferred to the supporting piece (200).
2. A side-turned flap support structure according to claim 1, characterized in that said hinge shaft (400) comprises a first end and a second end axially opposite each other;
a limiting plate is radially arranged along the first end of the hinge shaft (400), and the limiting plate is the second limiting end (410);
the second end of the hinge shaft (400) extends axially with an axial connection post (420) connected to the hinge housing (300).
3. A side-turned flap valve support structure according to claim 2, characterized in that the hinge housing (300) has a cylindrical structure comprising a first axial through hole (320) and a first end and a second end arranged axially opposite each other;
the axial connection post (420) passes through the first axial through hole (320) and is connected with a first fastener (330);
the first end of the hinge housing (300) is the first limit end (310);
the first fastener (330) abuts a second end of the hinge housing (300) to limit axial displacement of the hinge shaft (400).
4. A side-turned flap valve support structure according to claim 3, characterized in that the rotating portion (510) has a cylindrical structure, comprising a second axial through hole (511) and a first end and a second end arranged axially opposite each other;
the hinge shaft (400) passes through the second axial through hole (511);
the first end of the rotating part (510) is located beside the first end of the hinge housing (300), and the second end of the rotating part (510) is located beside the limiting plate.
5. The side-turning flap valve supporting structure according to claim 4, wherein the hinge housing (300) and the rotating portion (510) are both cylindrical structures, the limiting plate is circular structures, and an outer diameter of the limiting plate is larger than an inner diameter of the second axial through hole (511) in the rotating portion (510).
6. The side-turned flap valve support structure according to claim 5, wherein the support member (200) includes a first support block (210 a) and a second support block (210 b) extending from a surface of the door seat hinge base (100) and connected to the hinge housing (300);
the door seat hinge seat (100) comprises a first end face and a second end face which are oppositely arranged, and the first supporting block (210 a) and/or the second supporting block (210 b) comprises a first connecting end (211 a) and a second connecting end (211 b) which are oppositely arranged;
the first supporting block (210 a) and the second supporting block (210 b) are symmetrically arranged along a symmetrical longitudinal section, and the symmetrical longitudinal section is defined as a longitudinal section perpendicular to the first end surface on the door seat hinge seat (100);
the first connecting end (211 a) is an arc-shaped surface which is fit with the surface of the hinge housing (300), and the second connecting end (211 b) is a plane which is fit with the second end surface;
the second connection end (211 b) is connected to the first end face by welding.
7. The side-turning flap valve supporting structure according to claim 6, wherein the first supporting block (210 a) and/or the second supporting block (210 b) comprise a side plane (212) and a top surface (213), the arc surface is disposed between the side plane (212) and the top surface (213), an included angle between the side plane (212) and the symmetrical longitudinal section is 15-45 °, and a central angle corresponding to the arc surface is 60-75 °.
8. The side-dump flap valve support structure according to claim 6, wherein a radial connecting post (340) extends radially along an outer surface of the hinge housing (300), and wherein the radial connecting post (340) extends through the seat hinge base (100) and is connected to the first end surface and the second end surface by a second fastener (350).
9. The side-turning flap valve supporting structure according to claim 1, wherein the door cover hinge arm (500) is further connected with an opening limiting assembly (600), and the opening limiting assembly (600) is used for adjusting an included angle between the door seat and the door cover when the flap valve is opened.
10. The side-dump flap valve support structure according to claim 9, wherein the opening limiting assembly (600) comprises a mounting housing (610), an axial locking shaft (620), a radial locking shaft (630), an abutment post (640), and a locking member (650);
the mounting shell (610) is connected to the outer side end of the rotating part (510), the mounting shell (610) is of a cylindrical structure and comprises a third axial through hole (611) and a first end and a second end which are axially opposite to each other, a limit post (660) extends into the third axial through hole (611) along the first end of the mounting shell (610), the limit post (660) is provided with a fourth axial through hole (661) communicated with the third axial through hole (611), and the inner diameter of the fourth axial through hole (661) is smaller than that of the third axial through hole (611);
the abutting column (640) is slidably connected in the third axial through hole (611) and is provided with an abutting disc (641) extending out of the second end of the mounting shell (610), and the outer diameter of the abutting disc (641) is larger than the inner diameter of the third axial through hole (611);
the axial locking shaft (620) extends into the fourth axial through hole (661) from the second end extending into the mounting shell (610) and can be abutted with the abutting column (640), and the radial locking shaft (630) radially extends into the third axial through hole (611) and is used for contacting with the abutting column (640) to limit;
the locking piece (650) is arranged between the axial locking shaft (620) and the first end of the installation shell (610), and the radial locking shaft (630) is arranged between the outer side ends of the installation shell (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310593794.6A CN116292999A (en) | 2023-05-25 | 2023-05-25 | Side-turning flap valve supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310593794.6A CN116292999A (en) | 2023-05-25 | 2023-05-25 | Side-turning flap valve supporting structure |
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|---|---|
| CN116292999A true CN116292999A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310593794.6A Pending CN116292999A (en) | 2023-05-25 | 2023-05-25 | Side-turning flap valve supporting structure |
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| CN218454651U (en) * | 2022-09-12 | 2023-02-07 | 湖南河盾水利设备有限公司 | Antifriction mechanism for side-turning flap valve |
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2023
- 2023-05-25 CN CN202310593794.6A patent/CN116292999A/en active Pending
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| CN201339730Y (en) * | 2009-01-20 | 2009-11-04 | 张坚 | Energy-saving pre-embedded flat valve for opening buoyancy tank from both sides |
| CN201459684U (en) * | 2009-07-17 | 2010-05-12 | 湖南搏浪沙水工机械有限公司 | Energy-saving freely side turning type flap valve |
| CN203626451U (en) * | 2013-12-16 | 2014-06-04 | 吴建康 | Opening angle adjusting structure for valve cover of energy-saving laterally-overturned flap valve |
| CN204692663U (en) * | 2015-04-09 | 2015-10-07 | 蓝深集团股份有限公司 | A kind of flap valve of anticreep hinge |
| CN213017901U (en) * | 2020-08-24 | 2021-04-20 | 湖北郢都水利水电建设有限公司 | Energy-saving free side-turning flap valve |
| CN213451881U (en) * | 2020-09-24 | 2021-06-15 | 江苏佳佩环保机械设备有限公司 | Rectangular side opening flap valve |
| CN218454651U (en) * | 2022-09-12 | 2023-02-07 | 湖南河盾水利设备有限公司 | Antifriction mechanism for side-turning flap valve |
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