CN108331109B - Drain valve pressing structure - Google Patents
Drain valve pressing structure Download PDFInfo
- Publication number
- CN108331109B CN108331109B CN201810208924.9A CN201810208924A CN108331109B CN 108331109 B CN108331109 B CN 108331109B CN 201810208924 A CN201810208924 A CN 201810208924A CN 108331109 B CN108331109 B CN 108331109B
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- CN
- China
- Prior art keywords
- rotating shaft
- arm
- lifting
- pressing
- drain valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
- E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand
- E03D5/092—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand the flushing element, e.g. siphon bell, being actuated through a lever
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a drain valve pressing structure, which comprises a valve body, a swing arm and a lifting rod. The invention overcomes the defect that the starting mechanism of the existing drain valve adopts the lever principle, takes a certain position in the middle as a fulcrum, presses one side and lifts the other side to drive a transmission piece so as to realize the purpose of draining. The method is limited by the stroke of the key, so that the force is generally required to be increased, and the technical problem of increasing the pressing force is caused.
Description
Technical Field
The present invention relates to a drain valve pressing structure.
Background
In the cistern of a toilet, a water inlet valve and a water outlet valve are usually provided. Wherein, the drain valve realizes the flushing of urine and feces through the half-row and full-row buttons.
In general, the starting mechanism of the drain valve adopts the lever principle, takes a certain position in the middle as a fulcrum, presses one side and lifts the other side, and drives a transmission part to realize the purpose of draining water.
Because the structure is limited by the stroke of the key, the force is generally required to be increased, and the pressing force is increased.
Disclosure of Invention
The invention provides a drain valve pressing structure, which overcomes the defects of the drain valve pressing structure in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a drain valve pressing structure, includes a valve body, its characterized in that, it still includes
One end of the swing arm is a pressing arm, the other end of the swing arm is pivoted on the first rotating shaft, and a first meshing part taking the first rotating shaft as the center is arranged on the swing arm;
one end of the lifting rod is pivoted on the second rotating shaft, and the other end of the lifting rod is linked with the lifting shaft of the drain valve; the lifting rod is provided with a second meshing part taking the second rotating shaft as a center, wherein the first meshing part and the second meshing part are meshed with each other;
the half-row/full-row keys of the drain valve act on the pressing arms of the swing arms to drive the swing arms to rotate by taking the first rotating shaft as an axle center, and further drive the lifting rods meshed with the swing arms to rotate by taking the second rotating shaft as an axle center, so that the other ends of the lifting rods drive the lifting shafts to move.
In the present invention, the first engagement portion and/or the second engagement portion include, but are not limited to, engagement teeth, a swing link, or a cam.
In an embodiment of the invention, the first rotating shaft and the second rotating shaft are located on the same horizontal plane.
In an embodiment of the present invention, the pressing arm of the swing arm is located on a movement path of the half-row and/or the full-row keys.
In an embodiment of the present invention, the swing arm and the lifting rod have an initial position and a final position respectively, and in the final position, the pressing arm of the swing arm is pressed by the key of the drain valve to rotate around the rotating shaft, the engagement tooth drives the lifting rod to reversely rotate, and the lifting arm of the lifting rod is lifted upwards and can provide a proper displacement stroke, so that the sealing component of the drain valve is lifted, and the drain valve is enabled to drain.
In one embodiment of the invention, the swing arm comprises a rotating shaft part, two ends of the rotating shaft part are respectively provided with a rotating shaft pin joint hole, one side of the rotating shaft part is provided with meshing teeth, and the other opposite side is radially extended to form a full-row pressing part and a half-row pressing part; the two pressing parts are respectively positioned at the side surfaces of the two ends of the rotating shaft part.
In one embodiment of the invention, the lifting rod comprises a rotating shaft part, two ends of the rotating shaft part are respectively provided with a rotating shaft pin joint hole, and one side of the rotating shaft part is provided with a meshing tooth; on the circumference of the rotating shaft part, a distance is kept between the meshing teeth, and the rotating shaft part is provided with a lifting arm.
In an embodiment of the present invention, the start position and the end position of the pressing arm of the swing arm are symmetrically arranged in the horizontal direction; the end position of the lifting arm of the driven wheel is set at a horizontal position, and the initial position is an inclined downward position.
In an embodiment of the present invention, at the initial position, a horizontal distance La between a vertical surface where an axis of the rotation shaft of the lifting lever is located and a vertical surface where the driving end is located: in the initial position, the ratio of the horizontal distance Lb between the vertical surface where the axis of the swing arm rotating shaft is positioned and the vertical surface where the contact point of the pressing arm and the key is positioned is 1.1-1.2.
In the invention, the pressing arm of the swing arm has a lever length Lb at an initial position and a lever length Lb 'at a final position, wherein Lb is greater than Lb'.
In the invention, the length of the lever of the lifting arm at the initial position is La, and the length of the mechanical rod at the final position is La 'which is smaller than La'.
Compared with the background technology, the technical proposal has the following advantages:
the invention can realize the purpose of pressing a smaller stroke and lifting a larger stroke because the initial positions of the pressing rod and the lifting rod are different. Meanwhile, the arm of force for pressing the initial pressing force is longer, and the arm of force for lifting the arm is shorter, so that the initial pressing force is reduced. When the lifting force arm is lengthened, the water pressure is reduced after the drain valve lifts the drain water, so that the pressing force is not increased. The method can effectively overcome the weaknesses of the prior art, and ensures that the product works more stably.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic diagram of an important structure of the present invention.
Fig. 3 is a schematic perspective view of a swing arm.
Fig. 4 is a schematic perspective view of the lifting lever.
FIG. 5 is a schematic cross-sectional view of the main parts of the present invention;
FIG. 6 is a schematic cross-sectional view of the main parts of the present invention;
fig. 7 is a schematic perspective view of a full row of keys.
FIG. 8 is a schematic illustration of the moment arm change process during pressing;
FIG. 9 is a schematic view of an initial state structure;
FIG. 10 is a schematic diagram of a termination state structure;
FIG. 11 is a schematic view of the present invention in use.
100. Valve body
200. Swing arm
210. Full-row pressing part 250 and half-row pressing part of meshing teeth 240 of pivot hole 230 of pivot part 220
300. Lifting rod
310. Pivot portion 320 pivot hole 330 engagement tooth 340 lifts arm 341 drive end
400. Lifting shaft
410. Flap 420 mating part
500. Key assembly
Detailed Description
Referring to fig. 1 and 2, a drain valve pressing structure includes a valve body 100, a swing arm 200, and a lift lever 300. The valve is internally provided with a lifting shaft 400, the bottom end of the lifting shaft 400 is connected with a flap cover 410 and other parts, and the structure of the part is conventional and is not important in the invention, so the details are not described.
The upper end of the lifting shaft 400 is provided with a matching part 420 matched with the lifting rod.
Referring to fig. 3, the swing arm 200 includes a pivot portion 210, two ends of the pivot portion 210 are respectively provided with a pivot hole 220, one side of the pivot portion 210 is provided with a meshing tooth 230, and the opposite side is radially extended with a full row of pressing portions 240 and a half row of pressing portions 250. The two pressing parts are respectively positioned at the side surfaces of the two ends of the rotating shaft part. In this embodiment, the engaging teeth 230 are two teeth, which are disposed at a distance from each other on the circumferential surface of the shaft portion, and each of which extends in the axial direction.
Referring to fig. 4, the lifting lever 300 includes a rotation shaft portion 310, rotation shaft pivot holes 320 are respectively provided at both ends of the rotation shaft portion 310, and a meshing tooth 330 is provided at one side of the rotation shaft portion 310. In this embodiment, the engaging teeth 330 are two teeth, which are disposed at a distance from each other on the circumferential surface of the shaft portion, and each of which extends in the axial direction. On the circumferential surface of the rotating shaft portion 310, a lifting arm 340 is provided on the rotating shaft portion 310 with a distance from the engagement teeth. In this embodiment, the lifting arm 340 has a curved shape, and a protrusion is disposed at the end of the lifting arm, and the protrusion is a driving end 341.
Referring to fig. 5 and 6, the swing arm 200 and the lifter 300 are fixed in the valve body 100 as follows: the upper part of the valve body is transversely provided with a horizontal fixing plate 110, the center of the fixing plate 110 is provided with a yielding gap 111, the left half part of the yielding gap 111 is respectively provided with two rotating shafts on each of the front side and the rear side, wherein two opposite rotating shafts 112 on the left side are used for fixing a lifting rod 300, and two opposite rotating shafts 113 on the right side are used for fixing a swing arm 200. The engagement teeth of both the swing arm 200 and the lift lever 300 are arc-shaped engaged.
Three through holes are respectively arranged on the fixing plates on the front side and the rear side of the abdication notch 111, and the through holes are respectively a spring fixing hole 115 positioned in the middle and two key guide holes 114 positioned on the left side and the right side of the spring fixing hole. A slot 116 is also provided adjacent each key guide hole 114.
Referring to fig. 7, the key 500 includes a half-row key and a full-row key, which are identical or similar in shape and symmetrically distributed. The key 500 includes a semicircular key body 510, two guide posts 520 and a spring fixing groove 530 are respectively disposed at the bottom of the key body 510, the two guide posts 520 are respectively inserted into the two key guide holes 114 of the fixing plate 110, and the spring fixing groove 530 is used for fixing the key spring in cooperation with the spring fixing hole 115. Two hooks 540 are respectively disposed beside the two guide posts, and are used for being clamped into the clamping grooves 116 to fix the keys. The side of the key 500 close to the other key (i.e., the diameter side of the semicircle) is provided with a pressing post 550 for pressing the swing arm 200.
Referring to fig. 8 to 11, in use, the pressing post 550 of the key 500 presses the full-row pressing portion 240 or the half-row pressing portion 250 of the swing arm 200, and the swing arm 200 rotates clockwise about the rotation shaft 113. Thereby driving the lifting lever 300 engaged therewith to rotate counterclockwise with the rotation shaft 112. Until the driving end 341 drives the lifting shaft 400 to ascend, so that the drain valve drains water.
The swing arm 200 has an initial position and a final position which are substantially equal to an angle A, A' formed by a horizontal plane, and the positions are symmetrically distributed on the horizontal plane.
In this embodiment La (in the initial position, the horizontal distance between the vertical surface where the axis of the shaft of the lifting lever is located and the vertical surface where the driving end is located): lb (horizontal distance between the vertical surface of the axis of the swing arm rotating shaft and the vertical surface of the contact point of the pressing arm and the key) is about 1.1-1.2, and the ratio of the prior application technology is generally 1.5, so that the labor is saved by about 20%.
The pressing arm of the swing arm has a lever length Lb in the initial position and a lever length Lb 'in the end position, which in the embodiment is close to the length of the horizontal position, and Lb' is the shortest, which can translate the force values used with the shortest pressing stroke.
The length of the lever of the lifting arm at the initial position is La, the length of the mechanical rod at the end position is La ', the mechanical rod is in the longest distance state, la is close to the shortest length in the embodiment column, la ' is in a horizontal position, and the mechanical rod can be driven to lift upwards under the minimum resistance to obtain the maximum stroke of H '.
When the swing arm of the drain valve is in an initial state, the required driving force value is maximum. The corresponding pressing arm is the longest, the lifting arm of the lifting rod is the shortest, and the moment arm is the most labor-saving ideal scheme.
In the opening process of the drain valve (water in the water tank begins to be discharged), the required driving force value is gradually reduced, the corresponding pressing arm can be shortest, and the lifting arm of the lifting rod is longest, so that the sealing assembly obtains the maximum upward movement stroke, and the stroke required by the operation of the drain valve is achieved. Such a lever arm is an ideal solution for optimal acquisition of travel.
The boss 430 on the lifting shaft 400 is hung at the hanging hook on the hanging rack 120 (or the hanging hook of the full-row floating barrel), water can be discharged, the liquid level is lowered, the floating barrel is free from buoyancy, the hanging hook falls off the boss 430 on the lifting shaft 400 under the gravity condition, the lifting shaft automatically falls under the gravity condition, the lifting arm of the lifting rod is driven to reset to the initial state, and the meshing teeth on the lifting rod drive the meshing teeth of the swinging rod to drive the swinging arm to reset to the initial position. The full-row keys or the half-row keys of the drain valve reset under the action of the spring.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a drain valve pressing structure, includes a valve body, its characterized in that, it still includes
One end of the swing arm is a pressing arm, the other end of the swing arm is pivoted on the first rotating shaft, and a first meshing part taking the first rotating shaft as the center is arranged on the swing arm;
one end of the lifting rod is pivoted on the second rotating shaft, and the other end of the lifting rod is linked with the lifting shaft of the drain valve; the lifting rod is provided with a second meshing part taking the second rotating shaft as a center, wherein the first meshing part and the second meshing part are meshed with each other;
the swing arm and the lifting rod are respectively provided with an initial position and a final position, in the final position, the pressing arm of the swing arm is pressed by the drainage valve key to rotate around the rotating shaft, the meshing teeth drive the lifting rod to reversely rotate, the lifting arm of the lifting rod is lifted upwards and can provide a proper displacement stroke, and therefore the sealing part of the drainage valve is lifted, and the drainage valve works; the starting position and the ending position of the pressing arm of the swing arm are symmetrically arranged in the horizontal direction; the end position of the lifting arm of the lifting rod is arranged at a horizontal position, and the initial position is an inclined downward position;
the half-row/full-row keys of the drain valve act on the pressing arms of the swing arms to drive the swing arms to rotate by taking the first rotating shaft as an axle center, and further drive the lifting rods meshed with the swing arms to rotate by taking the second rotating shaft as an axle center, so that the other ends of the lifting rods drive the lifting shafts to move.
2. A drain valve pressing structure according to claim 1, wherein: the first meshing part and/or the second meshing part comprise meshing teeth, swing rods or cams.
3. A drain valve pressing structure according to claim 1, wherein: the first rotating shaft and the second rotating shaft are positioned on the same horizontal plane.
4. A drain valve pressing structure according to claim 1, wherein: the swing arm comprises a rotating shaft part, two ends of the rotating shaft part are respectively provided with a rotating shaft pivot hole, one side of the rotating shaft part is provided with meshing teeth, and the other opposite side is radially extended to form a full-row pressing part and a half-row pressing part; the two pressing parts are respectively positioned at the side surfaces of the two ends of the rotating shaft part.
5. A drain valve pressing structure according to claim 1, wherein: the lifting rod comprises a rotating shaft part, two ends of the rotating shaft part are respectively provided with a rotating shaft pin joint hole, and one side of the rotating shaft part is provided with meshing teeth; on the circumference of the rotating shaft part, a distance is kept between the meshing teeth, and the rotating shaft part is provided with a lifting arm.
6. A drain valve pressing structure according to any one of claims 1 to 5, wherein: at the initial position, the horizontal distance La between the vertical surface where the axis of the lifting rod rotating shaft is located and the vertical surface where the driving end is located: in the initial position, the ratio of the horizontal distance Lb between the vertical surface where the axis of the swing arm rotating shaft is positioned and the vertical surface where the contact point of the pressing arm and the key is positioned is 1.1-1.2.
7. A drain valve pressing structure according to claim 6, wherein: the pressing arm of the swing arm has a lever length Lb at an initial position and a lever length Lb 'at a final position, wherein Lb is greater than Lb'.
8. A drain valve pressing structure according to claim 6, wherein: the length of the lever of the lifting arm at the initial position is La, the length of the mechanical rod at the final position is La ', and La is smaller than La'.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810208924.9A CN108331109B (en) | 2018-03-14 | 2018-03-14 | Drain valve pressing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810208924.9A CN108331109B (en) | 2018-03-14 | 2018-03-14 | Drain valve pressing structure |
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CN108331109A CN108331109A (en) | 2018-07-27 |
CN108331109B true CN108331109B (en) | 2023-11-14 |
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CN201810208924.9A Active CN108331109B (en) | 2018-03-14 | 2018-03-14 | Drain valve pressing structure |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0537112A1 (en) * | 1991-10-11 | 1993-04-14 | Geberit AG | Actuating device for the outlet-valve of a flushing cistern |
JP2000291098A (en) * | 1999-04-05 | 2000-10-17 | Toto Ltd | Toilet stool cleaning tank device |
CN202787445U (en) * | 2012-09-27 | 2013-03-13 | 厦门瑞尔特卫浴科技股份有限公司 | Water tank drain valve pressure control mechanism |
CN204059514U (en) * | 2014-08-25 | 2014-12-31 | 厦门瑞尔特卫浴科技股份有限公司 | The double control structure of a kind of draining valve |
CN104846984A (en) * | 2015-04-03 | 2015-08-19 | 厦门瑞尔特卫浴科技股份有限公司 | Free-control lifting rod assembly of drain valve |
CN206157832U (en) * | 2016-09-30 | 2017-05-10 | 厦门瑞尔特卫浴科技股份有限公司 | Spiral driven drain valve starting drive and have device's drain valve |
-
2018
- 2018-03-14 CN CN201810208924.9A patent/CN108331109B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0537112A1 (en) * | 1991-10-11 | 1993-04-14 | Geberit AG | Actuating device for the outlet-valve of a flushing cistern |
JP2000291098A (en) * | 1999-04-05 | 2000-10-17 | Toto Ltd | Toilet stool cleaning tank device |
CN202787445U (en) * | 2012-09-27 | 2013-03-13 | 厦门瑞尔特卫浴科技股份有限公司 | Water tank drain valve pressure control mechanism |
CN204059514U (en) * | 2014-08-25 | 2014-12-31 | 厦门瑞尔特卫浴科技股份有限公司 | The double control structure of a kind of draining valve |
CN104846984A (en) * | 2015-04-03 | 2015-08-19 | 厦门瑞尔特卫浴科技股份有限公司 | Free-control lifting rod assembly of drain valve |
CN206157832U (en) * | 2016-09-30 | 2017-05-10 | 厦门瑞尔特卫浴科技股份有限公司 | Spiral driven drain valve starting drive and have device's drain valve |
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CN108331109A (en) | 2018-07-27 |
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Effective date of registration: 20210918 Address after: 361000 No. 601, Tonghong Road, Tong'an Park, industrial concentration zone, Tong'an District, Xiamen City, Fujian Province Applicant after: BESTTER(XIAMEN) TECHNOLOGY Inc. Address before: No. 9-10 Siming Garden, Tong'an Industrial Concentration Zone, Xiamen City, Fujian Province, 361000 Applicant before: XIAMEN BESTTER PLUMBING Co.,Ltd. |
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