CN112833202B - Anti-impact flat valve - Google Patents
Anti-impact flat valve Download PDFInfo
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- CN112833202B CN112833202B CN202110104708.1A CN202110104708A CN112833202B CN 112833202 B CN112833202 B CN 112833202B CN 202110104708 A CN202110104708 A CN 202110104708A CN 112833202 B CN112833202 B CN 112833202B
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention relates to a flat valve, in particular to an anti-impact flat valve. Including top shell, axle I, gear I, guide seat, valve plate, outlet, lead screw, transmission cover, gear II, bottom plate, depression bar down, drain pan, cooperation pipe, mesochite, valve plate notch, rack and dovetail groove, the upper end rigid coupling axle I of top shell, rigid coupling gear I on the axle I, the guide seat rigid coupling is at the left end of top shell, the upper end rigid coupling lead screw of valve plate, the downside of valve plate is equipped with the outlet, the transmission cover rotates the upper end of connecting at the top shell, transmission cover threaded connection is on the lead screw, rigid coupling gear II is sheathe in the transmission, gear I meshes the transmission with gear II, the tooth number of rack and gear I meshing transmission, gear I is more than gear II, two depression bars are located two cooperation pipes directly over respectively down, two depression bars can be sliding connection respectively in two cooperation pipes down. When the rear part of the invention is impacted, the rack moves forwards, so that the water outlet and the middle shell are staggered or communicated, and the sealing or the communication is realized.
Description
Technical Field
The invention relates to a flat valve, in particular to an anti-impact flat valve.
Background
For example, a pipe impact-proof valve with publication number CN111963763A and a use method thereof, includes a valve body, a valve core, a trip rod and a buffer mechanism. The valve body extends in the horizontal direction, and a passage is formed inside the valve body. The valve core is arranged in the channel, and the pulling rod is arranged on the valve core and penetrates through the valve body so as to drive the valve core to rotate in the valve body when stressed to rotate, and further open or close the valve. The buffer mechanism comprises a main shaft, a plurality of water baffles and a water baffle return device. The main shaft extends along the horizontal direction and is coaxial with the valve body and fixedly arranged in the valve body, the water baffles are perpendicular to the main shaft and are uniformly distributed along the circumferential direction of the main shaft, the gears are arranged on the inner sides of the water baffles in a friction mode, and the water baffles deflect under the rotating friction effect of the gears when moving towards the right side under the impact force of a water hammer. According to the pipeline anti-impact valve and the using method thereof, three-level buffering pressure relief is performed on the inertia water flow based on the water hammer phenomenon, so that the buffering effect is improved; but the valve cannot be automatically closed after being impacted.
Disclosure of Invention
The invention aims to provide an anti-impact flat valve which can be automatically closed after being impacted.
The purpose of the invention is realized by the following technical scheme:
an anti-impact flat valve comprises a top shell, a shaft I, a gear I, a guide seat, a valve plate, a water outlet, a lead screw, a transmission sleeve, a gear II, a bottom plate, a lower pressure rod, a bottom shell, a matching pipe, a middle shell, a valve plate notch, a rack and a trapezoidal groove, wherein the upper end of the top shell is fixedly connected with the shaft I, the gear I is fixedly connected onto the shaft I, the guide seat is fixedly connected to the left end of the top shell, the upper end of the valve plate is fixedly connected with the lead screw, the lower side of the valve plate is provided with the water outlet, the transmission sleeve is rotatably connected to the upper end of the top shell, the transmission sleeve is in threaded connection onto the lead screw, the transmission sleeve is fixedly connected with the gear II, the lower end of the valve plate is fixedly connected to the bottom plate, the lower end of the bottom plate is fixedly connected with two lower pressure rods, the bottom end inside the bottom end of the bottom shell is fixedly connected with two matching pipes, the top shell and the bottom shell are respectively, the middle part of the middle shell is provided with the valve plate notch, the bottom of the rack is provided with the trapezoidal groove, the rack is slidably connected onto the guide seat through the trapezoidal groove, the gear I is in meshed with the gear II, the rack is in meshing transmission with the gear I, the number of teeth of the gear I is more than the gear II, the two lower pressing rods are respectively positioned right above the two matching pipes, and the two lower pressing rods can be respectively in sliding connection with the two matching pipes.
The anti-impact flat valve further comprises a convex ring, a spring and a backing ring, wherein the convex ring is fixedly connected to the middle of the lower pressing rod, the two matching pipes are sleeved with one spring respectively, the lower portion of each spring is fixedly connected with the bottom of the bottom shell, the backing ring is fixedly connected to the upper end of each spring, and the lower pressing rod can penetrate through the backing ring.
The anti-impact flat valve further comprises a barrier, the rear end of the rack is fixedly connected with the barrier, and the barrier is located right behind the middle shell.
The anti-impact flat valve further comprises a shielding part which is fixedly connected to the upper end of the barrier.
This protecting against shock wafer valve still includes, hide grey portion and plastic film, the occlusion part is the frame column structure of metal material, and the left and right sides of occlusion part is the plastic film, and the middle part of occlusion part is equipped with and supplies the transmission sleeve to pass by preceding notch to the back extension, two grey portions of hiding of notch internal connection.
The anti-impact flat valve further comprises a brush or a rubber strip arranged at the ash shielding part.
The anti-impact flat valve further comprises a rod seat and a compression spring, the left end and the right end of the bottom shell are fixedly connected with the rod seat respectively, the front end of the barrier is fixedly connected with two rod pieces, the two rod pieces are connected in the two rod seats respectively in a sliding mode, the two rod pieces are sleeved with the compression spring respectively, and the two ends of the compression spring are in contact with the barrier and the corresponding rod seats respectively.
The anti-impact flat valve further comprises a pressure dividing mechanism, wherein the pressure dividing mechanism comprises a connecting pipe, a concave wall, convex strips, a concave frame, a shaft II, a pressure dividing rod, a pressure dividing shaft and a pressure dividing plate, the rear end of the connecting pipe is fixedly connected with the concave wall, the upper end and the lower end inside the concave wall are fixedly connected with one convex strip respectively, the two ends of the pressure dividing rod are rotatably connected with one shaft II respectively, the two shafts II are fixedly connected in the two concave frames respectively, one concave frame is connected to the concave wall and the two convex strips in a sliding mode, the other concave frame is used for being connected with the barrier, the pressure dividing shaft is fixedly connected to the left end of the concave frame located on the front side, a compression spring is sleeved on the pressure dividing shaft, the pressure dividing plate is connected to the left side of the concave wall in a sliding mode, the pressure dividing shaft is connected to the pressure dividing plate in a sliding mode, and the two ends of the compression spring on the pressure dividing shaft are respectively contacted with the pressure dividing plate and the concave frame; the partial pressure mechanism mirror symmetry is equipped with two, and two connecting pipes are the rigid coupling respectively in the left and right ends of mesochite.
The bottom of the pressure distributing plate is provided with a flat plate structure, and hole sites are arranged on the flat plate structure.
And a flange is arranged at the outer end of the connecting pipe.
The anti-impact flat valve has the beneficial effects that:
when the rear part of the invention is impacted, the rack moves forwards, so that the water outlet and the middle shell are staggered or communicated, and the sealing or the communication is realized; when the impact is too large, the rack moves far, the valve plate descends to be sealed, the valve plate further descends to drive the lower pressure rod to descend, when the lower pressure rod descends to just enter the matching pipe, the screw rod is separated from the transmission sleeve, the valve plate enters a state which can not be reset completely, the sealed state can not be restored, and then the maximum safety is provided.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of an anti-shock flat valve according to the present invention;
FIG. 2 is a partial schematic view of the first embodiment of the present invention;
FIG. 3 is a second partial schematic structural view of the present invention;
FIG. 4 is a third schematic view of a portion of the present invention;
FIG. 5 is a fourth schematic view of a portion of the present invention;
FIG. 6 is a schematic diagram of a portion of the present invention;
FIG. 7 is a schematic diagram six of a portion of the present invention;
fig. 8 is a schematic diagram seven of a partial structure of the present invention.
In the figure: a top case 1; a shaft I101; a gear I102; a guide seat 103; a valve plate 2; a drain port 201; a lead screw 202; a driving sleeve 203; a gear II 204; a bottom plate 205; a down-pressure lever 206; a convex ring 207; a bottom case 3; a mating tube 301; a spring 302; a backing ring 303; a rod seat 304; a middle shell 4; a valve plate slot 401; a connecting pipe 5; a recessed wall 501; a convex strip 502; a box 503; a shaft II 504; a pressure-dividing rod 505; a pressure-dividing shaft 506; a pressure distributing plate 507; a compression spring 508; a barrier 6; a rack 601; a trapezoidal groove 602; a shielding portion 603; a dust shielding portion 604; a plastic film 605.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in the figure, the anti-impact flat valve comprises a top shell 1, a shaft I101, a gear I102, a guide seat 103, a valve plate 2, a water outlet 201, a screw 202, a transmission sleeve 203, a gear II 204, a bottom plate 205, a lower pressing rod 206, a bottom shell 3, a matching pipe 301, a middle shell 4, a valve plate notch 401, a rack 601 and a trapezoidal groove 602, wherein the upper end of the top shell 1 is fixedly connected with the shaft I101, the shaft I101 is fixedly connected with the gear I102, the guide seat 103 is fixedly connected at the left end of the top shell 1, the upper end of the valve plate 2 is fixedly connected with the screw 202, the lower side of the valve plate 2 is provided with the water outlet 201, the transmission sleeve 203 is rotatably connected at the upper end of the top shell 1, the transmission sleeve 203 is in threaded connection with the screw 202, the transmission sleeve 203 is fixedly connected with the gear II 204, the lower end of the valve plate 2 is fixedly connected with the bottom plate 205, the lower end of the bottom plate 205 is fixedly connected with two lower pressing rods 206, the bottom end inside the bottom end of the bottom shell 3 is fixedly connected with the two matching pipes 301, the upper end and the lower end of the middle shell 4 are fixedly connected with the top shell 1 and the bottom shell 3 respectively, middle part of mesochite 4 is equipped with valve plate notch 401, the bottom of rack 601 is equipped with dovetail groove 602, rack 601 passes through dovetail groove 602 sliding connection on guide holder 103, gear I102 and the transmission of gear II 204 meshing, rack 601 and the transmission of gear I102 meshing, the number of teeth of gear I102 is more than gear II 204, two depression bars 206 are located two cooperation pipes 301 directly over respectively, two depression bars 206 can be respectively sliding connection in two cooperation pipes 301. When the rear part of the invention is impacted to enable the rack 601 to move forwards, the rack 601 drives the gear I102 to rotate, the gear I102 drives the gear II 204 to rotate, the gear II 204 drives the transmission sleeve 203 to rotate the transmission sleeve 203, so that the screw rod 202 descends, the valve plate 2 descends, namely, the water outlet 201 descends to the lower part of the middle shell 4, the passage in the middle shell 4 is sealed, and the conveying of the internal liquid is automatically stopped. When the impact is too large, the rack 601 moves far, the valve plate 2 descends to seal, and then continues to descend to drive the lower pressing rod 206 to descend, when the lower pressing rod 206 descends and just enters the matching pipe 301, the lead screw 202 is separated from the transmission sleeve 203, and the valve plate 2 enters a state which can not be reset completely, so that the sealed state can not be restored, and the maximum safety is further provided. The connection mode of the shaft I101 and the top shell 1 is preferably a detachable connection mode, and the height of the valve plate 2 can be freely adjusted after the shaft I101 is detached.
The second embodiment is as follows:
as shown in the figure, the anti-impact flat valve further comprises a convex ring 207, a spring 302 and a backing ring 303, the convex ring 207 is fixedly connected to the middle of the down-pressing rod 206, the two matching pipes 301 are respectively sleeved with one spring 302, the lower part of the spring 302 is fixedly connected to the bottom of the bottom shell 3, the backing ring 303 is fixedly connected to the upper end of the spring 302, and the down-pressing rod 206 can penetrate through the backing ring 303. After the lead screw 202 is separated from the transmission sleeve 203, the convex ring 207 descends along with the pressing rod 206 to press down the backing ring 303, so that the spring 302 is compressed, after the field obstacle is cleaned after the impact, the spring 302 resets to jack up the convex ring 207 and the pressing rod 206, further the lead screw 202 is in contact with the transmission sleeve 203, the transmission sleeve 203 rotates reversely, the lead screw 202 ascends, the water outlet 201 is communicated with the middle shell 4 again, and the rack 601 resets at the moment so as to deal with the next impact.
The third concrete implementation mode:
as shown in the figure, the anti-impact flat valve further comprises a baffle 6, the rear end of the rack 601 is fixedly connected with the baffle 6, and the baffle 6 is positioned right behind the middle shell 4. The barrier 6 increases the impact area. The barrier 6 faces in the direction of the predicted impact.
The fourth concrete implementation mode:
as shown in the figure, the anti-impact flat valve further includes a shielding portion 603, and the shielding portion 603 is fixed to the upper end of the barrier 6. The shielding portion 603 shields foreign materials.
The fifth concrete implementation mode:
as shown in the figure, the anti-impact flat valve further comprises an ash shielding part 604 and a plastic film 605, wherein the shielding part 603 is of a frame-shaped structure made of metal, the plastic film 605 is arranged on the left side and the right side of the shielding part 603, a notch extending from front to back is formed in the middle of the shielding part 603 and is used for the transmission sleeve 203 to pass through, and the two ash shielding parts 604 are fixedly connected in the notch.
The sixth specific implementation mode:
as shown in the figure, the anti-impact flat valve further includes that the dust shielding portion 604 is a brush or a rubber strip.
The seventh embodiment:
as shown in the figure, the anti-impact flat valve further includes a rod seat 304 and a compression spring 508, the left and right ends of the bottom shell 3 are respectively and fixedly connected with one rod seat 304, the front end of the barrier 6 is fixedly connected with two rod members, the two rod members are respectively and slidably connected in the two rod seats 304, the two rod members are respectively sleeved with one compression spring 508, and two ends of each compression spring 508 are respectively in contact with the barrier 6 and the corresponding rod seat 304. The rod seat 304 is matched with the compression spring 508 to increase the stability of the movement of the barrier 6 after being impacted, increase the impact resistance intensity and increase the buffer effect.
The specific implementation mode is eight:
as shown in the figure, the anti-impact flat valve further comprises a pressure dividing mechanism, the pressure dividing mechanism comprises a connecting pipe 5, a concave wall 501, a convex strip 502, a concave frame 503, a shaft II 504, a pressure dividing rod 505, a pressure dividing shaft 506 and a pressure dividing plate 507, the rear end of the connecting pipe 5 is fixedly connected with the concave wall 501, the upper end and the lower end inside the concave wall 501 are fixedly connected with one convex strip 502 respectively, the two ends of the pressure dividing rod 505 are rotatably connected with one shaft II 504 respectively, the two shafts II 504 are fixedly connected in the two concave frames 503 respectively, one of the frames 503 is slidably connected to the recessed wall 501 and the two protruding strips 502, the other concave frame 503 is used for being connected with the barrier 6, the pressure dividing shaft 506 is fixedly connected to the left end of the concave frame 503 positioned on the front side, a compression spring 508 is sleeved on the pressure dividing shaft 506, the pressure dividing plate 507 is slidably connected to the left side of the concave wall 501, the pressure dividing shaft 506 is slidably connected to the pressure dividing plate 507, and two ends of the compression spring 508 on the pressure dividing shaft 506 are respectively contacted with the pressure dividing plate 507 and the concave frame 503; the partial pressure mechanism mirror symmetry is equipped with two, and two connecting pipes 5 are the rigid coupling respectively in the left and right ends of mesochite 4. The pressure distributing rod 505 is expanded after being impacted, and impact force towards the valve plate 2 is dispersed to the horizontal direction, so that the connecting pipe 5 is prevented from being damaged by the impact force. The compression spring 508 on the pressure-dividing rod 505 also acts as a buffer. The sub-pressing plate 507 is connected to the ground to disperse the impact force to the ground.
The specific implementation method nine:
as shown in the figure, a flat plate structure is arranged at the bottom of the pressure dividing plate 507, and a hole position is arranged on the flat plate structure. The hole sites are used for the connection of foundation bolts.
The detailed implementation mode is ten:
as shown in the figure, the outer end of the connecting pipe 5 is provided with a flange.
The invention relates to an anti-impact flat valve, which has the working principle that:
when the rear part of the invention is impacted to enable the rack 601 to move forwards, the rack 601 drives the gear I102 to rotate, the gear I102 drives the gear II 204 to rotate, the gear II 204 drives the transmission sleeve 203 to rotate the transmission sleeve 203, so that the screw rod 202 descends, the valve plate 2 descends, namely, the water outlet 201 descends to the lower part of the middle shell 4, the passage in the middle shell 4 is sealed, and the conveying of the internal liquid is automatically stopped. When the impact is too large, the rack 601 moves far, the valve plate 2 descends to seal, and then continues to descend to drive the lower pressing rod 206 to descend, when the lower pressing rod 206 descends and just enters the matching pipe 301, the lead screw 202 is separated from the transmission sleeve 203, and the valve plate 2 enters a state which can not be reset completely, so that the sealed state can not be restored, and the maximum safety is further provided. The connection mode of the shaft I101 and the top shell 1 is preferably a detachable connection mode, and the height of the valve plate 2 can be freely adjusted after the shaft I101 is detached. After the lead screw 202 is separated from the transmission sleeve 203, the convex ring 207 descends along with the pressing rod 206 to press down the backing ring 303, so that the spring 302 is compressed, after the field obstacle is cleaned after the impact, the spring 302 resets to jack up the convex ring 207 and the pressing rod 206, further the lead screw 202 is in contact with the transmission sleeve 203, the transmission sleeve 203 rotates reversely, the lead screw 202 ascends, the water outlet 201 is communicated with the middle shell 4 again, and the rack 601 resets at the moment so as to deal with the next impact. The barrier 6 increases the impact area. The barrier 6 faces in the direction of the predicted impact. The shielding portion 603 shields foreign materials. The rod seat 304 is matched with the compression spring 508 to increase the stability of the movement of the barrier 6 after being impacted, increase the impact resistance intensity and increase the buffer effect. The pressure distributing rod 505 is expanded after being impacted, and impact force towards the valve plate 2 is dispersed to the horizontal direction, so that the connecting pipe 5 is prevented from being damaged by the impact force. The compression spring 508 on the pressure-dividing rod 505 also acts as a buffer. The sub-pressing plate 507 is connected to the ground to disperse the impact force to the ground. The hole sites are used for the connection of foundation bolts.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (3)
1. The utility model provides an protecting against shock wafer valve, includes top shell (1), axle I (101), gear I (102), guide holder (103), valve plate (2), outlet (201), lead screw (202), transmission cover (203), gear II (204), bottom plate (205), holding down rod (206), drain pan (3), cooperation pipe (301), mesochite (4), valve plate notch (401), rack (601) and dovetail groove (602), its characterized in that: the upper end of the top shell (1) is fixedly connected with a shaft I (101), the shaft I (101) is fixedly connected with a gear I (102), a guide seat (103) is fixedly connected at the left end of the top shell (1), the upper end of the valve plate (2) is fixedly connected with a lead screw (202), a water outlet (201) is arranged at the lower side of the valve plate (2), a transmission sleeve (203) is rotatably connected at the upper end of the top shell (1), the transmission sleeve (203) is in threaded connection with the lead screw (202), a gear II (204) is fixedly connected on the transmission sleeve (203), the lower end of the valve plate (2) is fixedly connected with a bottom plate (205), the lower end of the bottom plate (205) is fixedly connected with two lower pressure rods (206), the bottom end inside the bottom of the bottom shell (3) is fixedly connected with two matching pipes (301), the upper end and the lower end of the middle shell (4) are fixedly connected with the top shell (1) and the bottom shell (3) respectively, a valve plate notch (401) is arranged in the middle part of the middle shell (4), a trapezoidal groove (602) is arranged at the bottom of the rack (601), and the rack (601) is connected on the guide seat (103) in a sliding manner through the trapezoidal groove (602), the gear I (102) is in meshing transmission with the gear II (204), the rack (601) is in meshing transmission with the gear I (102), the number of teeth of the gear I (102) is more than that of the gear II (204), the two lower pressing rods (206) are respectively positioned right above the two matching pipes (301), and the two lower pressing rods (206) can be respectively connected into the two matching pipes (301) in a sliding mode;
the anti-impact flat valve further comprises a convex ring (207), springs (302) and backing rings (303), the middle part of the lower pressing rod (206) is fixedly connected with the convex ring (207), the two matching pipes (301) are respectively sleeved with one spring (302), the lower part of each spring (302) is fixedly connected with the bottom of the bottom shell (3), the upper end of each spring (302) is fixedly connected with a backing ring (303), and the lower pressing rod (206) can penetrate through the backing rings (303);
the anti-impact flat valve also comprises a barrier (6), the rear end of the rack (601) is fixedly connected with the barrier (6), and the barrier (6) is positioned right behind the middle shell (4);
the anti-impact flat valve also comprises a shielding part (603), and the shielding part (603) is fixedly connected to the upper end of the barrier (6);
the dust-shielding device is characterized by further comprising a dust-shielding part (604) and a plastic film (605), wherein the shielding part (603) is of a metal frame structure, the plastic film (605) is arranged on the left side and the right side of the shielding part (603), a notch extending from front to back is formed in the middle of the shielding part (603) and is used for the transmission sleeve (203) to penetrate through, and the two dust-shielding parts (604) are fixedly connected in the notch;
the dust shielding part (604) is a brush or a rubber strip;
the anti-impact flat valve further comprises a rod seat (304) and a compression spring (508), the left end and the right end of the bottom shell (3) are fixedly connected with one rod seat (304), the front end of the barrier (6) is fixedly connected with two rod pieces, the two rod pieces are respectively connected in the two rod seats (304) in a sliding mode, the two rod pieces are respectively sleeved with one compression spring (508), and the two ends of each compression spring (508) are respectively in contact with the barrier (6) and the corresponding rod seat (304);
the anti-impact flat valve further comprises a pressure dividing mechanism, the pressure dividing mechanism comprises a connecting pipe (5), a concave wall (501), convex strips (502), concave frames (503), a shaft II (504), a pressure dividing rod (505), a pressure dividing shaft (506) and a pressure dividing plate (507), the rear end of the connecting pipe (5) is fixedly connected with the concave wall (501), the upper end and the lower end of the inner part of the concave wall (501) are fixedly connected with one convex strip (502), the two ends of the pressure dividing rod (505) are rotatably connected with one shaft II (504), the two shafts II (504) are fixedly connected in the two concave frames (503) respectively, one concave frame (503) is connected to the concave wall (501) and the two convex strips (502) in a sliding mode, the other concave frame (503) is used for being connected with a barrier (6), the pressure dividing shaft (506) is fixedly connected to the left end of the concave frame (503) located on the front side, and a compression spring (508) is sleeved on the pressure dividing shaft (506), the pressure dividing plate (507) is connected to the left side of the concave wall (501) in a sliding mode, the pressure dividing shaft (506) is connected to the pressure dividing plate (507) in a sliding mode, and two ends of a compression spring (508) on the pressure dividing shaft (506) are respectively in contact with the pressure dividing plate (507) and the concave frame (503); the two partial pressure mechanisms are arranged in a mirror symmetry mode, and the two connecting pipes (5) are fixedly connected to the left end and the right end of the middle shell (4) respectively.
2. An impact-resistant flat valve according to claim 1, wherein: the bottom of the pressure distributing plate (507) is provided with a flat plate structure, and hole positions are arranged on the flat plate structure.
3. An impact-resistant flat valve according to claim 2, wherein: and a flange is arranged at the outer end of the connecting pipe (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104708.1A CN112833202B (en) | 2021-01-26 | 2021-01-26 | Anti-impact flat valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104708.1A CN112833202B (en) | 2021-01-26 | 2021-01-26 | Anti-impact flat valve |
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| CN112833202A CN112833202A (en) | 2021-05-25 |
| CN112833202B true CN112833202B (en) | 2021-09-28 |
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| DE102014224505A1 (en) * | 2014-12-01 | 2016-06-02 | Robert Bosch Gmbh | Valve actuator with rotationally symmetrical fastening means |
| CN207906474U (en) * | 2018-02-01 | 2018-09-25 | 玉环市敬艺莱阀门有限公司 | A kind of dark bar opens a sluice gate valve soon |
| CN208900749U (en) * | 2018-08-01 | 2019-05-24 | 广东精嘉阀门制造有限公司 | A kind of gate valve convenient to use |
| CN210949955U (en) * | 2019-12-02 | 2020-07-07 | 泉城阀门有限公司 | Whole body gate valve |
| CN211231645U (en) * | 2019-12-18 | 2020-08-11 | 浙江康瑞阀门有限公司 | Self-operated high-sensitivity fluorine-lined gas regulating valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2542841B (en) * | 2015-10-01 | 2017-10-18 | Goodwin Plc | Valve |
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2021
- 2021-01-26 CN CN202110104708.1A patent/CN112833202B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014224505A1 (en) * | 2014-12-01 | 2016-06-02 | Robert Bosch Gmbh | Valve actuator with rotationally symmetrical fastening means |
| CN207906474U (en) * | 2018-02-01 | 2018-09-25 | 玉环市敬艺莱阀门有限公司 | A kind of dark bar opens a sluice gate valve soon |
| CN208900749U (en) * | 2018-08-01 | 2019-05-24 | 广东精嘉阀门制造有限公司 | A kind of gate valve convenient to use |
| CN210949955U (en) * | 2019-12-02 | 2020-07-07 | 泉城阀门有限公司 | Whole body gate valve |
| CN211231645U (en) * | 2019-12-18 | 2020-08-11 | 浙江康瑞阀门有限公司 | Self-operated high-sensitivity fluorine-lined gas regulating valve |
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