WO2023092824A1 - 一种直动泄压的气动装置、一种气控排水阀及一种水箱 - Google Patents
一种直动泄压的气动装置、一种气控排水阀及一种水箱 Download PDFInfo
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- WO2023092824A1 WO2023092824A1 PCT/CN2021/144020 CN2021144020W WO2023092824A1 WO 2023092824 A1 WO2023092824 A1 WO 2023092824A1 CN 2021144020 W CN2021144020 W CN 2021144020W WO 2023092824 A1 WO2023092824 A1 WO 2023092824A1
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- pressure relief
- inflatable
- direct
- pneumatic device
- acting pressure
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- 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
- E03D5/024—Operated hydraulically or pneumatically
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- 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
Definitions
- the invention relates to the technical field of pneumatic devices, in particular to a direct-acting pressure relief pneumatic device, an air-controlled drain valve and a water tank.
- non-contact drain valves are gradually applied to smart toilets. Due to the lack of mechanical actuation for manual pressing, the non-contact drain valve requires an additional pneumatic device to trigger the activation of the drain valve.
- the pneumatic device commonly used in the market is composed of an air pump, an air bag and a pressure relief valve.
- the air pump When drainage is required, the air pump is started to inflate the air bag.
- Some pneumatic devices do not have a pressure relief function. After the air pump triggers the drain valve to open through the air bag to drain water, the entire air circuit is filled with pressurized gas. Push against the opening switch of the drain valve so that the drain cannot be stopped.
- the existing pneumatic device usually needs to be equipped with a special pressure relief module, add a solenoid valve, and exhaust the air bag through the gas circuit conversion to achieve pressure relief, but this solution requires an additional solenoid valve and Components such as pipelines and circuits are costly, complex in structure, large in space, messy in internal wiring, and very troublesome in assembly and maintenance.
- the technical problem to be solved by the present invention is to provide a direct-acting pressure relief pneumatic device, which can automatically perform pressure relief after inflation, is reliable in operation, has a very simple structure, can save electrical components, and has low cost.
- the present invention provides a direct-acting pressure relief pneumatic device, which includes a housing, an air intake cover, an inflatable telescopic member and a follower, the air intake cover is fixed on the upper part of the housing and The inflatable telescopic part is sealed and communicated, the air inlet cover can be inflated into the inflatable telescopic part, and the inflatable telescopic part can expand and elongate in the housing after being inflated, and the follower and the inflatable The movable end of the telescopic element is connected, and the driven element can reach the bottom of the housing.
- the pneumatic device for direct-acting pressure relief also includes a self-pressure relief mechanism, the self-pressure relief mechanism includes a vent hole and a trigger member, the vent hole is arranged on the inflatable telescopic member and is in a normally closed state, and the trigger
- the moving part is fixed to the movable end of the inflatable telescopic part, and after the inflatable telescopic part is inflated and stretched in place, the actuating part can open the vent hole and cause the inflatable telescopic part to deflate and contract.
- an inflatable cavity is provided inside the inflatable telescopic member, and a movable surface is provided at the bottom of the movable end of the inflatable telescopic member, and the edge of the movable surface is flexibly connected to the side of the inflatable telescopic member, so The movable surface can be recessed toward the interior of the air-filled chamber.
- the vent hole is arranged on the movable surface, and the vent hole communicates with the inflation chamber.
- the self-pressure relief mechanism further includes a shift table, which is fixed at the lower part of the housing and arranged under the touch member, and the shift table can block the touch The member moves downward and recesses the active surface toward the interior of the inflatable chamber. .
- a sealing surface is provided between the follower and the inflatable telescopic member, the sealing surface is fixed on the top of the follower, the sealing surface can be in close contact with the movable surface and Block the vent hole, the movable surface can be separated from the sealing surface when it is sunken toward the inside of the inflatable chamber, after separation, the sealing surface can form a vent cavity with the movable surface, and the vent The cavity communicates with the outside atmosphere.
- the follower also includes a top cylinder, the top of the top cylinder is fixedly connected to the sealing surface, and a communication hole is provided in the middle of the sealing surface, and the communication hole is connected to the top cylinder.
- the inner cavity is in communication, the inner cavity of the top cylinder is in communication with the external atmosphere, and the movable surface can block the communication hole when it is in close contact with the sealing surface.
- the position of the vent hole and the position of the communicating hole are mutually staggered.
- the two ends of the contact piece are respectively provided with a connecting head and a contact head, and the connecting head is in sealing connection with the movable surface, and the contact head is provided with a locking boss, and the locking protrusion
- the platform is set at the end of the contact head close to the communication hole, the contact member can move up and down in the communication hole, and the locking boss can limit the movement range of the contact head to the top tube Inside.
- the air intake cover includes a reset platform, the reset platform is located above the touch piece and can be in contact with the connecting head, the reset platform can block the upward movement of the touch piece and make the The movable surface returns to the state of being in close contact with the sealing surface.
- the direct-acting pressure relief pneumatic device further includes a return spring, the return spring is arranged between the top of the follower and the bottom of the housing, and the return spring can make the follower It has a tendency to move towards the reset platform.
- the housing includes a guide hole, the guide hole is provided at the bottom of the housing, and the top cylinder can be inserted into the guide hole to move up and down.
- the present invention also provides an air-operated drain valve, comprising the above-mentioned direct-acting pneumatic device for pressure relief.
- the present invention also provides a water tank, comprising the above-mentioned pneumatic device for direct pressure relief.
- the direct-acting pressure relief pneumatic device of the present invention is provided with an air intake cover, an inflatable telescopic member, a follower and a self-relieving mechanism, an external air pump is connected to the air intake cover, and can fill gas into the inflatable telescopic member , during this process, the air release hole in the self-pressure relief mechanism is in a normally closed state, so the inflatable telescopic member can quickly expand and expand without loss, and drive the follower to open the external drain valve , thereby completing the trigger operation of the drain valve.
- the touch piece in the self-pressure relief mechanism will open the vent hole, causing the inflatable telescopic part to deflate, so that the drain valve can gradually reset and close the drainage, thus Utilizing the self-pressure relief mechanism can realize the automatic pressure relief of the inflatable telescopic member, saving additional components such as solenoid valves, and has the advantages of high pressure relief and low cost.
- the direct-acting pressure relief pneumatic device of the present invention only uses the movable surface at the bottom of the inflatable telescopic member, the vent hole in the movable surface and the touch piece below the movable surface, and utilizes the elongation and shortening characteristics of the inflatable telescopic member itself , the inflatable telescopic element itself can be automatically deflated, the structure is very simple, and there are no complicated parts, pipes and circuit systems, so it has the advantages of reliable operation and simple structure.
- Fig. 1 is a disassembled structural schematic diagram of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention
- Fig. 2 is a schematic cross-sectional structure diagram of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention
- Fig. 3 is a partial diagram of A in Fig. 2;
- Fig. 4 is a schematic cross-sectional structure diagram of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- Fig. 5 is a partial diagram of B in Fig. 4;
- Fig. 6 is a schematic structural view of the inflatable telescopic member of the present invention.
- Fig. 7 is a schematic diagram of the first state of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- Fig. 8 is a schematic diagram of the second state of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- Fig. 9 is a schematic diagram of the third state of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- Fig. 10 is a schematic diagram of the fourth state of the first embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- Fig. 11 is a schematic diagram of the second embodiment of the direct-acting pressure relief pneumatic device of the present invention.
- the first embodiment of the present invention discloses a direct-acting pressure relief pneumatic device, including a housing 1, an air intake cover 2, an inflatable telescopic member 3 and a follower 4 , the air intake cover 2 is fixed on the upper part of the housing 1 and is in sealing communication with the inflatable telescopic member 3, the air intake cover 2 is in communication with an external air pump, and the air pump can pass through the air intake cover 2 to the
- the inflatable telescopic part 3 is inflated, and the inflatable telescopic part 3 can expand and stretch in the housing 1 after being inflated, and the follower 4 is connected with the movable end of the inflatable telescopic part 3, so the inflatable
- the telescopic member 3 will drive the follower 4 to move when expanding and stretching, and the follower 4 can reach the bottom of the casing 1 after the inflatable stretching member 3 expands and stretches in place.
- the inflatable telescopic member 3 is an object that can produce elastic deformation after being filled with gas, such as a telescopic folding air bag, a telescopic balloon, a telescopic air film, etc.
- the airbag has a relatively stable elongated motion path and is suitable for use in a stable motion system.
- the pneumatic device for direct acting pressure relief also includes a self-pressure relief mechanism 5, and the self-pressure relief mechanism 5 includes a vent hole 51 and a touch piece 52, and the vent hole 51 is arranged on the inflatable
- the telescopic part 3 is in a normally closed state.
- the vent hole 51 is in a closed state, and the inflatable telescopic part 3 can be expanded and stretched without leakage and loss.
- the follower 4 can trigger the external drain valve to drain water.
- the actuating piece 52 is fixed on the movable end of the inflatable telescopic piece 3, and after the inflatable telescopic piece 3 is inflated and stretched in place, the actuating piece 52 can open the vent hole 51 to make the inflatable telescopic piece 3 move forward. Air release and contraction, after pressure relief and contraction, the inflatable telescopic member 3 gradually shortens and drives the follower 4 to move upward, at this time, the external drain valve switch will be gradually closed and finally closed, so as to obtain the pressure relief and water shut-off effect. Effect.
- the direct-acting pressure relief pneumatic device is provided with an air intake cover 2, an inflatable telescopic member 3, a follower 4 and a self-pressure relief mechanism 5.
- the air intake cover 2 is connected to an external air pump, and the external air pump Gas can be filled into the inflatable telescopic member 3, and the inflatable telescopic member 3 will expand and elongate due to the increase of internal air pressure.
- the inflatable telescopic part 3 can quickly expand and expand without loss.
- the force of the gas on the bottom of the inflatable The telescopic member 3 can drive the follower 4 to open the external drain valve, thereby completing the trigger operation of the drain valve.
- the self-pressure relief mechanism 5 can realize the automatic pressure relief of the inflatable telescopic member 3 , saves additional components such as solenoid valves, and has the advantages of high pressure relief and low cost.
- an inflatable chamber 31 is provided inside the inflatable telescopic member 3, and the gas filled in the air intake cover 2 will gather in the inflatable chamber 31, and the bottom of the movable end of the inflatable telescopic member 3 is provided with a movable surface 32.
- the edge of the movable surface 32 is flexibly connected to the side of the inflatable telescopic member 3, so the movable surface 32 can be attached to the side of the inflatable telescopic member 3 to be folded up and down.
- the movable surface 32 When the movable surface When 32 is folded upwards, the movable surface 32 can be sunken toward the interior of the inflatable cavity 31 , so that the movable surface 32 can move upwards away from its original position.
- the vent hole 51 is arranged on the movable surface 32, and the vent hole 51 can move up and down following the movable surface 32.
- the vent hole 51 communicates with the inflatable chamber 31. When the vent hole 51 is opened, , the gas in the inflatable cavity 31 will be discharged from the vent hole 51 .
- the self-relieving mechanism 5 also includes a shift table 53, which is fixed on the lower part of the housing 1 and arranged below the contact piece 52, and the shift table 53 The platform 53 can block the downward movement of the actuating member 52 and make the movable surface 32 recess toward the interior of the inflatable chamber 31 .
- the actuating member 52 will follow the movable end of the inflatable extensible member 3 and move downward, and after moving to a certain position, the actuating member 52 will touch the On the gear table 53, due to the gear effect of the gear table 53, the touch member 52 no longer moves downward, but because the inflatable telescopic member 3 still has an expansion space in the housing 1, Therefore, the inflatable telescopic member 3 will continue to push the movable surface 32 to move downward.
- a sealing surface 41 is provided between the follower 4 and the inflatable telescopic member 3, and the sealing surface 41 is fixed on the top of the follower 4.
- the sealing surface 41 can be in close contact with the movable surface 32 and block the vent hole 51.
- the sealing surface 41 is always in close contact with the movable surface 32 state, so the vent hole 51 can be blocked to achieve a normal close, and when the contact piece 52 reaches the gear platform 53, under the action of the gear platform 53, the movable surface 32 will be
- the trigger member 52 is reversely driven upward toward the interior of the inflatable chamber 31 to sag, and at this time the movable surface 32 can be separated from the sealing surface 41 when it is recessed toward the interior of the inflatable chamber 31 , the The air leakage hole 51 will follow the movable surface 32 away from the sealing surface 41, so far, the airtight state of the air leakage hole 51 is broken, and after separation, the sealing surface 41 can surround the upwardly recessed movable surface 32 to form a gas leakage cavity 54, on the one hand, the leak cavity 54 communicates with the inflation cavity 31 through the leak hole 51; The air release hole 51 enters the air release cavity 54 and is finally discharged into the external atmosphere, so that the contact member 52
- the follower 4 further includes a top cylinder 42, the top of the top cylinder 42 is fixedly connected to the sealing surface 41, and the top cylinder 42 protrudes downwards out of the housing 1,
- the inflatable telescopic part 3 When the inflatable telescopic part 3 is inflated and stretched, the inflatable telescopic part 3 will push the top tube 42 to move downward, and the bottom of the top tube 42 will touch the switch of the external drain valve, so that the drain valve Open.
- a communication hole 43 is provided in the middle of the sealing surface 41, and the communication hole 43 communicates with the inner cavity of the top tube 42.
- the inner cavity of the cylinder 42 communicates with the outside atmosphere, so that when the inflatable telescopic member 3 is deflated through the deflated hole 51, the gas entering the deflated cavity 54 from the inflatable cavity 31 will flow from the
- the communication hole 43 enters into the inner cavity of the top cylinder 42, and then is discharged from the inner cavity of the top cylinder 42 to the external atmosphere, thereby realizing the function of releasing air and pressure.
- the movable surface 32 can block the communication hole 43 when it is in close contact with the sealing surface 41, so that the inflatable expansion member 3 can only When the movable surface 32 is recessed toward the inside of the inflatable cavity 31 to form the air release cavity 54, the air can be leaked outward. In the rest of the time, the air release hole 51 and the communication hole 43 are blocked by the movable surface 32 and cannot be ventilated, so as to realize sealing , so as to achieve the effect of allowing the inflatable telescopic member 3 to expand and stretch normally without loss. In addition, the position of the air release hole 51 and the communication hole 43 are staggered, so that the sealing surface 41 can seal the air release hole 51, and the movable surface 32 can seal the communication hole 43. Sealed to avoid cross-gas.
- the actuating member 52 can pass through the communicating hole 43, the actuating member 52 can move up and down in the communicating hole 43, and the two ends of the actuating member 52 are respectively provided with a connecting head 521 and a contacting head 522, the connecting head 521 is sealingly connected with the movable surface 32, and the movable surface 32 drives the contact piece 52 to move through the connecting head 521, and the contact head 522 is provided with a locking boss 523, the The locking boss 523 is arranged at the end of the contact head 522 close to the communication hole 43 , the cross section of the locking boss 523 is larger than the communication hole 43 , so when the movable surface 32 faces the inflatable When the inner depression of the cavity 31 drives the contact piece 52 to move upward, the locking boss 523 will press against the edge of the communication hole 43, so that the contact head 522 will not pass over the communication hole 43, so the The clamping boss 523 can limit the moving range of the contact head 522 within the top cylinder 42, and can prevent the contact head 522
- the air inlet cover 2 is also provided with a reset platform 21, so The reset platform 21 is located above the touch member 52 and can be in contact with the connecting head 521.
- the reset platform 21 is preferably long cylindrical and vertically arranged.
- the reset table 21 has a reaction force on the touch piece 52, the movable surface 32 will be folded down and restored to its original shape, and the air leakage cavity 54 will disappear.
- the connecting head 521 will also return to the sealing surface 41 along with the movable surface 32 , so the reset table 21 can restore the movable surface 32 to the state of being in close contact with the sealing surface 41 .
- the sealing surface 41 will block the vent hole 51 again, and the movable surface 32 will block the communication hole 43 again.
- the housing 1 further includes a guide hole 11, the guide hole 11 is provided at the bottom of the housing 1, and the top tube 42 can be inserted into the guide hole 11
- Moving up and down ensures that the inflatable telescopic member 3 and the follower 4 can be aligned with the switch of the external drain valve, and also ensures that the movable surface 32 can be correctly stressed to realize normal folding and recovery.
- the connecting head 521 abuts against the reset table 21, the movable surface 32 is in close contact with the sealing surface 41, and the vent hole 51 and the communicating hole 43 are closed.
- the external air pump starts and inflates the inflatable telescopic member 3 through the air intake cover 2, and the inflatable telescopic member 3 begins to expand and elongate under the increased air pressure, Under the limiting action of the guide hole 11, the inflatable telescopic member 3 pushes the follower 4 to move downward, and then the bottom of the top cylinder 42 will touch the switch of the external drain valve, and the inflatable telescopic
- the air pressure force received by the component 3 is greater than the trigger force of the switch of the external drain valve.
- the switch is opened to start draining water.
- the vent hole 51 is always in a closed state; see FIG.
- the actuating head 522 will abut against the gear platform 53, and since the inflatable telescopic member 3 continues to elongate, the gear platform 53 will provide a reaction force to the actuating head 522,
- the reaction force acts on the movable surface 32, causing the movable surface 32 to sag toward the interior of the air-filled cavity 31, the movable surface 32 is separated from the sealing surface 41 to form the gas leakage chamber 54, and the gas leakage cavity 54 is formed.
- the hole 51 and the communication hole 43 are opened at the same time, and the gas in the inflatable cavity 31 enters the gas leakage cavity 54 through the gas leakage hole 51, and is discharged from the communication cavity to the external atmosphere, and the drainage action is completed at this time;
- the restoring force of the external drain valve switch is greater than the air pressure force in the inflatable cavity 31, the inflatable telescopic member 3 begins to deflate and shrink, the external drain valve switch is gradually closed, and the top tube 42 pushes the inflatable
- the telescopic part 3 moves upwards, and makes the connecting head 521 abut against the reset platform 21, and the top tube 42 continues to push the inflatable telescopic part 3, so that the reset platform 21 reacts to the contact head 522 force, the reaction force prompts the movable surface 32 to fold down and return to its original shape, the movable surface 32 is in close contact with the sealing surface 41, the air leakage cavity 54 disappears, and the air leakage hole 51 and the communication hole 43 are closed , to return to the initial state.
- the direct-acting pressure relief pneumatic device of the present invention only uses the movable surface 32 at the bottom of the inflatable telescopic member 3, the air release hole 51 in the movable surface 32 and the touch piece 52 below the movable surface 32 to control the inflatable telescopic member. 3 It is self-defining, the structure is very simple, and there are no complicated parts and pipeline systems, so it has the advantages of reliable operation and simple structure.
- the present invention also discloses a second embodiment.
- the pneumatic device for direct-acting pressure relief further includes a return spring 6 , and the return spring 6 is arranged on the top of the follower 4 Between the bottom of the housing 1, the return spring 6 can make the follower 4 have a tendency to move toward the reset platform 21, and when the inflatable telescopic member 3 deflates and contracts, the return spring 6 6. It can cooperate with the restoration force of the external drain valve switch to reset the inflatable telescopic member 3 and the movable surface 32, which has a faster recovery speed and higher efficiency.
- the embodiment of the present invention also discloses an air-operated drain valve and a water tank (not shown in the figure).
- the pneumatic device for direct-acting pressure relief is provided with an inflatable telescopic member 3, a driven member 4, a touch member 52, a movable surface 32 and a vent hole 51, and when the vent water tank needs to be drained, the movable surface 32 Make the vent hole 51 in the closed state, the air pump in the vent water tank will inflate the inflatable telescopic part 3, make the inflatable telescopic part 3 expand and elongate, and then drive the driven part 4 to move downward, Finally, the follower 4 opens the drain valve switch under the force of air pressure, so that the draining can proceed.
- the pneumatic device of the air-controlled water tank in the embodiment of the present invention can realize the automatic pressure relief function, and the operation is reliable, and only use the original parts such as the inflatable expansion part 3, the follower 4, the touch part 52 and the additional movable surface 32 and air release.
- the structures of the holes 51 can realize a reliable self-pressure relief effect, so it has the advantages of simple structure and low cost.
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Abstract
一种直动泄压的气动装置、一种气控排水阀及一种水箱，所述直动泄压的气动装置包括壳体(1)、进气盖(2)、充气伸缩件(3)、从动件(4)和自泄压机构(5)，所述充气伸缩件(3)在充气后能够在所述壳体(1)内膨胀伸长，所述自泄压机构(5)包括泄气孔(51)和触动件(52)，所述泄气孔(51)设于所述充气伸缩件(3)上并处于常闭状态，所述触动件(52)固定于所述充气伸缩件(3)的活动端，在所述充气伸缩件(3)膨胀伸长到位后，所述触动件(52)能够打开所述泄气孔(51)使所述充气伸缩件(3)进行泄气收缩。一种气控排水阀，包括如上所述的直动泄压的气动装置。一种水箱，包括如上所述的直动泄压的气动装置。采用该直动泄压的气动装置，能够在充气到位后自动进行泄压，运作可靠而且结构非常精简，成本较低。
Description
本发明涉及气动装置技术领域，尤其涉及一种直动泄压的气动装置、一种气控排水阀及一种水箱。
传统坐便器中大多使用机械式的排水阀对水箱进行排水，在需要排水时，通常使用手动按压的方式来驱动排水阀进行打开，从而实现排水。随着人们对生活质量要求的提高，非接触式的排水阀逐渐应用到智能坐便器中。由于缺少手动按压的机械驱动，非接触式的排水阀需要一个额外的气动装置对排水阀的启动进行触发。
目前市场上常使用的气动装置由气泵、气囊和泄压阀组成，在需要排水时，启动气泵使气囊充气，气囊充气后膨胀伸长从而驱动从动杆对排水阀进行触发，但由于市场现有的气动装置都是不带泄压功能的，气泵通过气囊触发排水阀打开进行排水之后，整个气路充满压力气体，如果不对气囊进行泄气泄压，则气囊会无法缩小，导致从动杆一直顶在排水阀的打开开关处，使排水无法停止。为了实现气动装置的泄压功能，现有气动装置通常需要配置专用的泄压模块，增设电磁阀，通过气路转换对气囊进行排气以实现泄压，但这种方案需要额外增加电磁阀和管路、电路等部件，成本较高，而且结构复杂，占用空间大，内部走线杂乱，装配和维护都非常麻烦。
发明内容
本发明所要解决的技术问题在于，提供一种直动泄压的气动装置，能够在充气完毕后自动进行泄压，运作可靠而且结构非常精简，能够节省电器件，成本较低。
为了解决上述技术问题，本发明提供了一种直动泄压的气动装置，包括壳 体、进气盖、充气伸缩件和从动件，所述进气盖固定于所述壳体上部并与所述充气伸缩件密封连通，所述进气盖能够往所述充气伸缩件内充气，所述充气伸缩件在充气后能够在所述壳体内膨胀伸长，所述从动件与所述充气伸缩件的活动端连接，所述从动件能够到达所述壳体底部。
所述直动泄压的气动装置还包括自泄压机构，所述自泄压机构包括泄气孔和触动件，所述泄气孔设于所述充气伸缩件上并处于常闭状态，所述触动件固定于所述充气伸缩件的活动端，在所述充气伸缩件膨胀伸长到位后，所述触动件能够使所述泄气孔打开并使所述充气伸缩件进行泄气收缩。
作为上述方案的改进，所述充气伸缩件内部设有充气腔，所述充气伸缩件的活动端底部设有活动面，所述活动面的边缘与所述充气伸缩件的侧部柔性连接，所述活动面能够朝着所述充气腔的内部凹陷。
所述泄气孔设于所述活动面上，所述泄气孔与所述充气腔连通。
作为上述方案的改进，所述自泄压机构还包括挡位台，所述挡位台固定于所述壳体下部并设于所述触动件的下方，所述挡位台能够挡住所述触动件向下移动并使所述活动面朝着所述充气腔的内部凹陷。。
作为上述方案的改进，所述从动件与所述充气伸缩件之间设有密封面，所述密封面固定于所述从动件顶部，所述密封面能够与所述活动面紧贴并堵住所述泄气孔，所述活动面在朝着所述充气腔的内部凹陷时能够与所述密封面分离，分离后所述密封面能够与所述活动面围成泄气腔，所述泄气腔与外部大气连通。
作为上述方案的改进，所述从动件还包括顶筒，所述顶筒顶部与所述密封面固定连接，所述密封面的中部设有连通孔，所述连通孔与所述顶筒的内腔连通，所述顶筒的内腔与外部大气连通，所述活动面在与所述密封面紧贴时能够堵住所述连通孔。
所述泄气孔的位置与所述连通孔的位置相互错开。
作为上述方案的改进，所述触动件的两端分别设有连接头和触动头，所述连接头与所述活动面密封连接，所述触动头设有卡位凸台，所述卡位凸台设于所述触动头靠近所述连通孔的一端，所述触动件能够在所述连通孔内上下移动，所述卡位凸台能够将所述触动头的移动范围限制在所述顶筒内。
作为上述方案的改进，所述进气盖包括复位台，所述复位台位于所述触动件的上方并能与所述连接头相抵接，所述复位台能够挡住所述触动件向上移动 并使所述活动面恢复与所述密封面紧贴的状态。
作为上述方案的改进，直动泄压的气动装置还包括复位弹簧，所述复位弹簧设于所述从动件顶部与所述壳体底部之间，所述复位弹簧能够使所述从动件具有向着所述复位台方向移动的趋势。
作为上述方案的改进，所述壳体包括导向孔，所述导向孔设于所述壳体底部，所述顶筒能够插入所述导向孔中进行上下移动。
本发明还提供了一种气控排水阀，包括如上所述的直动泄压的气动装置。
本发明还提供了一种水箱，包括如上所述的直动泄压的气动装置。
实施本发明，具有如下有益效果：
本发明直动泄压的气动装置设有进气盖、充气伸缩件、从动件和自泄压机构，外部气泵与所述进气盖连接，并能将气体充入所述充气伸缩件中，在此过程中，所述自泄压机构中的泄气孔处于常闭状态，因而所述充气伸缩件能够无损耗、快速地膨胀伸长，并驱动所述从动件对外部排水阀进行打开，从而完成排水阀的触发操作。在所述充气伸缩件伸长到位后，所述自泄压机构中的触动件会对所述泄气孔进行打开，使所述充气伸缩件发生泄气，从而使排水阀能够逐渐复位关闭排水，因而利用所述自泄压机构，能够实现所述充气伸缩件的自动泄压，节省了额外的电磁阀等部件，具有泄压高效，成本低的优点。
本发明直动泄压的气动装置仅仅使用所述充气伸缩件底部的活动面、所述活动面中的泄气孔以及活动面下方的触动件，利用所述充气伸缩件本身的伸长和缩短特性，就能对所述充气伸缩件本身进行自动泄气，结构非常简单，而且没有复杂的部件、管道和电路系统，因此具有运行可靠、结构精简的优点。
图1是本发明直动泄压的气动装置第一实施例的拆分结构示意图；
图2是本发明直动泄压的气动装置第一实施例的剖面结构示意图；
图3是图2中A的局部图；
图4是本发明直动泄压的气动装置第一实施例的剖面结构示意图；
图5是图4中B的局部图；
图6是本发明充气伸缩件的结构示意图；
图7是本发明直动泄压的气动装置第一实施例第一状态的示意图；
图8是本发明直动泄压的气动装置第一实施例第二状态的示意图；
图9是本发明直动泄压的气动装置第一实施例第三状态的示意图；
图10是本发明直动泄压的气动装置第一实施例第四状态的示意图；
图11是本发明直动泄压的气动装置第二实施例的示意图。
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。仅此声明，本发明在文中出现或即将出现的上、下、左、右、前、后、内、外等方位用词，仅以本发明的附图为基准，其并不是对本发明的具体限定。
参见图1、图2、图3和图6，本发明第一实施例公开了一种直动泄压的气动装置，包括壳体1、进气盖2、充气伸缩件3和从动件4，所述进气盖2固定于所述壳体1上部并与所述充气伸缩件3密封连通，所述进气盖2与外部的气泵连通，气泵能够通过所述进气盖2往所述充气伸缩件3内充气，所述充气伸缩件3在充气后能够在所述壳体1内膨胀伸长，所述从动件4与所述充气伸缩件3的活动端连接，因此所述充气伸缩件3在膨胀伸长时会带动所述从动件4移动，在所述充气伸缩件3膨胀伸长到位后，所述从动件4能够到达所述壳体1底部。在所述从动件4到达所述壳体1底部的过程中，所述从动件4能够推动外部的排水阀逐渐打开并进行排水操作。所述充气伸缩件3为充入气体后能够产生弹性形变的物体如伸缩折叠气囊、伸缩气球、伸缩气膜等，在本实施例中，所述充气伸缩件3优选为伸缩折叠气囊，伸缩折叠气囊具有较稳定的伸长运动路径，适合在稳定的运动系统中使用。
为了实现自动泄压功能，所述直动泄压的气动装置还包括自泄压机构5，所述自泄压机构5包括泄气孔51和触动件52，所述泄气孔51设于所述充气伸缩件3上并处于常闭状态，在所述充气伸缩件3充气时，所述泄气孔51为密闭状态，所述充气伸缩件3能够无泄漏、无损耗地进行膨胀伸长，在所述充气伸缩件3进行膨胀伸长的过程中，所述从动件4能够触发外部排水阀进行排水。所述触动件52固定于所述充气伸缩件3的活动端，在所述充气伸缩件3膨胀伸长到位后，所述触动件52能够打开所述泄气孔51使所述充气伸缩件3进行泄气收缩，在泄压收缩后，所述充气伸缩件3逐渐缩短并带动所述从动件4向上运 动，此时外部的排水阀开关会逐渐关小并最终关闭，从而获得泄压关水的效果。
因此，本发明第一实施例的有益效果如下：
本发明第一实施例直动泄压的气动装置设有进气盖2、充气伸缩件3、从动件4和自泄压机构5，所述进气盖2与外部气泵连接，通过外部气泵能将气体充入所述充气伸缩件3中，由于内部气压增大，所述充气伸缩件3会膨胀并伸长，在此过程中，所述自泄压机构5中的泄气孔51处于常闭状态，因而所述充气伸缩件3能够无损耗、快速地膨胀伸长，在此过程中，气体对所述充气伸缩件3底部的作用力大于外部排水阀的开关阻力，从而使所述充气伸缩件3能够驱动所述从动件4对外部排水阀进行打开，从而完成排水阀的触发操作。在所述充气伸缩件3伸长到位后，所述自泄压机构5中的触动件52会对所述泄气孔51进行打开，使所述充气伸缩件3发生泄气，由于内部气压降低，气压对所述充气伸缩件3底部的作用力逐渐减小并小于外部排水阀的开关回复力或者小于所述充气伸缩件3本身的弹性收缩力，从而使排水阀能够逐渐复位并关闭排水，因而利用所述自泄压机构5，能够实现所述充气伸缩件3的自动泄压，节省了额外的电磁阀等部件，具有泄压高效，成本低的优点。
具体地，所述充气伸缩件3内部设有充气腔31，所述进气盖2充入的气体会在所述充气腔31内聚集，所述充气伸缩件3的活动端底部设有活动面32，所述活动面32的边缘与所述充气伸缩件3的侧部柔性连接，因此所述活动面32能够依附于所述充气伸缩件3的侧部进行上下翻折，当所述活动面32向上翻折时，所述活动面32能够朝着所述充气腔31的内部凹陷，从而使所述活动面32向上离开本来的位置。所述泄气孔51设于所述活动面32上，所述泄气孔51能够跟随所述活动面32进行上下移动，所述泄气孔51与所述充气腔31连通，所述泄气孔51打开时，所述充气腔31内的气体会从所述泄气孔51中排出。
参见图4和图5，所述自泄压机构5还包括挡位台53，所述挡位台53固定于所述壳体1下部并设于所述触动件52的下方，所述挡位台53能够挡住所述触动件52向下移动并使所述活动面32朝着所述充气腔31的内部凹陷。因此在所述充气伸缩件3进行膨胀伸长时，所述触动件52会跟随所述充气伸缩件3的活动端向下移动，在移动到一定位置后，所述触动件52会抵在所述挡位台53上，由于所述挡位台53的挡位作用，所述触动件52不再向下移动，但是由于所述充气伸缩件3在所述壳体1内还有膨胀空间，因此所述充气伸缩件3会继 续推动所述活动面32向下移动，此时由于所述触动件52与所述活动面32连接，在所述触动件52静止的情况下，所述活动面32会被所述触动件52的反作用力向上推动，从而使所述活动面32向上朝着所述充气腔31的内部凹陷。
为了保持所述泄气孔51的常闭状态，所述从动件4与所述充气伸缩件3之间设有密封面41，所述密封面41固定于所述从动件4顶部，所述密封面41能够与所述活动面32紧贴并堵住所述泄气孔51，在所述充气伸缩件3进行膨胀伸缩的过程中，所述密封面41一直与所述活动面32保持紧贴状态，因此能够将所述泄气孔51堵住实现常闭，而当所述触动件52到达所述挡位台53后，在所述挡位台53的作用下，所述活动面32会被所述触动件52反向带动向上朝着所述充气腔31的内部凹陷，此时所述活动面32在朝着所述充气腔31的内部凹陷时能够与所述密封面41分离，所述泄气孔51会跟随所述活动面32离开所述密封面41，至此，所述泄气孔51的密闭状态被打破，分离后所述密封面41能够与向上凹陷的所述活动面32围成泄气腔54，一方面，所述泄气腔54通过所述泄气孔51与所述充气腔31连通，另一方面，所述泄气腔54与外部大气连通，因此所述充气腔31内的气体会通过所述泄气孔51进入所述泄气腔54，并最终排出至外部大气中，从而使所述触动件52能够打开所述泄气孔51并使所述充气伸缩件3进行泄气收缩。
为了能够驱动外部排水阀，所述从动件4还包括顶筒42，所述顶筒42顶部与所述密封面41固定连接，所述顶筒42朝下伸出所述壳体1外，当所述充气伸缩件3充气膨胀伸长时，所述充气伸缩件3会推动所述顶筒42向下运动，所述顶筒42的底部会触碰到外部排水阀的开关，使排水阀打开。为了能够使所述充气伸缩件3中的气体排出至外部大气中，所述密封面41的中部设有连通孔43，所述连通孔43与所述顶筒42的内腔连通，所述顶筒42的内腔与外部大气连通，这样当所述充气伸缩件3通过所述泄气孔51进行泄气时，从所述充气腔31内进入至所述泄气腔54内的气体，会从所述连通孔43中进入至所述顶筒42内腔，再从所述顶筒42内腔排出至外部大气，从而实现泄气泄压的功能。为了使所述充气伸缩件3能够无损耗地充气膨胀，所述活动面32在与所述密封面41紧贴时能够堵住所述连通孔43，这样所述充气伸缩件3只有在所述活动面32向着所述充气腔31内部凹陷形成泄气腔54时，才能向外泄气，在其余时间所述泄气孔51和所述连通孔43都被所述活动面32堵住无法通气，实现密封，以达到让 所述充气伸缩件3能够正常无损耗地膨胀伸长的效果。另外，所述泄气孔51的位置与所述连通孔43的位置相互错开，从而使所述密封面41能够对所述泄气孔51进行密封，所述活动面32能够对所述连通孔43进行密封，避免发生串气。
进一步地，所述触动件52能够穿过所述连通孔43，所述触动件52能够在所述连通孔43内上下移动，所述触动件52的两端分别设有连接头521和触动头522，所述连接头521与所述活动面32密封连接，所述活动面32通过所述连接头521带动所述触动件52运动，所述触动头522设有卡位凸台523，所述卡位凸台523设于所述触动头522靠近所述连通孔43的一端，所述卡位凸台523的横截面大于所述连通孔43，因此在所述活动面32朝着所述充气腔31内部凹陷带动所述触动件52朝上运动时，所述卡位凸台523会顶在所述连通孔43边缘，使所述触动头522不会越过所述连通孔43，因此所述卡位凸台523能够将所述触动头522的移动范围限制在所述顶筒42内，能够防止所述触动头522跳出至连通孔43上方，使其失去固定，影响后续的动作。
在所述充气伸缩件3泄气收缩后，由于没有外力作用，所述活动面32会一直维持凹陷状态，为了使所述活动面32恢复，所述进气盖2还设有复位台21，所述复位台21位于所述触动件52的上方并能与所述连接头521相抵接，所述复位台21优选为长柱形并竖直设置，当所述充气伸缩件3收缩时，所述活动面32和所述连接头521朝上运动，在运动至恢复位时，所述连接头521会抵在所述复位台21上，随着所述充气伸缩件3的继续收缩，所述复位台21能够挡住所述触动件52向上移动，此时由于所述复位台21对所述触动件52有反作用力，所述活动面32会向下翻折恢复原状，所述泄气腔54消失，而所述连接头521也会随着所述活动面32回到所述密封面41上，因此所述复位台21能够使所述活动面32恢复与所述密封面41紧贴的状态。在恢复之后，所述密封面41会再次堵住所述泄气孔51，所述活动面32会再次堵住所述连通孔43。
为了限制所述从动件4的运动方向，所述壳体1还包括导向孔11，所述导向孔11设于所述壳体1底部，所述顶筒42能够插入所述导向孔11中进行上下移动，从而确保所述充气伸缩件3和所述从动件4能够对准外部排水阀的开关，也保证了所述活动面32能够正确受力，实现正常的翻折凹陷和恢复。
本发明第一实施例的工作原理及工作过程如下：
参见图7，在正常状态下，所述连接头521抵在所述复位台21上，所述活 动面32与所述密封面41紧贴，所述泄气孔51和所述连通孔43处于关闭状态；参见图8，在需要排水时，外部气泵启动并通过所述进气盖2对所述充气伸缩件3进行充气，所述充气伸缩件3在增大的气压作用下开始膨胀伸长，在所述导向孔11的限位作用下，所述充气伸缩件3推动所述从动件4向下运动，随后所述顶筒42底部会触碰到外部排水阀的开关，所述充气伸缩件3受到的气压作用力大于外部排水阀的开关触发力，此时开关打开开始排水，在此过程中，所述泄气孔51一直处于关闭状态；参见图9，之后所述充气伸缩件3继续进行伸长，随后所述触动头522会抵接在所述挡位台53上，由于所述充气伸缩件3继续伸长，所述挡位台53会给所述触动头522提供反作用力，反作用力作用在所述活动面32上，使所述活动面32朝着所述充气腔31的内部凹陷，所述活动面32与所述密封面41分离形成所述泄气腔54，所述泄气孔51和所述连通孔43同时打开，所述充气腔31内的气体通过所述泄气孔51进入所述泄气腔54，并从所述连通腔排出至外部大气中，此时排水动作完成；参见图10，之后外部排水阀开关的恢复力大于所述充气腔31内的气压作用力，所述充气伸缩件3开始泄气收缩，外部排水阀开关逐渐关闭，所述顶筒42推动所述充气伸缩件3向上移动，并使所述连接头521抵在所述复位台21上，所述顶筒42继续推动所述充气伸缩件3，使所述复位台21对所述触动头522产生反作用力，反作用力促使所述活动面32向下翻折恢复原状，所述活动面32与所述密封面41紧贴，所述泄气腔54消失，所述泄气孔51和所述连通孔43关闭，恢复至初始状态。
本发明直动泄压的气动装置仅仅使用所述充气伸缩件3底部的活动面32、所述活动面32中的泄气孔51以及活动面32下方的触动件52，能够对所述充气伸缩件3本身进行自动泄气，结构非常简单，而且没有复杂的部件和管道系统，因此具有运行可靠、结构精简的优点。
参见图11，本发明还公开了第二实施例，在第二实施例中，所述直动泄压的气动装置还包括复位弹簧6，所述复位弹簧6设于所述从动件4顶部与所述壳体1底部之间，所述复位弹簧6能够使所述从动件4具有向着所述复位台21方向移动的趋势，在所述充气伸缩件3泄气收缩时，所述复位弹簧6能够协同外部排水阀开关的恢复力对所述充气伸缩件3和所述活动面32进行复位，具有更快的恢复速度，效率更高。
本发明实施例还公开了一种气控排水阀和一种水箱(图中未示出)，所述气 控排水阀和水箱均包括如上所述的直动泄压的气动装置，在本实施例中，所述直动泄压的气动装置设有充气伸缩件3、从动件4、触动件52、活动面32和泄气孔51，在所述气孔水箱需要排水时，所述活动面32使所述泄气孔51处于关闭状态，所述气孔水箱内的气泵会给所述充气伸缩件3充气，使所述充气伸缩件3膨胀伸长，进而驱动所述从动件4向下移动，最终所述从动件4在气压作用力下打开排水阀开关，使排水进行。当所述充气伸缩件3继续下行，所述触动件52会向上运动使所述活动面32向上凹陷，从而打开所述泄气孔51，使所述充气伸缩件3发生自动泄气，此时所述充气伸缩件3会慢慢收缩，排水阀的开关逐渐关闭。因此本发明实施例气控水箱的气动装置能够实现自动泄压功能，运作可靠，而且仅仅使用充气伸缩件3、从动件4、触动件52这些原有部件以及额外开设的活动面32和泄气孔51这些结构，即可实现可靠的自泄压效果，因此具有结构精简，成本较低的优点。
以上是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。
Claims (11)
- 一种直动泄压的气动装置，其特征在于，包括壳体、进气盖、充气伸缩件和从动件，所述进气盖固定于所述壳体上部并与所述充气伸缩件密封连通，所述进气盖能够往所述充气伸缩件内充气，所述充气伸缩件在充气后能够在所述壳体内膨胀伸长，所述从动件与所述充气伸缩件的活动端连接，所述从动件能够到达所述壳体底部；所述直动泄压的气动装置还包括自泄压机构，所述自泄压机构包括泄气孔和触动件，所述泄气孔设于所述充气伸缩件上并处于常闭状态，所述触动件固定于所述充气伸缩件的活动端，在所述充气伸缩件膨胀伸长到位后，所述触动件能够使所述泄气孔打开并使所述充气伸缩件进行泄气收缩。
- 根据权利要求1所述的直动泄压的气动装置，其特征在于，所述充气伸缩件内部设有充气腔，所述充气伸缩件的活动端底部设有活动面，所述活动面的边缘与所述充气伸缩件的侧部柔性连接，所述活动面能够朝着所述充气腔的内部凹陷；所述泄气孔设于所述活动面上，所述泄气孔与所述充气腔连通。
- 根据权利要求2所述的直动泄压的气动装置，其特征在于，所述自泄压机构还包括挡位台，所述挡位台固定于所述壳体下部并设于所述触动件的下方，所述挡位台能够挡住所述触动件向下移动并使所述活动面朝着所述充气腔的内部凹陷。
- 根据权利要求2所述的直动泄压的气动装置，其特征在于，所述从动件与所述充气伸缩件之间设有密封面，所述密封面固定于所述从动件顶部，所述密封面能够与所述活动面紧贴并堵住所述泄气孔，所述活动面在朝着所述充气腔的内部凹陷时能够与所述密封面分离，分离后所述密封面能够与所述活动面围成泄气腔，所述泄气腔与外部大气连通。
- 根据权利要求4所述的直动泄压的气动装置，其特征在于，所述从动 件还包括顶筒，所述顶筒顶部与所述密封面固定连接，所述密封面的中部设有连通孔，所述连通孔与所述顶筒的内腔连通，所述顶筒的内腔与外部大气连通，所述活动面在与所述密封面紧贴时能够堵住所述连通孔；所述泄气孔的位置与所述连通孔的位置相互错开。
- 根据权利要求5所述的直动泄压的气动装置，其特征在于，所述触动件的两端分别设有连接头和触动头，所述连接头与所述活动面密封连接，所述触动头设有卡位凸台，所述卡位凸台设于所述触动头靠近所述连通孔的一端，所述触动件能够在所述连通孔内上下移动，所述卡位凸台能够将所述触动头的移动范围限制在所述顶筒内。
- 根据权利要求6所述的直动泄压的气动装置，其特征在于，所述进气盖包括复位台，所述复位台位于所述触动件的上方并能与所述连接头相抵接，所述复位台能够挡住所述触动件向上移动并使所述活动面恢复与所述密封面紧贴的状态。
- 根据权利要求7所述的直动泄压的气动装置，其特征在于，所述直动泄压的气动装置还包括复位弹簧，所述复位弹簧设于所述从动件顶部与所述壳体底部之间，所述复位弹簧能够使所述从动件具有向着所述复位台方向移动的趋势。
- 根据权利要求5所述的直动泄压的气动装置，其特征在于，所述壳体包括导向孔，所述导向孔设于所述壳体底部，所述顶筒能够插入所述导向孔中进行上下移动。
- 一种气控排水阀，其特征在于，包括如权利要求1-9任一项所述的直动泄压的气动装置。
- 一种水箱，其特征在于，包括如权利要求1-9任一项所述的直动泄压的气动装置。
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| EP1719847A2 (de) * | 2005-05-02 | 2006-11-08 | Grohedahl Sanitarsysteme GmBH & Co. KG | Betätigungsvorrichtung für ein Spülkastenablaufventil |
| CN206581357U (zh) * | 2017-02-21 | 2017-10-24 | 科勒(中国)投资有限公司 | 气动按压装置 |
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