CN109296796B - Mechanical time delay device - Google Patents
Mechanical time delay device Download PDFInfo
- Publication number
- CN109296796B CN109296796B CN201811528169.9A CN201811528169A CN109296796B CN 109296796 B CN109296796 B CN 109296796B CN 201811528169 A CN201811528169 A CN 201811528169A CN 109296796 B CN109296796 B CN 109296796B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- oil
- oil cavity
- piston rod
- guide rail
- Prior art date
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 64
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
- F16K21/04—Self-closing valves, i.e. closing automatically after operation
- F16K21/06—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening
- F16K21/12—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening with hydraulically-operated opening means; with arrangements for pressure relief before opening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Amplifiers (AREA)
- Actuator (AREA)
Abstract
The invention provides a mechanical time delay device, which comprises a guide rail, a sliding block and an oil cylinder fixedly connected with the sliding block through a connecting rod, wherein a supporting part is arranged on the sliding block, a mounting groove is formed at the upper port of the guide rail, a reset spring is arranged in the mounting groove, the supporting part is in contact with and supported at the upper end of the reset spring, the sliding block is provided with a free position and a compression position, the oil cylinder comprises a cylinder body, a cylinder cover, a piston rod and a pressure spring, the piston divides the cylinder body into an upper oil cavity and a lower oil cavity, the piston is axially provided with an oil hole which is communicated with the upper oil cavity and the lower oil cavity, the pressure spring is arranged in the upper oil cavity, and the piston rod is provided with a closing position for pushing a water valve switch to close when the sliding block is in the free position and the compression position and an opening position for keeping away from the water valve switch after the sliding block is reset from the compression state to the free position. The invention realizes mechanical time delay and effectively solves the problems that the electronic time delay device has complex structure, is easy to fail and can not work under the condition of power failure or power failure.
Description
Technical Field
The invention relates to the technical field of delay devices, in particular to a mechanical delay device mainly used for flushing a toilet.
Background
It is known to flush the toilet in time after it is finished to ensure hygiene. The existing closestool is provided with a delay device which enables a water valve to be opened and closed for a certain time so as to clean excrement in the closestool. Most of the delay devices used on the existing toilets are electronic, and have the characteristic of higher precision, but the electronic delay devices are complex in structure, so that the stability is poor, and the damage is easy to occur after long-time use; in addition, the electronic time delay device takes mains supply as a power supply, and can not work under the condition that the mains supply is powered off or has a power failure, so that the situation that a toilet cannot be flushed occurs.
Disclosure of Invention
The invention aims to provide a mechanical delay device, which aims to solve the problems that an electronic delay device is complex in structure, easy to fail and cannot work under the condition of power failure or power failure.
In order to achieve the above purpose, the mechanical time delay device of the invention adopts the following technical scheme: the mechanical time delay device comprises a guide rail guided up and down, a sliding block is assembled on the guide rail in a sliding way, a supporting part used for being in contact with and supported on the guide rail is arranged at the edge of the upper end of the sliding block, a mounting groove is formed in the upper port of the guide rail, a return spring is installed in the mounting groove, the supporting part is in contact with and supported at the upper end of the return spring, the sliding block is provided with a free position and a compression position which is pressed or pulled to slide downwards along the guide rail, an oil cylinder which extends along the upper and lower directions axially is fixedly connected to the sliding block through a connecting rod, the oil cylinder comprises a cylinder body, a cylinder cover, a piston rod and a pressure spring which pushes the piston under the action of elastic force to enable a fire piston rod to slide downwards, the piston divides the cylinder body into an upper oil cavity and a lower oil cavity, an oil hole which is communicated with the upper oil cavity and the lower oil cavity is axially formed in the piston, and the pressure spring is arranged in the upper oil cavity, and the piston rod is provided with a closing position for pushing a water valve switch when the sliding block is in the free position and a compression position, and an opening position for opening the water valve switch is used for being far away from the water valve switch after the sliding block is reset from the free position.
The oil hole comprises a first oil hole and a second oil hole with the aperture smaller than that of the first oil hole, the first oil hole is provided with a first one-way valve which is used for enabling hydraulic oil to flow from an upper oil cavity to a lower oil cavity, and the second oil hole is provided with a second one-way valve which is used for enabling hydraulic oil to flow from the lower oil cavity to the upper oil cavity.
The head of the piston rod is provided with a telescopic rod for adjusting the delay time.
The lower part of the piston rod is of a hollow structure and is provided with a jackscrew structure, and the telescopic rod is inserted into the piston rod and is adjusted and fixed through the jackscrew structure.
And a guide sleeve with sealing and guiding functions is arranged on the cylinder cover.
The lower part of the sliding block is provided with an L-shaped linkage arm, and the overhanging end of the linkage arm extends out of the guide rail.
The overhanging end of the connecting arm is provided with an upward bending section, and the upper end of the bending section is provided with a pedal.
The cylinder body is characterized in that a pressing protrusion which is convenient to press is arranged on the outer side face of the cylinder bottom of the cylinder body.
The beneficial effects of the invention are as follows: when the sliding block is in a free position, the piston rod is in a closed position, namely the head of the piston rod is propped against the water valve switch (which is quite fixed with the piston rod), at the moment, the sliding block is pressed or pulled down to enable the sliding block to slide down to a compression position, the cylinder body is driven to move down in the sliding process of the sliding block, hydraulic oil flows to the lower oil cavity from the upper oil cavity, the pressure spring is compressed by the cylinder body and the piston, the force of the pressing or pulling down the sliding block is removed, the sliding block is quickly reset to the free position under the action of the reset spring, the cylinder body and the piston rod are driven to move up to enable the piston rod to be far away from the water valve switch and be in an open position, then the piston slides down along the cylinder body under the pushing of the pressure spring, and the hydraulic oil in the lower oil cavity flows from the oil hole to the upper hydraulic cavity with a small flow, so that the piston drives the piston rod to slide down slowly until the water valve switch which is propped up to reset to the closed position again, and mechanical time delay is realized, and the problems that an electronic time delay device is complex in structure, faults and can be easily caused, and can not work under the condition of power failure or are effectively solved; meanwhile, the invention has simple structure and low cost, and is suitable for a plurality of fields.
Drawings
FIG. 1 is a schematic view of a mechanical delay device of embodiment 1 of the present invention;
FIG. 2 is a schematic illustration of the piston of FIG. 1;
FIG. 3 is a schematic view showing a state in which the slider in embodiment 1 is pressed or pulled down from the free position to the compressed position;
FIG. 4 is a schematic view showing a state in which the slider in embodiment 1 is reset from the compressed position to the free position;
FIG. 5 is a schematic structural view of an embodiment 2 of a mechanical delay device of the present invention;
fig. 6 is a schematic structural diagram of an embodiment 3 of a mechanical delay device of the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
The invention relates to a mechanical time delay device which is mainly used for flushing a toilet. In the embodiment 1, as shown in fig. 1 to 2, the mechanical delay device comprises a guide rail 1 guided along the up-down direction, a sliding block 2 is slidably arranged on the guide rail, and a supporting part 3 is arranged at the upper end edge of the sliding block 2. The upper port department of guide rail 1 has offered the mounting groove, installs reset spring 4 in the mounting groove, and the supporting part 3 contact supports in reset spring 4's upper end and makes slider 2 contact support on guide rail 1, and slider 2 has free position and pressurized or pressurized and the compression position of sliding down along guide rail 1, has linked firmly the hydro-cylinder that extends along the upper and lower direction axially on the slider 2 through connecting rod 5. In this embodiment, the connecting rod 5 is in an inverted L shape, the lower end of the connecting rod 5 is fixedly connected to the slider 2, and the overhanging end of the connecting rod 5 is bent downward to be fixedly connected with the bottom of the cylinder. The oil cylinder comprises a cylinder body 6, a cylinder cover 7, a piston 8, a piston rod 9 and a pressure spring 10 which pushes the piston 8 under the action of elasticity to enable the piston rod 9 to slide downwards, wherein a guide ring 11 is arranged on the cylinder cover 7, and the guide ring 11 plays roles in guiding the piston rod 9 to slide up and down and sealing between the piston rod 9 and the cylinder cover 7 so as to prevent oil leakage. The piston 8 divides the cylinder 6 into an upper oil chamber and a lower oil chamber, the compression spring 10 is arranged in the upper oil chamber, an oil hole 81 for limiting flow is axially arranged on the piston 8, which communicates the upper oil chamber and the lower oil chamber, and the piston rod 9 has a closing position for pressing the water valve switch 14 to close the water valve when the slide block 2 is in a free position and a compressed position, and an opening position for keeping away from the water valve switch 14 to open the water valve after the slide block 2 is reset from the compressed state to the free position.
The head of the piston rod 9 is provided with a telescopic rod 12, and the stroke between the telescopic rod 12 and a water valve switch 14 is controlled by adjusting the extension length of the telescopic rod 12, so that the adjustment of the delay time is realized. In this embodiment, the lower part of the piston rod 9 is of a hollow structure and is provided with a jackscrew structure 13, and the telescopic rod is inserted into the piston rod 9 and is adjusted and fixed by the jackscrew structure 13.
The oil hole 81 includes a first oil hole 811 and a second oil hole 812 having a smaller bore diameter than the first oil hole 811, the first oil hole 811 is provided with a first check valve for allowing only hydraulic oil to flow from the upper oil chamber to the lower oil chamber, the second oil hole 812 is provided with a second check valve for allowing only hydraulic oil to flow from the lower oil chamber to the upper oil chamber, thus reducing the external force for sliding down the slider 2 and improving the sliding down speed of the slider 2, and under the action of the compression spring, the fire plug 8 slides down more slowly to increase the delay time.
The working principle of the embodiment is as follows: when the sliding block 2 is in the free position, as shown in fig. 1, the piston rod 9 is in the closed position, i.e. the head of the telescopic rod 12 is propped against the water valve switch (which is fixed with the piston rod 9), at the moment, the cylinder body 6 is pressed or the connecting rod 5 is pressed or the sliding block 2 is pulled down or the connecting rod 5 is pulled down, so that the sliding block 2 slides down to the compressed position, as shown in fig. 3, the sliding block 2 slides down to drive the cylinder body 6 to move down, hydraulic oil in the upper oil cavity flows to the lower oil cavity through the first hole, the pressure spring 10 is further compressed by the cylinder body 6 and the piston 8, the external force is removed, the sliding block is quickly reset to the free position from the compressed position under the action of the reset spring 1, the piston rod 9 is driven to move up to the piston rod 6 away from the water valve switch to be in the open position, as shown in fig. 4, then the piston 8 slides down along the cylinder body 6 under the pushing of the pressure spring 10, and the hydraulic oil in the lower oil cavity flows up to the upper oil cavity with a small flow rate, so that the piston 5 slides down until the propped against the switch 14 to reset to the closed position, (i.e. the position shown in fig. 1), the mechanical delay of the water valve is realized.
As shown in fig. 5, in embodiment 2 of a mechanical delay device of the present invention, the difference between this embodiment and embodiment 1 is that: the outer side surface of the bottom of the cylinder body is convexly provided with a pressing protrusion 15, and the pressing protrusion 15 is convenient for downwards pressing the cylinder body when the toilet is assembled with a toilet; of course, the present invention may be buried in civil engineering, where the pressing protrusion 15 is exposed to the ground, so as to facilitate the pressing.
The working principle of this embodiment is the same as that of embodiment 1, and will not be described here again.
Embodiment 3 of a mechanical delay device of the present invention, as shown in fig. 6, differs from embodiment 1 only in that: the lower part of the sliding block 2 is provided with an L-shaped linkage arm 16, and the overhanging end of the linkage arm 16 extends out of the guide rail 1 so as to conveniently press the linkage arm 16 to drive the sliding block 2 to slide downwards. In order to meet the requirements of civil engineering and operation, in this embodiment, an upward bending section is provided at the overhanging end of the connecting arm 16, and a pedal 17 is provided at the upper end of the bending section.
The working principle of this embodiment is the same as that of embodiment 1, and will not be described here again.
In other embodiments, the fixing position of the connecting rod and the oil cylinder is not limited, so long as the connecting rod and the oil cylinder can be linked, for example, the connecting rod is fixedly connected with the side wall of the cylinder body, and the connecting rod is fixedly connected with the cylinder cover.
In other embodiments, the telescopic rod may be connected to the piston rod by a threaded connection, although the telescopic rod may not be provided.
Finally, it should be noted that: the invention can be applied to delay of toilet flushing and delay in other fields.
Claims (4)
1. A mechanical time delay device, characterized by: the hydraulic valve comprises a guide rail which guides up and down, a sliding block is slidingly assembled on the guide rail, the upper end edge of the sliding block is provided with a supporting part which is used for being contacted and supported on the guide rail, the upper port of the guide rail is provided with a mounting groove, a return spring is arranged in the mounting groove, the supporting part is contacted and supported at the upper end of the return spring, the sliding block is provided with a free position and a compression position which is pressed or pulled to slide downwards along the guide rail, the sliding block is fixedly connected with an oil cylinder which extends along the up-down direction axially through a connecting rod, the oil cylinder comprises a cylinder body, a cylinder cover, a piston rod and a pressure spring which pushes the piston to enable the piston rod to slide downwards under the action of elastic force, the piston divides the cylinder body into an upper oil cavity and a lower oil cavity, the piston is axially provided with an oil hole which is communicated with the upper oil cavity and the lower oil cavity, the pressure spring is arranged in the upper oil cavity, and the piston rod is provided with a closing position which is used for pushing and pressing a water valve switch when the sliding block is in the free position and a compression position, and an opening position which is used for opening the water valve switch after the sliding block is reset from the compression state to the free position;
the oil hole comprises a first oil hole and a second oil hole with a smaller pore diameter than the first oil hole, the first oil hole is provided with a first one-way valve which is used for enabling hydraulic oil to flow from an upper oil cavity to a lower oil cavity, and the second oil hole is provided with a second one-way valve which is used for enabling hydraulic oil to flow from the lower oil cavity to the upper oil cavity;
the head part of the piston rod is provided with a telescopic rod for adjusting the delay time;
the lower part of the piston rod is of a hollow structure and is provided with a jackscrew structure, and the telescopic rod is inserted in the piston rod and is adjusted and fixed through the jackscrew structure;
and the cylinder cover is provided with a guide ring which plays a role in sealing and guiding.
2. The mechanical delay device of claim 1 wherein: the lower part of the sliding block is provided with an L-shaped linkage arm, and the overhanging end of the linkage arm extends out of the guide rail.
3. The mechanical delay device of claim 2 wherein: the overhanging end of the connecting arm is provided with an upward bending section, and the upper end of the bending section is provided with a pedal.
4. The mechanical delay device of claim 1 wherein: the cylinder body is characterized in that a pressing protrusion which is convenient to press is arranged on the outer side face of the cylinder bottom of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528169.9A CN109296796B (en) | 2018-12-13 | 2018-12-13 | Mechanical time delay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528169.9A CN109296796B (en) | 2018-12-13 | 2018-12-13 | Mechanical time delay device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296796A CN109296796A (en) | 2019-02-01 |
| CN109296796B true CN109296796B (en) | 2023-12-08 |
Family
ID=65141687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528169.9A Active CN109296796B (en) | 2018-12-13 | 2018-12-13 | Mechanical time delay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296796B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3409509A1 (en) * | 1984-03-15 | 1985-09-19 | Meloh-Armaturen GmbH, 5860 Iserlohn | Self-closing shut-off valve with a timing mechanism |
| EP0264638A2 (en) * | 1986-10-14 | 1988-04-27 | Metallwerke Gebr. Seppelfricke GmbH & Co. | Flush valve for a water closet |
| CN87203546U (en) * | 1987-03-06 | 1988-05-25 | 何晓华 | Delay autostop flush valve |
| CN2040206U (en) * | 1988-12-02 | 1989-06-28 | 翟万斌 | Adjustable delayed-close flushing valve |
| CN2142910Y (en) * | 1992-05-23 | 1993-09-29 | 朱兆礼 | pedal hydraulic delay valve |
| FR2734334A1 (en) * | 1995-05-17 | 1996-11-22 | Delabie Sa | Push button tap for water with automatic timed delay closure where flow only commences on release of button |
| KR20030017925A (en) * | 2001-08-25 | 2003-03-04 | 주식회사 기승금속 | auto-shutting type faucet |
| CN2729466Y (en) * | 2004-10-11 | 2005-09-28 | 陈金富 | Time adjustable self-closing water saving device |
| GB0803590D0 (en) * | 2008-02-27 | 2008-04-02 | Chen Huo Huang | Self-closing water saving valve |
| EP2157250A1 (en) * | 2008-08-12 | 2010-02-24 | Delabie | Tap with flexible operation and dual delay timer for fluid delivering |
| KR20110048620A (en) * | 2009-11-03 | 2011-05-12 | 장경태 | Time delay mechanism for water valve |
| CN202056374U (en) * | 2011-05-21 | 2011-11-30 | 浙江海欣五金制品有限公司 | Valve plug of time-delay valve |
| CN106321922A (en) * | 2016-08-22 | 2017-01-11 | 开平市玛格纳卫浴有限公司 | Hydraulically-delayed self-closed water-saving water faucet valve element |
| CN209540137U (en) * | 2018-12-13 | 2019-10-25 | 任泊向 | Mechanical time-delay mechanism |
-
2018
- 2018-12-13 CN CN201811528169.9A patent/CN109296796B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3409509A1 (en) * | 1984-03-15 | 1985-09-19 | Meloh-Armaturen GmbH, 5860 Iserlohn | Self-closing shut-off valve with a timing mechanism |
| EP0264638A2 (en) * | 1986-10-14 | 1988-04-27 | Metallwerke Gebr. Seppelfricke GmbH & Co. | Flush valve for a water closet |
| CN87203546U (en) * | 1987-03-06 | 1988-05-25 | 何晓华 | Delay autostop flush valve |
| CN2040206U (en) * | 1988-12-02 | 1989-06-28 | 翟万斌 | Adjustable delayed-close flushing valve |
| CN2142910Y (en) * | 1992-05-23 | 1993-09-29 | 朱兆礼 | pedal hydraulic delay valve |
| FR2734334A1 (en) * | 1995-05-17 | 1996-11-22 | Delabie Sa | Push button tap for water with automatic timed delay closure where flow only commences on release of button |
| KR20030017925A (en) * | 2001-08-25 | 2003-03-04 | 주식회사 기승금속 | auto-shutting type faucet |
| CN2729466Y (en) * | 2004-10-11 | 2005-09-28 | 陈金富 | Time adjustable self-closing water saving device |
| GB0803590D0 (en) * | 2008-02-27 | 2008-04-02 | Chen Huo Huang | Self-closing water saving valve |
| EP2157250A1 (en) * | 2008-08-12 | 2010-02-24 | Delabie | Tap with flexible operation and dual delay timer for fluid delivering |
| KR20110048620A (en) * | 2009-11-03 | 2011-05-12 | 장경태 | Time delay mechanism for water valve |
| CN202056374U (en) * | 2011-05-21 | 2011-11-30 | 浙江海欣五金制品有限公司 | Valve plug of time-delay valve |
| CN106321922A (en) * | 2016-08-22 | 2017-01-11 | 开平市玛格纳卫浴有限公司 | Hydraulically-delayed self-closed water-saving water faucet valve element |
| CN209540137U (en) * | 2018-12-13 | 2019-10-25 | 任泊向 | Mechanical time-delay mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109296796A (en) | 2019-02-01 |
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