CN212839411U - Control valve and water outlet device thereof - Google Patents
Control valve and water outlet device thereof Download PDFInfo
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- CN212839411U CN212839411U CN202020957838.0U CN202020957838U CN212839411U CN 212839411 U CN212839411 U CN 212839411U CN 202020957838 U CN202020957838 U CN 202020957838U CN 212839411 U CN212839411 U CN 212839411U
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Abstract
The utility model discloses a control valve and play water installation thereof, control part and drive division detachable be connected, can carry out independent installation earlier with control part and drive division, install separately and accomplish the back, assemble drive division and control division between the two again for drive division and control division's assembly is more convenient. And if one part of the driving part and the control part is damaged, the part is replaced by a new part, so that the maintenance cost is reduced. And the structure of the whole control valve can be more compact, small and exquisite and occupy small space, and the control valve can be used as valve structures such as a switch valve, a switching valve, a check valve and the like.
Description
Technical Field
The utility model relates to a valve structure field.
Background
If the granted publication number is CN209725371U, the patent name is Chinese patent with flow regulation function pressing valve core, it includes shell and flow regulation mechanism, back pressure mechanism, automatic pen pressing mechanism installed in the shell; the shell comprises a base, a shell and an adjusting sleeve, wherein a water inlet and a water outlet are formed in the lower portion of the base, a flow adjusting mechanism is installed above the water outlet, and the ceramic moving piece of the flow adjusting mechanism is driven to rotate relative to the ceramic fixed piece by rotating the adjusting sleeve so as to change the water passing area; the backpressure mechanism comprises a valve cover, a valve seat, a sealing seat and a sealing gasket, the sealing seat, the sealing gasket and the valve cover jointly form a sealing cavity, the sealing seat is provided with a pressure relief opening, the valve seat is provided with a drainage channel communicated with a water inlet and a water outlet, the drainage channel is located below the sealing gasket, the automatic pen pressing mechanism downwards blocks the pressure relief opening, the water pressure of the sealing cavity is greater than the outside, the sealing gasket deforms to block the drainage channel, a water path is disconnected, and otherwise, the water path circulates.
Because this back pressure mechanism top of pressing the case sets up the automatic pen and presses mechanism, cause whole case height higher, the volume is great, occupy the great, the less scheduling problem of flow like this. And, the back pressure mechanism and the automatic pen pressing mechanism can not be assembled after being independently installed, and the installation is extremely inconvenient. Meanwhile, if one of the mechanisms is damaged, the whole valve core needs to be replaced again, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control valve and water outlet device thereof, it has overcome the not enough that the background art exists. The utility model provides one of the technical scheme that its technical problem adopted is:
a control valve, comprising:
a drive section including a drive lever switchable between at least two drive positions; and
the control part is detachably connected with the driving part and is provided with at least two flow passages, and the driving rod can control the on-off of the two flow passages or the switching among the multiple flow passages.
In a preferred embodiment: the driving rod is provided with a first driving position and a second driving position, the control part is provided with a first flow passage and a second flow passage, and the driving rod is switched between the first driving position and the second driving position to control the connection and disconnection between the first flow passage and the second flow passage.
In a preferred embodiment: the driving part comprises a driving shell and a triggering piece, and the triggering piece is movably connected to the driving shell and is in transmission connection with one end of the driving rod; the control part comprises a control shell and a control valve core, the first flow channel and the second flow channel are arranged in the control shell, the control valve core is arranged in the control shell, the driving shell is detachably connected with the control shell, and the other end of the driving rod extends into the control shell and is matched with the control valve core.
In a preferred embodiment: the control valve core comprises a sealing gasket and a first elastic part, one side of the sealing gasket can be in sealing fit with the joint of the first flow channel and the second flow channel, a back pressure cavity is formed between the other side of the sealing gasket and the control shell, the first elastic part is located in the back pressure cavity, two ends of the first elastic part respectively abut against the control shell and the sealing gasket, the control shell is further provided with a pressure relief channel communicated with the second flow channel, the other end of the driving rod can seal or open the pressure relief channel, the sealing gasket seals the joint of the first flow channel and the second flow channel when the driving rod seals the pressure relief channel so as to disconnect the first flow channel and the second flow channel, and the sealing gasket leaves the joint of the first flow channel and the second flow channel so as to communicate the first flow channel and the second flow channel when.
In a preferred embodiment: the sealing gasket is provided with a connecting channel which can be communicated with the pressure relief channel and the second flow channel, the sealing gasket is also provided with a pressure regulating hole which can be communicated with the back pressure cavity and the first flow channel, and the first elastic piece is provided with a pressing pin which is always positioned in the pressure regulating hole.
In a preferred embodiment: the control shell is internally provided with a hollow guide rod, the inside of the guide rod is a part of the pressure relief channel, and the guide rod always extends into the connecting channel to guide the sealing gasket.
In a preferred embodiment: the control shell is provided with a hollow installation part, the inside of the installation part is a part of the pressure relief channel, the drive shell is assembled with the installation part, and the other end of the drive rod extends into the installation part.
In a preferred embodiment: a hollow sealing plug is arranged in the pressure relief channel, the pressure relief channel is closed when the driving rod is inserted into the sealing plug, and the pressure relief channel is opened when the driving rod leaves the sealing plug.
In a preferred embodiment: still set up first sealing washer and second sealing washer in the installation department, first sealing washer and second sealing washer are located the upper and lower side of sealing plug respectively.
In a preferred embodiment: the trigger piece is a button, and is additionally provided with a transmission mechanism which is positioned in the driving shell and is in transmission connection with the button and the driving rod.
In a preferred embodiment: the transmission mechanism comprises a first ratchet, a second ratchet, a mandrel and a second elastic piece, the first ratchet is fixedly connected with the button, the second ratchet is in transmission fit with the first ratchet, the mandrel can move relative to the driving shell and is in transmission fit with the pressing part, and two ends of the second elastic piece are abutted between the mandrel and the control shell.
The utility model provides a second of the technical scheme that its technical problem adopted: and the water outlet device applies the control valve.
Compared with the background technology, the technical scheme has the following advantages:
1. the control part is detachably connected with the driving part, the control part and the driving part can be independently installed, and after the control part and the driving part are installed respectively, the driving part and the control part are assembled, so that the driving part and the control part are assembled more conveniently. And if one part of the driving part and the control part is damaged, the part is replaced by a new part, so that the maintenance cost is reduced. And the structure of the whole control valve can be more compact, small and exquisite and occupy small space, and the control valve can be used as valve structures such as a switch valve, a switching valve, a check valve and the like.
2. The driving part has two driving positions, and the driving part can control the connection and disconnection between the two flow passages when moving between the two driving positions, namely, the control valve can be used as an on-off valve.
3. The assembly structure between the driving part and the control part is only embodied in the assembly between the driving shell and the control shell, and the driving rod is only matched with the control valve core, so that the assembly between the driving part and the control part is simpler, and the assembly between the driving part and the control part are also extremely simple when the driving part and the control part are disassembled.
4. The control valve core adopts the principle of a back pressure cavity, and the aim of preventing the water hammer can be fulfilled.
5. The guide rod can guide the sealing gasket, and meanwhile, the inside of the sealing gasket can be used as a pressure relief channel, so that the sealing gasket is ingenious in structural design.
6. The inside pressure release channel's that is of installation department part, drive housing only with this installation portion assembly, the actuating lever other end stretches into in this installation department, further simplifies the assembly structure between drive division and the control part, when guaranteeing stable in structure, can realize the control effect of valve.
7. The driving rod is inserted into the sealing plug or leaves the sealing plug to control the closing or opening of the pressure relief channel, so that the sealing effect can be ensured, and the smooth movement of the driving rod can be ensured.
8. First sealing washer and second sealing washer are located the upper and lower side of sealing plug respectively, and when the actuating lever inserted the sealing plug, first sealing washer and second sealing washer all overlap and put in the actuating lever periphery, also leave the second sealing washer when the actuating lever leaves the sealing plug, but keep the state of cover putting with first sealing washer all the time, can prevent this pressure release channel from leaking.
9. The transmission mechanism comprises a first ratchet, a second ratchet, a mandrel and a second elastic piece, namely, the principle of the ball-point pen core is adopted, and the transmission effect is stable and reliable.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 depicts an overall schematic of a preferred embodiment of a control valve.
FIG. 2 is a perspective exploded view of a preferred embodiment of the control valve.
Fig. 3 is a second exploded perspective view of the control valve of the preferred embodiment.
FIG. 4 illustrates a cross-sectional view of a preferred embodiment of the control valve with the actuator stem closing the pressure relief passage.
FIG. 5 illustrates a cross-sectional view of a preferred embodiment of the control valve with the actuator stem opening the pressure relief passage.
Fig. 6 is a sectional view of the water outlet device according to the preferred embodiment.
Detailed Description
In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.
In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.
In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be understood in a broad sense, i.e., any connection without displacement relationship or relative rotation relationship between the two, i.e., including non-detachable fixed connection, integrated connection and fixed connection by other devices or elements.
In the claims, the specification and drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.
Referring to fig. 1 to 5, a preferred embodiment of a control valve, which includes a driving part 100 and a control part 200, is described.
The drive section 100 includes a drive lever 110, the drive lever 110 being switchable between at least two drive positions.
In this embodiment, the drive lever 110 has a first drive position and a second drive position. The driving rod 110 can also be switched between three driving positions according to the requirement, for example, the driving rod 110 can have three driving positions in the axial direction or three driving positions in the circumferential direction, which is not limited to this.
In this embodiment, the driving portion 100 includes a driving housing 120 and a trigger 130, and the trigger 130 is movably attached to the driving housing 120 and is in transmission connection with one end of the driving rod 110.
In this embodiment, the triggering member 130 is a button, and a transmission mechanism is further disposed in the driving housing 120 and is in transmission connection with the button and the driving rod 110. The trigger 130 may be a knob structure or a point-contact structure, instead of a button structure, which does not exclude a circuit structure for triggering.
In this embodiment, the transmission mechanism includes a first ratchet 140, a second ratchet 141, a spindle 142 and a second elastic member 143, the first ratchet 140 is fixedly connected to the button, the second ratchet 141 is in transmission fit with the first ratchet 140, the spindle 142 is movable relative to the driving housing 120 and in transmission fit with the button, and two ends of the second elastic member 143 abut against between the spindle 142 and the control housing. That is, the transmission mechanism adopts the principle of a ball-point pen refill, and the principle is the prior art and is not described in detail. The push button is movable between an initial position and a pressed position, and correspondingly, the first driving position of the driving lever 110 is defined as an open position, the second driving position is defined as a closed position, the driving lever 110 is located at the first driving position when the push button is located at the initial position, and the driving lever 110 is located at the second driving position when the push button is located at the pressed position.
The control portion 200 is detachably connected to the driving portion 100, and has at least two flow paths, and the driving rod 110 can control the on/off of the two flow paths or the switching between the flow paths.
In this embodiment, the control portion 200 is provided with a first flow passage 210 and a second flow passage 220, and the driving rod 110 is switched between a first driving position and a second driving position to control the connection and disconnection between the first flow passage 210 and the second flow passage 220. According to the requirement, the control portion 200 may also be provided with three flow passages, which are a first flow passage, a second flow passage and a third flow passage, respectively, and the driving rod 110 may control the connection between the first flow passage and the second flow passage or the connection between the first flow passage and the third flow passage, that is, the control portion 200 has a water path switching structure. In this embodiment, the first flow channel 210 is defined as a water inlet channel, and the second flow channel 220 is defined as a water outlet channel.
In this embodiment, the control portion 200 includes a control housing 230 and a control valve core, the first flow passage 210 and the second flow passage 220 are both disposed in the control housing 230, the control valve core is installed in the control housing 230, the driving housing 120 is detachably connected to the control housing 230, and the other end of the driving rod 110 extends into the control housing 230 and is engaged with the control valve core. As shown in fig. 1, the driving housing 120 and the control housing 230 are detachably connected by the snap fit of the snap and the card slot; alternatively, the two may be detachably connected by a threaded connection, which is not limited to this.
In this embodiment, the control valve core includes a gasket 240 and a first elastic member 250, one side of the gasket 240 may be in sealing fit with a connection portion of the first flow channel 210 and the second flow channel 220, a back pressure cavity 241 is formed between the other side of the gasket 240 and the control housing 230, the first elastic member 250 is located in the back pressure cavity 241, and two ends of the first elastic member respectively abut against between the control housing 230 and the gasket 240, the control housing 230 is further provided with a pressure relief channel communicated with the second flow channel 220, the other end of the driving rod 110 may seal or open the pressure relief channel, the gasket 240 seals the connection portion of the first flow channel 210 and the second flow channel 220 to disconnect the first flow channel 210 from the second flow channel 220 when the driving rod 110 seals the pressure relief channel, and the gasket leaves the connection portion of the first flow channel 210 and the second flow channel 220 to connect the first flow channel 210 and the second flow channel 220 when the driving rod 110 opens.
In this embodiment, the sealing gasket 240 is provided with a connecting channel 242 capable of communicating the pressure relief channel with the second flow channel 220, the sealing gasket 240 is further provided with a pressure adjusting hole 243 capable of communicating the back pressure cavity 241 with the first flow channel 210, the first elastic member 250 is provided with a pressure pin 251, and the pressure pin 251 is always located in the pressure adjusting hole 243.
In this embodiment, a hollow guide rod 231 is disposed in the control housing 230, a part of the pressure relief channel is disposed inside the guide rod 231, and the guide rod 231 always extends into the connecting channel 242 to guide the gasket 240.
In this embodiment, the control housing 230 is provided with a hollow mounting portion 232, the inside of the mounting portion 232 is a part of the pressure relief channel, the driving housing 120 is assembled with the mounting portion 232, and the other end of the driving rod 110 extends into the mounting portion 232. Thus, as shown in fig. 4, the pressure relief passage includes three portions, i.e., a first stage pressure relief passage 233 inside the mounting portion, a third stage pressure relief passage 234 inside the guide rod 231, and a second stage pressure relief passage 235 connecting the inside of the mounting portion 232 and the inside of the guide rod 231. The back pressure chamber 241 is opened with a through hole 245, and the through hole 245 is communicated with the second stage pressure relief channel 234.
In this embodiment, a hollow sealing plug 236 is disposed in the pressure relief passage, the pressure relief passage is closed when the driving rod 110 is inserted into the sealing plug 236, and the pressure relief passage is opened when the driving rod 110 is separated from the sealing plug 236.
Preferably, a first seal ring 237 and a second seal ring 238 are further disposed in the mounting portion 232, and the first seal ring 237 and the second seal ring 238 are respectively located above and below the sealing plug 236. When the driving rod 110 is inserted into the sealing plug 236, the first sealing ring 237 and the second sealing ring 238 are both sleeved on the periphery of the driving rod 110, and when the driving rod 110 leaves the sealing plug 236, the driving rod also leaves the second sealing ring 238, but the driving rod and the first sealing ring 237 are always in a sleeved state, so that water leakage of the pressure relief channel can be prevented. As shown in fig. 4, a first seal 237 is located in the first section of relief passage 233 and a sealing plug 236 and a second seal 238 are located in the second section of relief passage 234.
The control principle of the control valve is as follows:
as shown in fig. 4, the button is pressed to drive the driving rod 110 to move to the second driving position, the end of the driving rod 110 is inserted into the sealing plug 236 and the second sealing ring 238, at this time, the second section of the pressure relief channel 234 is closed, water in the back pressure cavity 241 cannot flow into the third section of the pressure relief channel 235 through the through hole 245, that is, the back pressure cavity 241 cannot be relieved, and the sealing pad 240 seals the connection between the first flow channel 210 and the second flow channel 220 under the action of pressure difference to disconnect the first flow channel 210 from the second flow channel 220;
as shown in fig. 5, when the button is pressed to move the driving rod 110 to the first driving position, the end of the driving rod 110 leaves the sealing plug 236 and the second sealing ring 238, at this time, the second pressure relief channel 234 is opened, water in the back pressure chamber 241 can flow through the second pressure relief channel 234, the third pressure relief channel 235, the connecting channel 242 through the through hole 245 and flow out from the second flow channel 220, the pressure in the back pressure chamber 241 is relieved, and the sealing gasket 240 leaves the connection between the first flow channel 210 and the second flow channel 220 to connect the first flow channel 210 and the second flow channel 220 under the action of the pressure difference.
The control part 200 is detachably connected with the driving part 100, the control part 200 and the driving part 100 can be independently installed, and after the respective installation is finished, the driving part 100 and the control part 200 are assembled, so that the driving part 100 and the control part 200 are more convenient to assemble. Moreover, if one of the driving part 100 and the control part 200 is damaged, the part is replaced with a new one, so that the maintenance cost is reduced. And the structure of the whole control valve can be more compact, small and exquisite and occupy small space, and the control valve can be used as valve structures such as a switch valve, a switching valve, a check valve and the like.
Referring to fig. 6, a preferred embodiment of the water outlet device is shown, which employs the control valve.
Specifically, the water outlet device is provided with a body 10, the body 10 is provided with a water inlet 11 communicated with the first flow passage 210 and a water outlet 12 communicated with the second flow passage 220, the control valve is installed in the body 10, and a decorative cover 13 is additionally arranged, and the decorative cover 13 is connected with the button. Therefore, the whole width and height of the water outlet device are reduced, the whole volume is reduced, and compared with the valve core in the background art, the water outlet device has the great size advantage.
The above, only be the preferred embodiment of the utility model discloses, so can not be according to this the utility model discloses the scope of implementing, promptly according to the equivalent change and the decoration that the utility model discloses patent range and description content were made, all should still belong to the within range that utility model discloses the coverage.
Claims (12)
1. A control valve, characterized by: it includes:
a drive section including a drive lever switchable between at least two drive positions; and
the control part is detachably connected with the driving part and is provided with at least two flow passages, and the driving rod can control the on-off of the two flow passages or the switching among the multiple flow passages.
2. A control valve as defined in claim 1, wherein: the driving rod is provided with a first driving position and a second driving position, the control part is provided with a first flow passage and a second flow passage, and the driving rod is switched between the first driving position and the second driving position to control the connection and disconnection between the first flow passage and the second flow passage.
3. A control valve as defined in claim 2, wherein: the driving part comprises a driving shell and a triggering piece, and the triggering piece is movably connected to the driving shell and is in transmission connection with one end of the driving rod; the control part comprises a control shell and a control valve core, the first flow channel and the second flow channel are arranged in the control shell, the control valve core is arranged in the control shell, the driving shell is detachably connected with the control shell, and the other end of the driving rod extends into the control shell and is matched with the control valve core.
4. A control valve as defined in claim 3, wherein: the control valve core comprises a sealing gasket and a first elastic part, one side of the sealing gasket can be in sealing fit with the joint of the first flow channel and the second flow channel, a back pressure cavity is formed between the other side of the sealing gasket and the control shell, the first elastic part is located in the back pressure cavity, two ends of the first elastic part respectively abut against the control shell and the sealing gasket, the control shell is further provided with a pressure relief channel communicated with the second flow channel, the other end of the driving rod can seal or open the pressure relief channel, the sealing gasket seals the joint of the first flow channel and the second flow channel when the driving rod seals the pressure relief channel so as to disconnect the first flow channel and the second flow channel, and the sealing gasket leaves the joint of the first flow channel and the second flow channel so as to communicate the first flow channel and the second flow channel when.
5. A control valve as defined in claim 4, wherein: the sealing gasket is provided with a connecting channel which can be communicated with the pressure relief channel and the second flow channel, the sealing gasket is also provided with a pressure regulating hole which can be communicated with the back pressure cavity and the first flow channel, and the first elastic piece is provided with a pressing pin which is always positioned in the pressure regulating hole.
6. A control valve as defined in claim 5, wherein: the control shell is internally provided with a hollow guide rod, the inside of the guide rod is a part of the pressure relief channel, and the guide rod always extends into the connecting channel to guide the sealing gasket.
7. A control valve as defined in claim 4, wherein: the control shell is provided with a hollow installation part, the inside of the installation part is a part of the pressure relief channel, the drive shell is assembled with the installation part, and the other end of the drive rod extends into the installation part.
8. A control valve as defined in claim 7, wherein: a hollow sealing plug is arranged in the pressure relief channel, the pressure relief channel is closed when the driving rod is inserted into the sealing plug, and the pressure relief channel is opened when the driving rod leaves the sealing plug.
9. A control valve as defined in claim 7, wherein: still set up first sealing washer and second sealing washer in the installation department, first sealing washer and second sealing washer are located the upper and lower side of sealing plug respectively.
10. A control valve as defined in claim 7, wherein: the trigger piece is a button, and is additionally provided with a transmission mechanism which is positioned in the driving shell and is in transmission connection with the button and the driving rod.
11. A control valve as defined in claim 10, wherein: the transmission mechanism comprises a first ratchet, a second ratchet, a mandrel and a second elastic piece, the first ratchet is fixedly connected with the button, the second ratchet is in transmission fit with the first ratchet, the mandrel can move relative to the driving shell and is in transmission fit with the pressing part, and two ends of the second elastic piece are abutted between the mandrel and the control shell.
12. A water discharge apparatus to which a control valve according to any one of claims 1 to 11 is applied, characterized in that: the control valve is applied to the water outlet device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020957838.0U CN212839411U (en) | 2020-05-29 | 2020-05-29 | Control valve and water outlet device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020957838.0U CN212839411U (en) | 2020-05-29 | 2020-05-29 | Control valve and water outlet device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839411U true CN212839411U (en) | 2021-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020957838.0U Active CN212839411U (en) | 2020-05-29 | 2020-05-29 | Control valve and water outlet device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839411U (en) |
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2020
- 2020-05-29 CN CN202020957838.0U patent/CN212839411U/en active Active
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