CN214766272U - Automatic drainage device for guide pipe - Google Patents
Automatic drainage device for guide pipe Download PDFInfo
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- CN214766272U CN214766272U CN202120622002.XU CN202120622002U CN214766272U CN 214766272 U CN214766272 U CN 214766272U CN 202120622002 U CN202120622002 U CN 202120622002U CN 214766272 U CN214766272 U CN 214766272U
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Abstract
An automatic conduit drainage device is characterized in that a water outlet hole is formed in the wall of an outer pipe, an inner pipe sleeve with a water inlet hole and a water outlet hole is installed in the outer pipe, a movable valve is further arranged in the inner pipe sleeve, when water flows from the water inlet hole upwards, the movable valve is impacted to rotate upwards to seal the water outlet hole of the inner pipe sleeve, then the water enters a flow guide pipe to spray out of a shower head, when the water flow stops, the movable valve rotates downwards, the water outlet hole is opened, the water stored in the flow guide pipe flows out of the water outlet hole, the problem that the water can be stored in the flow guide pipe when the shower head is used is solved, the water cannot be automatically discharged, when the shower head is used for bathing in winter, a user needs to avoid cold water, the user can take a bath after the cold water stored in the flow guide pipe is sprayed, the cold water is prevented from being discharged firstly when the shower head is sprayed, the user easily splashes to the body, and the problem that the hot water valve is opened before people take a bath for many years is solved, the common sense of bathing after waiting for hot water is avoided, and more convenience is provided for the life of people.
Description
Technical Field
The utility model relates to a bathroom product and bathroom accessory product field, specific automatic drainage device of pipe that says so.
Background
Present gondola water faucet for bathroom is most all that two gondola water faucets use of mutually supporting, and one is fixed at the bathroom wall top gondola water faucet through the honeycomb duct, and top gondola water faucet sprays down from the top, and it is big to spray the area, need not to hand, and convenient to use, another is hose connection's handheld gondola water faucet, and the user is holding and is spraying. The shower head usually controls water inflow by a cold and hot water valve, and then controls to open the top shower head to spray or hold the shower head to spray by a switching valve, and when the top shower head is used up, water can be stored in the section of flow guide pipeline from the switching valve to the top shower head and cannot be automatically discharged, and the water stored in the section of flow guide pipeline can be discharged when the shower head is used next time. Especially when the shower head is used for bathing in winter, cold water is sprayed out of the shower head after the cold water and hot water valve is adjusted to be filled with hot water, a user needs to avoid the cold water, and the shower head sprays hot water with proper temperature after the cold water stored in the flow guide pipe is sprayed out. In daily life, people have a bath in winter, the common knowledge is achieved by firstly opening the hot water valve to avoid cold water and waiting for the hot water to take a bath again, the space of a bathroom is limited, and the cold water sprayed out often splashes to the body, so that great inconvenience is caused.
Disclosure of Invention
In order to solve the honeycomb duct the inside can store water when having used the gondola water faucet, can not automatic discharge, especially use in winter when top gondola water faucet is bathed, can store cold water to this section honeycomb duct the inside of top gondola water faucet from the diverter valve, the user need avoid cold water, and the cold water of storing in waiting for the honeycomb duct sprays after, just can bathe, the utility model provides a pipe automatic water discharging device, the water of storing inside of honeycomb duct that can discharge automatically only needs to open cold and hot water valve, has transferred out the water temperature, sprays out from the gondola water faucet just the hot water of suitable temperature, and the user can directly bathe, and convenient to use need earlier to discharge cold water when having avoided the gondola water faucet to spray and splashes to health etc. easily. The utility model discloses at bathroom product trade, pioneering ground has designed a pipe automatic drainage device, has overcome people and has bathed earlier and open the hot water valve winter for many years, avoids cold water, waits for the general knowledge that hot water bathed again, provides more facilities for people's life.
The utility model provides a technical scheme that technical problem adopted is: the pipe wall of the outer pipe is provided with a water outlet hole, the inner pipe sleeve is arranged inside the outer pipe, the inner pipe sleeve is provided with a water inlet hole and a water outlet hole, the inner pipe sleeve is internally provided with a movable valve connected with a rotating shaft, the lower end face of the movable valve blocks the water inlet hole of the inner pipe sleeve, the movable valve can seal the water outlet hole of the inner pipe sleeve by taking the rotating shaft as an axis to rotate upwards to move, and the movable valve rotates downwards to open the water outlet hole automatically.
The inner pipe sleeve is provided with a slot, one side of the slot is provided with a drain hole, and the bottom of the slot is provided with a water inlet. When the inner pipe sleeve is installed and enters the outer pipe to be matched and fixed, the water outlet hole of the inner pipe sleeve is communicated with the water outlet hole in the pipe wall of the outer pipe, and water entering the water outlet hole can flow out of the water outlet hole of the outer pipe.
The inner pipe sleeve is provided with a shaft hole, the rotating shaft is inserted into the shaft hole to connect the movable valve in the slot, and the movable valve can rotate in the slot by taking the rotating shaft as an axis.
The movable valve rotates upwards anticlockwise by taking the rotating shaft as an axis, the water inlet hole is opened, the drain hole is closed, and water flows into the flow guide pipe from bottom to top from the water inlet hole and then is sprayed out by the shower head. The movable valve rotates downwards clockwise to move the water inlet hole to be closed, the water discharging hole is opened, and water stored in the flow guide pipe is discharged from the water discharging hole.
The movable valve comprises a sealing part and a flow blocking part, the sealing part of the movable valve is attached to the side face of the groove of the drain hole, the sealing part rotates to seal the drain hole when the movable valve rotates upwards anticlockwise, and the water inlet hole is opened. When the water flow of the water inlet hole stops entering, the movable valve rotates downwards under the action of gravity and the stored water pressure of the flow guide pipe, the flow blocking part of the movable valve can be attached to the bottom plane of the groove, the flow blocking part of the movable valve blocks the water inlet hole at the moment, and the drain hole is automatically opened.
The side of the groove at the position of the drainage hole of the inner pipe sleeve is a smooth surface, the sealing part of the movable valve is a smooth surface, and the two smooth surfaces can reduce friction force when contacting with each other, so that the matching tightness is increased, and better sealing performance can be achieved.
The inner pipe sleeve is provided with a positioning hole, an elastic ceramic valve is arranged in the positioning hole of the inner pipe sleeve, the ceramic valve is provided with a drain hole, and the drain hole of the ceramic valve is communicated with the water outlet hole of the outer pipe.
The ceramic valve, the elastic glue and the fixing plug can be arranged in the positioning hole of the inner pipe sleeve, the fixing plug can be fixedly connected with the positioning hole of the inner pipe sleeve, the elastic glue is positioned in the positioning hole, the ceramic valve is arranged at the front end of the positioning glue, and the ceramic valve has movable elasticity under the elastic force of the elastic glue.
The inner pipe sleeve is internally provided with a V-shaped movable valve, the V-shaped movable valve is provided with a sealing part and a flow blocking part, the sealing part is arranged on the back of the movable valve, and the flow blocking part blocks the water inlet hole of the inner pipe sleeve.
The sealing part of the movable valve comprises flexible glue, the movable valve rotates anticlockwise when water flow impacts the flow blocking part from bottom to top at the water inlet, and the sealing performance is better when the flexible glue is attached to the water outlet of the inner pipe sleeve.
The apopore of outer tube is provided with the drain cock, the upper end of outer tube can with honeycomb duct threaded connection, the lower extreme of outer tube can with diverter valve threaded connection, the lower extreme and the cold and hot valve threaded connection of diverter valve.
When water flows in from the water inlet hole of the inner pipe sleeve, the water flow impacts the flow blocking part of the movable valve and pushes the flow blocking part to rotate anticlockwise upwards, the sealing part of the movable valve seals the water outlet hole, and the water flow enters the flow guide pipe from bottom to top from the water inlet hole and then is sprayed out from the overhead shower. When rivers stopped, the fender class portion of movable valve does not have the rivers impact, and the movable valve just receives under the pressure effect of self gravity and honeycomb duct normal water, the downward clockwise rotary motion of movable valve, and the wash port is opened, and the water of storing in top gondola water faucet honeycomb duct just flows out from the wash port, and the movable valve resets, and the laminating of the fender class portion of movable valve this moment fluting bottom plane, the fender class portion of movable valve blocks the inlet opening, accomplishes the drainage.
The utility model has the advantages that: an automatic drainage device of a guide pipe is characterized in that a water outlet hole is formed in the pipe wall of an outer pipe, an inner pipe sleeve with a water inlet hole and a water outlet hole is installed in the outer pipe, a movable valve is further arranged in the inner pipe sleeve, when water flows in from bottom to top from the water inlet hole, the movable valve is impacted to rotate upwards to seal the water outlet hole of the inner pipe sleeve, the water flows into a guide pipe and then sprays out from a shower head, when the water flow stops, the movable valve rotates downwards, the water outlet hole is opened, water stored in a flower jacking guide pipe flows out from the water outlet hole, the problem that water can be stored in the guide pipe when the shower head is used is solved, the water cannot be automatically discharged is solved, when the shower head is used for bathing in winter, a user needs to avoid cold water, the user can take a bath after the cold water stored in the guide pipe is sprayed, the problem that the cold water is easy to splash to the body when the shower head is sprayed is solved, and the problem that the hot water valve is firstly opened when people take a bath for many years is solved, the common sense of bathing after waiting for hot water is avoided, and more convenience is provided for the life of people.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of an automatic drain device according to a first embodiment
FIG. 2 is an exploded view of the automatic drain device of the first embodiment
FIG. 3 is a sectional view showing a reset and drainage state of the automatic drainage apparatus of the first embodiment
FIG. 4 is a sectional view showing the closing of a water discharge hole when the automatic water discharge apparatus of the first embodiment is supplied with water
FIG. 5 is an exploded view of an automatic drain device according to a second embodiment
FIG. 6 is a sectional view showing a reset and drainage state of the automatic drainage apparatus of the second embodiment
FIG. 7 is a sectional view showing the closing of a water discharge hole when the automatic water discharge apparatus of the second embodiment is supplied with water
FIG. 8 is a sectional view showing a reset and drainage state of the automatic drainage apparatus of the third embodiment
FIG. 9 is a view showing an automatic water discharging apparatus with a water discharging nozzle mounted thereon
FIG. 10 is an exploded view of the automatic water discharge device installed in the shower nozzle guide pipe of a bathroom
In the figure: 1. the device comprises an outer pipe, 2, an inner pipe sleeve, 3, a movable valve, 4, a flow guide pipe, 5, a switching valve, 6, a cold and hot water valve, 7, a hose, 11, a water outlet hole, 12, a water discharge nozzle, 21, a water inlet hole, 22, a water discharge hole, 23, a shaft hole, 24, a rotating shaft, 25, a positioning hole, 26, a ceramic valve, 27, elastic glue, 28 and a fixing plug.
Detailed Description
In the embodiment shown in fig. 1-4, the pipe wall of the outer pipe 1 is provided with a water outlet 11, an inner pipe sleeve 2 is arranged inside the outer pipe 1, the inner pipe sleeve 2 is provided with a water inlet 21 and a water outlet 22, the water outlet 22 of the inner pipe sleeve 2 is communicated with the water outlet 11 of the outer pipe 1, a rotating shaft 24 is arranged inside the inner pipe sleeve 2 and connected with the movable valve 3, the lower end face of the movable valve 3 blocks the water inlet 21 of the inner pipe sleeve 2, the side end face of the movable valve 3 is attached to the side face of the groove at the water outlet 22 of the inner pipe sleeve 2, the movable valve 3 can seal the water outlet 22 of the inner pipe sleeve 2 by upward rotating motion with the rotating shaft 24 as an axis, and the water outlet 22 of the movable valve 3 is automatically opened by downward rotating motion.
The inner pipe sleeve 2 is provided with an upward slot, one side of the slot is provided with a drain hole 22, and the bottom of the slot is provided with a water inlet 21. When the inner pipe sleeve 2 is installed into the outer pipe 1 and is matched and fixed, the water discharge hole 22 of the inner pipe sleeve 2 is communicated with the water outlet hole 11 on the pipe wall of the outer pipe 1, and water entering the water discharge hole 22 can flow out of the water outlet hole 11 of the outer pipe 1. The purpose of the serial connection of the water outlet hole 22 and the water outlet hole 11 is to allow the water inside the outer tube 1 to be drained through the water outlet hole 22 when the movable valve 3 rotates downward.
The inner pipe sleeve 2 is provided with a shaft hole 23, a rotating shaft 24 is inserted into the shaft hole 23 to connect the movable valve 3 in the slot, and the movable valve 3 can rotate in the slot by taking the rotating shaft 24 as an axis. The rotation axis setting of activity valve 3 is in the rear end, and the biggest angle of the upward rotation of activity valve 3 is less than 90 degrees, preferably 80 to 60 degrees inclination, and activity valve 3 has downward rotary motion's gravity trend all the time under self gravity, and when no external force upwards promoted activity valve 3, under activity valve 3 self gravity, activity valve 3 can the downward rotary motion to laminating fluting bottom.
Without limitation, two side surfaces of the groove of the inner pipe sleeve 2 are smooth surfaces, two side surfaces of the movable valve 3 are smooth surfaces, and friction force is smaller and smoother when the movable valve 3 rotates in the groove. Without limitation, the slot of the inner jacket 2 may be smooth on both sides and at the bottom.
The movable valve 3 rotates upwards counterclockwise by taking the rotating shaft 24 as an axis, the water inlet hole 21 is opened, the drain hole 22 is closed, water flows into the draft tube 4 from bottom to top from the water inlet hole 21 and then is sprayed out by the top shower, when the movable valve 3 rotates downwards clockwise, the water inlet hole 21 is closed, the drain hole 22 is opened, and water stored in the draft tube 4 is discharged from the drain hole 22.
The movable valve 3 comprises a sealing part and a flow blocking part, the sealing part of the movable valve 3 is attached to the side face of the groove of the drain hole 22, the sealing part rotates to seal the drain hole 22 when the movable valve 3 rotates upwards anticlockwise, and the water inlet hole 21 is opened. When water flow at the position of the water inlet hole 21 of the inner pipe sleeve 2 stops entering from bottom to top, the movable valve 3 rotates downwards under the action of gravity and the stored water pressure of the flow guide pipe 4, the flow blocking part of the movable valve 3 can be attached to the bottom plane of the groove, the flow blocking part of the movable valve 3 blocks the water inlet hole 21 at the moment, the water drain hole 22 is automatically opened, and water stored in the flow guide pipe is discharged from the water drain hole 22.
The sealing part of the movable valve 3 is a smooth surface, so that friction can be reduced when the grooved smooth surface is in mutual contact with the smooth surface of the movable valve 3, the matched tightness is increased, and better sealing performance can be achieved.
In another embodiment shown in fig. 5-7, the inner pipe casing 2 is provided with a positioning hole 25, a ceramic valve 26 is arranged in the positioning hole 25 of the inner pipe casing 2, the ceramic valve 26 is provided with a water discharge hole 22, and the water discharge hole 22 of the ceramic valve 26 is communicated with the water outlet hole 11 of the outer pipe 1.
The ceramic valve 26, the elastic glue 27 and the fixing plug 28 can be installed in the positioning hole 25 of the inner pipe sleeve 2, the fixing plug 28 can be fixedly connected with the positioning hole 25 of the inner pipe sleeve 2, the elastic glue 27 is positioned in the positioning hole 25, the ceramic valve 26 is installed in the position, close to the center of the groove, of the positioning glue 27, the elastic force of the elastic glue 27 acts on the ceramic valve 26, the ceramic valve 26 is pushed towards the center of the inner pipe sleeve in an elastic mode, the ceramic valve 26 is matched with the movable valve 3 in an elastic contact mode, and the elastic glue 27 has weak elasticity.
The sealing parts of the ceramic valve 26 and the movable valve 3 are smooth surfaces, so that under the elastic action of the elastic rubber 27, the two smooth surfaces are contacted and attached more tightly and can slide relatively, and better sliding contact and better sealing performance can be achieved.
When water flow enters from bottom to top at the position of the water inlet hole 21 of the inner pipe sleeve 2, the movable valve 3 is impacted, the sealing part of the movable valve 3 rotates anticlockwise upwards to seal the drain hole 22, when the water flow stops entering from bottom to top, the movable valve 3 rotates downwards under the action of gravity and the water pressure stored in the flow guide pipe 4, the flow blocking part of the movable valve 3 can be attached to the bottom plane of the groove, the drain hole 22 is automatically opened, and the water stored in the flow guide pipe is discharged from the drain hole 22.
In another embodiment shown in fig. 8, a V-shaped movable valve 3 is disposed inside the inner pipe casing 2, the V-shaped movable valve 3 is provided with a sealing portion and a flow blocking portion, the sealing portion is disposed on the back surface of the movable valve 3, and the flow blocking portion blocks the water inlet 21 of the inner pipe casing 2. The protruding sealing part of the V-shaped movable valve 3 comprises flexible soft rubber, and the sealing performance is better when the soft rubber is attached to the drain hole 22 of the inner pipe sleeve 2.
When the cold and hot water valve 6 is opened, water flow enters the impact flow blocking part from bottom to top from the water inlet hole 21 of the inner pipe sleeve 2, when the V-shaped movable valve 3 rotates upwards by taking the rotating shaft 23 as an axis, the sealing part is attached to the drain hole 22 of the inner pipe sleeve 2 to block, attach and seal the drain hole 22, the water flow cannot flow out from the drain hole 22 at the moment, and the water flow can only flow into the draft tube 4 from bottom to top from the inside of the outer pipe 1 and then is sprayed out from overhead shower.
When the cold and hot water valve 6 is closed, water flow at the position of the water inlet hole 21 of the inner pipe sleeve 2 stops entering, the movable valve 3 rotates downwards under the action of gravity and the stored water pressure of the flow guide pipe 4, the flow blocking part of the movable valve 3 can be attached to the bottom plane of the inner pipe sleeve 2, at the moment, the flow blocking part of the movable valve 3 blocks the water inlet hole 21, the water discharge hole 22 is automatically opened, and water stored in the flow guide pipe 4 is discharged from the water discharge hole 22.
In the embodiment shown in fig. 9, a water outlet nozzle may be installed at the water outlet hole 11 of the outer pipe 1, and a hose may be inserted into the water outlet nozzle to guide the water flowing out from the water outlet hole 11 to the ground or a container thereof for collection and use, so as to prevent the discharged water from splashing to the user.
And without limitation, the water outlet hole 11 of the outer pipe 1 can be provided with a water discharge nozzle with a valve, the valve can control the water discharge nozzle 12 to be opened or closed, the water outlet hole of the water discharge nozzle is connected with a hose, and the hose can guide water to the ground or a container for collection. The effect that is provided with the water discharging nozzle who takes the valve is that, when bathing in summer does not open hot water, the user can close the outlet valve, does not carry out the drainage to fixed top gondola water faucet, directly opens the cold water valve and uses, closes the drain valve in summer.
In the embodiment shown in fig. 10, the cold and hot water valve is usually located closest to the water heater, the water heated by the water heater can directly reach the cold and hot water valve, the cold and hot water valve controls the flow of hot water, and the automatic drainage device is installed at the lower end of the flow guide pipe 4 of the top shower head, i.e. at the water outlet of the switching valve 5, and is close to the hot water pipe. The upper end of outer tube 1 can be with 4 threaded connection of honeycomb duct, the lower extreme of outer tube 1 can with 5 threaded connection of diverter valve, 5 lower extremes of diverter valve and the 6 threaded connection of cold and hot water valve, diverter valve 5 still including can be connected with hose 7, hose 7 is connected with handheld gondola water faucet.
When the cold and hot water valve 6 is opened to switch the switching valve 5 to the top shower of the guide pipe 4 for use, when water flows in from the water inlet hole 22 of the inner pipe sleeve 2, the water flow impacts the flow blocking part of the movable valve 3 and pushes the movable valve 3 to rotate upwards in an anticlockwise mode, the sealing part of the movable valve 3 seals the water outlet hole 21, and the water flow continuously flows into the guide pipe 4 from bottom to top from the water inlet hole 22 and then is sprayed out from the fixed shower. The water flow stops when the cold and hot water valve 6 is closed, the water flow impact of the flow blocking part of the movable valve 3 stops, the movable valve 3 rotates downwards clockwise under the action of the self gravity and the water pressure in the flow guide pipe 4, the drain hole 21 is opened to automatically drain water, the water stored in the section of the flow guide pipe 4 of the shower head at the top of the switching valve flows out of the drain hole 21, the flow blocking part of the movable valve 3 is attached to the bottom plane of the groove at the moment, the flow blocking part of the movable valve 3 blocks the water inlet hole, and the movable valve 3 resets.
When the fixed shower head is used next time, the switching valve does not store water in the section of the guide pipe 4 of the shower head at the top, the cold and hot water valve is opened to adjust water with proper temperature, the water flows into the flow blocking part impacting the movable valve 3 from the water inlet hole 22, the sealing part of the movable valve 3 is pushed to seal the water outlet hole 21, and water flow with proper temperature directly continuously flows into the guide pipe 4 and is sprayed out from the shower head for use.
The utility model discloses the realization can be automatically discharged the water of storing inside the honeycomb duct, winter or only need open cold and hot water valve when cold, has transferred the water temperature, spray out from the gondola water faucet just the hot water of suitable temperature, the user just can directly bathe, need earlier discharge the water of storing in the honeycomb duct 4 when having avoided using top gondola water faucet to spray, and it is more convenient to use.
While the foregoing shows and describes the general principles and features of the present invention, and without limitation, it is to be understood that the foregoing description and the following detailed description are merely illustrative of the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an automatic drainage device of pipe, includes outer tube, interior pipe box, movable valve, its characterized in that: the water outlet hole is formed in the wall of the outer pipe, the inner pipe sleeve is arranged in the outer pipe, the inner pipe sleeve is provided with a water inlet hole and a water drain hole, the movable valve connected with the rotating shaft is arranged in the inner pipe sleeve, the water inlet hole of the inner pipe sleeve is blocked by the lower end face of the movable valve, the water drain hole of the inner pipe sleeve can be sealed by the movable valve through upward rotating motion by taking the rotating shaft as an axis, and the water drain hole can be automatically opened through downward rotating of the movable valve.
2. The automatic drainage device for conduit according to claim 1, wherein: the inner pipe sleeve is provided with a slot, one side of the slot is provided with a drain hole, the bottom of the slot is provided with a water inlet, and two side surfaces of the slot are smooth surfaces.
3. The automatic drainage device for conduit according to claim 1 or 2, wherein: the inner pipe sleeve is provided with a shaft hole, and the rotating shaft is inserted into the shaft hole to connect the movable valve inside the slot.
4. The automatic drainage device for conduit according to claim 3, wherein: the movable valve rotates upwards or downwards to control the drainage hole to be closed or opened.
5. The automatic drainage device for conduit according to claim 4, wherein: the movable valve comprises a sealing part and a flow blocking part, and the sealing part of the movable valve is a smooth surface.
6. The automatic drainage device for conduit according to claim 5, wherein: the inner pipe sleeve is provided with a positioning hole, an elastic ceramic valve is arranged in the positioning hole of the inner pipe sleeve, the ceramic valve is provided with a drain hole, and the drain hole of the ceramic valve is communicated with the water outlet hole of the outer pipe.
7. The automatic drainage device for conduit according to claim 6, wherein: and a ceramic valve, elastic glue and a fixing plug can be arranged in the positioning hole of the inner pipe sleeve.
8. The automatic drainage device for conduit according to claim 4, wherein: the inner pipe sleeve is internally provided with a V-shaped movable valve, the V-shaped movable valve is provided with a sealing part and a flow blocking part, the sealing part is arranged on the back of the movable valve, and the flow blocking part blocks the water inlet hole of the inner pipe sleeve.
9. The automatic conduit drainage device of claim 8, wherein: the sealing part of the V-shaped movable valve bulge comprises flexible soft rubber.
10. The automatic drainage device for conduit according to any one of claims 1 to 9, wherein: the apopore of outer tube is provided with the drain cock, the upper end of outer tube can with honeycomb duct threaded connection, the lower extreme of outer tube can with diverter valve threaded connection, the lower extreme and the cold and hot valve threaded connection of diverter valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622002.XU CN214766272U (en) | 2021-03-27 | 2021-03-27 | Automatic drainage device for guide pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622002.XU CN214766272U (en) | 2021-03-27 | 2021-03-27 | Automatic drainage device for guide pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214766272U true CN214766272U (en) | 2021-11-19 |
Family
ID=78667473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622002.XU Active CN214766272U (en) | 2021-03-27 | 2021-03-27 | Automatic drainage device for guide pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214766272U (en) |
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2021
- 2021-03-27 CN CN202120622002.XU patent/CN214766272U/en active Active
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