CN214148283U - Drainage connector, drainage mechanism and dehumidifier - Google Patents
Drainage connector, drainage mechanism and dehumidifier Download PDFInfo
- Publication number
- CN214148283U CN214148283U CN202120207763.9U CN202120207763U CN214148283U CN 214148283 U CN214148283 U CN 214148283U CN 202120207763 U CN202120207763 U CN 202120207763U CN 214148283 U CN214148283 U CN 214148283U
- Authority
- CN
- China
- Prior art keywords
- connector
- drainage
- joint
- hole
- valve core
- 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 101
- 210000001503 joint Anatomy 0.000 claims description 42
- 230000002093 peripheral effect Effects 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 241000309551 Arthraxon hispidus Species 0.000 claims 3
- 238000007599 discharging Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Images
Landscapes
- Sink And Installation For Waste Water (AREA)
Abstract
The utility model provides a drainage connects, drainage mechanism and dehumidifier, the drainage connects includes interconnection joint and outer connector, the outlet has been seted up to the axial first end of outer connector, the axial second terminal surface setting that the interconnection connects the axial that extends and run through the outer connector in the outer connector, the interconnection connects the outside first end that is located the outer connector and has seted up the water inlet, at least one through-hole has been seted up to the periphery wall that the interconnection connects the position in outer connector inner chamber, the inner chamber of outer connector is linked together through the inner chamber of through-hole and interconnection joint. The utility model discloses the inner chamber and the through-hole that the interconnection of drainage joint connects form L type drainage channel, can prevent effectively that the residual water that the drainage connects from flowing, promote user experience to the drainage is smooth and easy. And simultaneously, the utility model discloses the cost is saved to the simple structure of drainage joint.
Description
Technical Field
The utility model belongs to the technical field of the dehumidifier drainage technique and specifically relates to a drainage connects, has this drainage and connects drainage mechanism and has this drainage mechanism's dehumidifier.
Background
The dehumidifier sucks the processed air in through a fan, then filters the air through an air filter screen, cools and dehumidifies the air on a cooled evaporator, condenses redundant water vapor in the air into water, and reduces the moisture content of the air. When the dehumidifier works, condensed water generated in the dehumidification process of the evaporator is collected in the water collecting device, the water collecting device is connected with one end of the water drainage connector, the other end of the water drainage connector is connected with a water drainage pipe of a water pump in the dehumidifier, the condensed water generated by the evaporator can be drained into the water collecting device through the water drainage connector to be collected by starting the water pump, and the normal use of the dehumidifier can be ensured by pouring the water after the water in the water collecting device reaches a certain degree.
Referring to fig. 1, the existing drainage connector 1 includes an inner connector 12 and an outer connector 11 which are connected to each other, the cross sections of the inner connector 12 and the outer connector 11 are both circular, the inner connector 12 is far away from one end of the outer connector 11 and is provided with a water inlet 121, the outer connector 11 is far away from one end of the inner connector 12 and is provided with a water outlet 111, a water outlet 2 of the water pump is connected with the water inlet 121 of the inner connector 12, and the water outlet 111 of the outer connector 11 is connected with a butt joint of a water collecting device. The existing drainage connector 1 drains water in the axial direction, but when the water collecting device is pumped out, residual water in the drainage connector 1 flows out due to the suction effect of the water pump, so that the environment is polluted, even the hidden danger of slipping of a user exists, and the user experience is seriously influenced.
In addition, the butt joint of the existing water collecting device is not enough to be sealed due to the structure of the butt joint, so that residual water on the butt joint flows out, the environment is polluted, even the hidden danger of slipping of a user exists, and the user experience is seriously influenced.
Disclosure of Invention
In order to realize the utility model discloses a first purpose, the utility model provides a simple structure, save cost, the smooth and easy drainage that just promotes user experience of drainage connects to can prevent effectively that the residual water from flowing.
In order to realize the utility model discloses a second purpose, the utility model provides a have above-mentioned drainage joint, simple structure, save cost, the drainage smoothly just promotes user experience's drainage mechanism to can prevent effectively that the residual water from flowing.
In order to realize the third objective of the present invention, the present invention provides a dehumidifier having the above drainage mechanism.
In order to realize the utility model discloses a first purpose, the utility model provides a drainage connector, including interconnection joint and outer connector, the outlet has been seted up to the axial first end of outer connector, and the interconnection joint extends and runs through the axial second terminal surface setting of outer connector in the axial of outer connector, and the interconnection joint is located the outside first end of outer connector and has seted up the water inlet, and the interconnection joint is located the periphery wall of outer connector inner chamber and has seted up at least one through-hole, and the inner chamber of outer connector is linked together through the inner chamber of through-hole with the interconnection joint.
The further scheme is that a plurality of through holes are formed in the peripheral wall, located in the inner cavity of the outer connector, of the inner connector, and the through holes are evenly distributed in the circumferential direction of the inner connector.
Further, the inner peripheral surface of the drain opening is a first chamfered peripheral surface.
In a further aspect, the through hole is disposed adjacent to the second end surface of the inner cavity of the outer connector of the inner connector.
In order to realize the second objective of the present invention, the present invention provides a drainage mechanism, which is characterized in that it comprises the drainage connector.
The drainage mechanism further comprises a water collecting tank and a valve core, wherein a liquid outlet is formed in the peripheral wall of the water collecting tank, a butt joint is arranged on the peripheral wall of the water collecting tank in a protruding mode at the liquid outlet, a through hole is formed in the end face, far away from the liquid outlet, of the butt joint, a shaft shoulder is arranged at the first end, located in an inner cavity of the butt joint, of the valve core, the shaft shoulder protrudes out of the peripheral wall of the valve core in the radial direction of the valve core, the second end of the valve core extends in the axial direction of the butt joint and penetrates through the liquid outlet, a plugging piece is sleeved at the second end of the valve core and can plug the liquid outlet, the shaft shoulder can plug the through hole, a return spring is sleeved on the valve core, two ends of the return spring in the axial direction of the valve core are respectively abutted between the shaft shoulder and a limiting end face of the butt joint, an external connector of the drainage joint can be sleeved on the peripheral wall of the butt joint through the water outlet, an internal connector located at the second end face of the inner cavity of the drainage joint and can penetrate through the through hole and abut on the shaft shoulder, the valve core is forced to move in the axial direction of the valve core, and the through hole of the inner connection joint can be positioned in the inner cavity of the butt joint.
The further proposal is that the cross section of the plugging piece is arranged in a round table shape, and the small diameter end of the plugging piece is arranged close to the liquid outlet.
The further scheme is that at least one annular groove is formed in the peripheral wall of the butt joint, and a sealing ring is sleeved in each annular groove.
The peripheral surface of one end, close to the through hole, of the shaft shoulder is a second chamfer peripheral surface, the inner peripheral surface, close to the shaft shoulder, of the through hole is a third chamfer peripheral surface, and the second chamfer peripheral surface can abut against the third chamfer peripheral surface.
The further scheme is that the plugging piece is made of silica gel.
In order to realize the utility model discloses a third purpose, the utility model provides a dehumidifier, including water pump and drainage mechanism, drainage mechanism is foretell drainage mechanism, and the water inlet that the water pipe of water pump and drainage mechanism well drainage connect's interconnection connect is linked together.
When the water collecting tank is in an installation state, the external connector of the drainage connector is sleeved on the peripheral wall of the butt joint of the water collecting tank through the water outlet, synchronously, the internal connector of the drainage connector is positioned on the second end surface of the inner cavity of the external connector, penetrates through the through hole of the butt joint of the water collecting tank and abuts against the shaft shoulder of the valve core, the valve core is forced to move in the axial direction of the valve core, so that the shaft shoulder of the valve core moves away from the through hole to open the through hole, meanwhile, the valve core drives the blocking piece on the valve core to move away from the liquid outlet to open the liquid outlet, at the moment, the through hole of the internal connector of the drainage connector is positioned in the inner cavity of the butt joint, so that the inner cavity of the water collecting tank, the inner cavity of the butt joint, the through hole of the internal connector and the inner cavity of the internal connector are mutually communicated, the drainage pipe of the water pump of the dehumidifier is connected with the water inlet of the internal connector, and the condensate water generated in the working process flows into the inner cavity of the internal connector through the drainage pipe under the suction effect of the water pump, then flows into the inner cavity of the butt joint of the water collecting tank through the through hole of the inner connection joint, then flows into the inner cavity of the water collecting tank through the liquid outlet, and then is collected in the inner cavity of the water collecting tank, and the return spring is in a compressed state at the moment.
When the header tank is in to take out from the dismantlement state, the shaft shoulder of case does not have the butt and forces its effort that removes, and reset spring elasticity resets for the shaft shoulder shutoff is on the through hole, and shutoff piece shutoff is sealed through hole and liquid outlet on the liquid outlet simultaneously, can prevent effectively that the residual water of the butt joint of header tank from flowing, promotes user experience. At this moment, the inner cavity of the inner connection joint of the drainage joint and the through hole form an L-shaped drainage channel, so that the residual water of the drainage joint can be effectively prevented from flowing out, and the user experience is further improved.
The utility model discloses drainage mechanism can prevent effectively that the residual water from flowing out, promotes user experience to the drainage is smooth and easy. And simultaneously, the utility model discloses drainage mechanism's simple structure saves the cost.
Drawings
Fig. 1 is a sectional view of a conventional drain fitting.
Fig. 2 is a sectional view of the drainage mechanism according to the embodiment of the present invention in a first operation state.
Fig. 3 is a sectional view of a second operation state of the embodiment of the drainage mechanism of the present invention.
Fig. 4 is a cross-sectional view of an embodiment of the water collecting tank of the embodiment of the present invention, in which the butt joint and the valve core are engaged.
Fig. 5 is a sectional view of another embodiment of the mating of the abutment and the valve element of the water collection tank in the embodiment of the drainage mechanism of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Drainage mechanism embodiment:
the following embodiment is mainly directed to the utility model discloses drainage mechanism, because the utility model discloses drainage mechanism has adopted the utility model discloses a drainage connector has explained the drainage connector embodiment in the description of drainage mechanism embodiment.
Referring to fig. 2 and 3, the drainage mechanism includes a drainage joint 3, a water collection tank 4 and a valve core 7, a liquid outlet 41 is formed in the peripheral wall of the water collection tank 4, a butt joint 42 is convexly arranged on the liquid outlet 41 in the peripheral wall of the water collection tank 4, and a through hole 43 is formed in the end face of the butt joint 42 away from the liquid outlet 41. The first end of the valve core 7 located in the inner cavity of the butt joint 42 is provided with a shaft shoulder 71, the shaft shoulder 71 protrudes out of the peripheral wall of the valve core 7 in the radial direction of the valve core 7, the second end of the valve core 7 extends in the axial direction of the butt joint 42 and penetrates through the liquid outlet 41, the second end of the valve core 7 is sleeved with a plugging piece 8, the plugging piece 8 can be plugged on the liquid outlet 41, and the shaft shoulder 71 can be plugged on the through hole 43. The valve core 7 is sleeved with a return spring 6, and two ends of the return spring 6 in the axial direction of the valve core 7 are respectively abutted between the shaft shoulder 71 and the limiting end face 44 of the butt joint 42.
The water discharge joint 3 of the present embodiment includes an inner joint 32 and an outer joint 31, wherein a water discharge port 312 is formed at a first axial end of the outer joint 31, and the inner joint 32 extends in an axial direction of the outer joint 31 and penetrates through a second axial end face of the outer joint 31. The first end of the inner connector 32 located outside the outer connector 31 is provided with a water inlet 321, the outer peripheral wall of the inner connector 32 located in the inner cavity of the outer connector 31 is provided with at least one through hole 323, and the inner cavity of the outer connector 31 is communicated with the inner cavity of the inner connector 32 through the through hole 323.
Specifically, in the present embodiment, the outer peripheral wall of the inner connector 32 located in the inner cavity of the outer connector 31 is provided with a plurality of through holes 323, and the plurality of through holes 323 are uniformly distributed in the circumferential direction of the inner connector 32. The through hole 323 is disposed near the second end of the inner connector 32 located in the inner cavity of the outer connector 31. Further, the inner peripheral surface of the drain port 312 is a first chamfered peripheral surface 311.
The outer connector 31 of the water discharge connector 3 can be sleeved on the outer peripheral wall of the butt joint 42 through the water discharge port 312, the inner connector 32 of the water discharge connector 3 is positioned on the second end surface 322 of the inner cavity of the outer connector 31 and can pass through the through hole 43 and abut against the shaft shoulder 71, so that the valve core 7 is forced to move in the axial direction of the valve core 7, and the through hole 323 of the inner connector 32 can be positioned in the inner cavity of the butt joint 42.
The cross section of the plugging member 8 of this embodiment is in the shape of a truncated cone, and the small-diameter end of the plugging member 8 is close to the liquid outlet 41. Preferably, the block piece 8 is made of elastic silicone. In addition, two annular grooves 45 are seted up to the periphery wall of butt joint 42, and two annular grooves 45 set up side by side in the axial of butt joint 42, and a sealing washer 5 is established to an annular groove 45 endotheca.
Referring to fig. 4, in an embodiment of the joint 42 of the water collecting tank 4 and the valve core 7, the shoulder 71 of the valve core 7 is disposed in a cylindrical shape, and the diameter of the shoulder 71 is larger than that of the through hole 43, so that the end surface of the shoulder 71 can abut against the end surface of the through hole 43, thereby achieving the purpose of blocking the through hole 43.
Referring to fig. 5, in another embodiment of the joint 42 of the water collecting tank 4 and the valve core 7, an end peripheral surface of the shoulder 71 of the valve core 7 close to the through hole 43 is a second chamfered peripheral surface 711, an inner peripheral surface of the through hole 43 close to the shoulder 71 is a third chamfered peripheral surface 431, and the second chamfered peripheral surface 711 can abut against the third chamfered peripheral surface 431, so as to achieve the purpose of blocking the through hole 43.
Referring to fig. 2, when the water collecting tank 4 is in an installation state, the external connector 31 of the water discharging connector 3 is sleeved on the outer peripheral wall of the butt joint 42 of the water collecting tank 4 through the water discharging port 312, and synchronously, the internal connector 32 of the water discharging connector 3 is positioned on the second end surface 322 of the inner cavity of the external connector 31, penetrates through the through hole 43 of the butt joint 42 of the water collecting tank 4 and abuts on the shaft shoulder 71 of the valve core 7, so that the valve core 7 is forced to move in the axial direction of the valve core 7, the shaft shoulder 71 of the valve core 7 moves away from the through hole 43 to open the through hole 43, and simultaneously, the valve core 7 drives the blocking piece 8 on the valve core 7 to move away from the liquid outlet 41 to open the liquid outlet 41, and at this time, the through hole 323 of the internal connector 32 of the water discharging connector 3 is positioned in the inner cavity of the butt joint 42, so that the inner cavity of the water collecting tank 4, the inner cavity of the butt joint 42, the through hole 323 of the internal connector 32 and the inner cavity of the water discharging pipe 2 of the dehumidifier are connected with the water inlet 321 of the internal connector 32, the condensed water generated in the operation process of the dehumidifier flows into the inner cavity of the inner connecting joint 32 through the drain pipe 2 under the suction action of the water pump, then flows into the inner cavity of the butt joint 42 of the water collecting tank 4 through the through hole 323 of the inner connecting joint 32, then flows into the inner cavity of the water collecting tank 4 through the liquid outlet 41, and is further collected in the inner cavity of the water collecting tank 4, and at the moment, the return spring 6 is in a compressed state.
Referring to fig. 3, when header tank 4 is in the state of taking out from the dismantlement, the shaft shoulder 71 of case 7 does not have the butt and forces its effort that removes, and reset spring 6 elasticity resets for shaft shoulder 71 shutoff is on through hole 43, and 8 shutoff of shutoff piece are sealed on liquid outlet 41 simultaneously, seal through hole 43 and liquid outlet 41, can prevent header tank 4's the residual water outflow of butt joint 42 effectively, promote user experience. At this time, the inner cavity of the inner connector 32 of the drain connector 3 and the through hole 323 form an L-shaped drain passage, which can effectively prevent the residual water of the drain connector 3 from flowing out, and further improve the user experience.
This embodiment drainage mechanism can prevent effectively that the residual water from flowing out, promotes user experience to the drainage is smooth and easy. Meanwhile, the drainage mechanism of the embodiment is simple in structure and saves cost.
The embodiment of the dehumidifier is as follows:
the dehumidifier comprises a water pump and a drainage mechanism, the drainage mechanism is the drainage mechanism of the embodiment, and the drainage pipe 2 of the water pump is communicated with the water inlet 321 of the internal connection joint 32 of the drainage joint 3 in the drainage mechanism. The dehumidifier of the embodiment has smooth drainage, can effectively prevent the residual water from flowing out, and improves the user experience. Moreover, the dehumidifier of the embodiment has a simple structure and saves cost.
Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.
Claims (11)
1. The drainage connects, including interconnection joint and outer connector, its characterized in that:
the axial first end of the external connector is provided with a water outlet, and the internal connector extends in the axial direction of the external connector and penetrates through the axial second end face of the external connector;
the water inlet has been seted up to the outside first end of outer joint head to the interconnection joint, the interconnection joint is located at least one through-hole has been seted up to the periphery wall of outer joint head inner chamber, the inner chamber of outer joint head passes through the through-hole with the inner chamber of interconnection joint is linked together.
2. The drain connector of claim 1, wherein:
the interconnection connects and is located a plurality of have been seted up to the periphery wall of outer connector inner chamber the through-hole, it is a plurality of the through-hole is in evenly distributed in the circumference of interconnection connects.
3. The drain connector of claim 1, wherein:
the inner peripheral surface of the water outlet is a first chamfer angle peripheral surface.
4. A drain connector according to any of claims 1 to 3, characterized in that:
the through hole is close to the second end face of the inner connecting joint, which is positioned in the inner cavity of the outer connecting joint.
5. A drain fitting according to any of claims 1 to 4, comprising a drain connector.
6. The drain mechanism of claim 5, wherein:
the drainage mechanism further comprises a water collecting tank and a valve core, wherein a liquid outlet is formed in the peripheral wall of the water collecting tank, a butt joint is arranged on the peripheral wall of the water collecting tank in a protruding mode at the liquid outlet, and a through hole is formed in the end face, far away from the liquid outlet, of the butt joint;
a shaft shoulder is arranged at the first end of the valve core, which is positioned in the inner cavity of the butt joint, and protrudes out of the peripheral wall of the valve core in the radial direction of the valve core, the second end of the valve core extends in the axial direction of the butt joint and penetrates through the liquid outlet, a plugging piece is sleeved at the second end of the valve core, the plugging piece can be plugged on the liquid outlet, and the shaft shoulder can be plugged on the through hole;
the valve core sleeve is provided with a return spring, and two ends of the return spring in the axial direction of the valve core are respectively abutted between the shaft shoulder and the limiting end face of the butt joint;
the outer connector of the drainage connector can be sleeved on the peripheral wall of the butt joint through the drainage port, the inner connector of the drainage connector is positioned on the second end face of the inner cavity of the outer connector, can penetrate through the through hole and is abutted against the shaft shoulder, the valve core is forced to move in the axial direction of the valve core, and the through hole of the inner connector can be positioned in the inner cavity of the butt joint.
7. The drain mechanism of claim 6, wherein:
the cross section of the plugging piece is in a round table shape, and the small-diameter end of the plugging piece is close to the liquid outlet.
8. The drain mechanism of claim 6, wherein:
at least one annular groove is seted up to the periphery wall of butt joint, one the annular groove endotheca is equipped with a sealing washer.
9. The drain mechanism of claim 6, wherein:
the shaft shoulder is close to one end global of through-hole be the second chamfer global, the through-hole is close to the inner peripheral surface of shaft shoulder be the third chamfer global, the global butt of second chamfer is in on the third chamfer global.
10. A drainage mechanism as claimed in any one of claims 6 to 9, wherein:
the plugging piece is made of silica gel.
11. Dehumidifier, including water pump and drainage mechanism, its characterized in that:
the drainage mechanism is as claimed in any one of the above claims 5 to 10, and the drainage pipe of the water pump is communicated with the water inlet of the internal connection joint of the drainage joint in the drainage mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207763.9U CN214148283U (en) | 2021-01-25 | 2021-01-25 | Drainage connector, drainage mechanism and dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207763.9U CN214148283U (en) | 2021-01-25 | 2021-01-25 | Drainage connector, drainage mechanism and dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214148283U true CN214148283U (en) | 2021-09-07 |
Family
ID=77548905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120207763.9U Active CN214148283U (en) | 2021-01-25 | 2021-01-25 | Drainage connector, drainage mechanism and dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214148283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202644A1 (en) * | 2022-04-19 | 2023-10-26 | 海信（广东）空调有限公司 | Dehumidifier |
-
2021
- 2021-01-25 CN CN202120207763.9U patent/CN214148283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202644A1 (en) * | 2022-04-19 | 2023-10-26 | 海信（广东）空调有限公司 | Dehumidifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214148283U (en) | Drainage connector, drainage mechanism and dehumidifier | |
| CN205135868U (en) | Fuel filter reaches engine including it | |
| CN106765544A (en) | Dehumidifier | |
| CN109281872B (en) | Mechanical seal flushing device of centrifugal pump and manufacturing process thereof | |
| CN204852491U (en) | Automatic water compensating valve | |
| CN204284618U (en) | A kind of top row's formula outlet valve | |
| CN206381768U (en) | Filter with spring drainage mechanism | |
| CN107243212B (en) | Filter | |
| CN114100896B (en) | Water outlet valve | |
| CN213777962U (en) | Water stop plug for drainage structure of dehumidifier | |
| CN206488362U (en) | Dehumidifier | |
| CN102657975B (en) | Filter with pressure reduction function | |
| CN205783151U (en) | A kind of domestic integrated gas-cooker oil piping system | |
| CN206234079U (en) | Float-ball type automatic water trap | |
| CN216279449U (en) | Waterproof device of pneumatic control filtering system | |
| CN202559123U (en) | Angle valve of washing machine | |
| CN212224156U (en) | Floor drain core | |
| CN214158792U (en) | Special filtering valve for building heating ventilation | |
| CN205155256U (en) | Guiding valve formula decompression type backflow preventer | |
| CN212273097U (en) | Multifunctional prevention and control locking gate valve | |
| CN210397265U (en) | Ball valve filter assembly for front end of air conditioner fan of water machine | |
| CN113280126B (en) | Novel air dryer series exhaust valve for vehicle | |
| CN210423831U (en) | Low-resistance backflow preventer | |
| CN206508693U (en) | Oil mist filter | |
| CN220396029U (en) | Horizontal multistage centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |