CN219974789U - Non-return water pump - Google Patents
Non-return water pump Download PDFInfo
- Publication number
- CN219974789U CN219974789U CN202321175879.4U CN202321175879U CN219974789U CN 219974789 U CN219974789 U CN 219974789U CN 202321175879 U CN202321175879 U CN 202321175879U CN 219974789 U CN219974789 U CN 219974789U
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- Prior art keywords
- connecting end
- pipe orifice
- inlet pipe
- water inlet
- ring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 17
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of water pumps, in particular to a backflow-preventing water pump, which comprises an upper cover and a lower cover, wherein a check component and an air pump component are arranged between the upper cover and the lower cover, a water inlet pipe orifice and a water outlet pipe orifice are arranged at the top of the upper cover, a detachable connecting end head is arranged at the top of the water inlet pipe orifice, the connecting end head adopts a design that the upper opening is small, and the lower opening is large, so that the connecting end head is sleeved at the top of the water inlet pipe orifice, a sealing ring is arranged in the opening below the connecting end head, liquid entering the water inlet pipe orifice can be filtered through arranging a filtering ring in the water inlet pipe orifice on the backflow-preventing water pump, impurities are prevented from entering the backflow-preventing water pump, meanwhile, the connecting end head is arranged at the top of the water inlet pipe orifice, a clamping block is pressed in a bayonet, and meanwhile, the connecting end head with different specifications is convenient to install and the connecting end head with external pipelines with different specifications.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a backflow-preventing water pump.
Background
Pumps are machines that deliver or pressurize a fluid, which transfers mechanical or other external energy from a prime mover to a liquid, causing the liquid to increase in energy.
In order to avoid water in the water pump from flowing back, a non-return assembly is arranged between the upper cover and the lower cover of the water pump, and a water inlet pipeline and a water outlet pipeline are arranged on the upper cover, such as the water pump for preventing liquid from flowing back, which is proposed in the patent application number CN202223500053.9, and the upper cover is provided with a water inlet, a water outlet and a water outlet channel.
In the prior art, as the water pump proposed in the patent application number CN202223500053.9, the water inlet of the water pump is not provided with a filtering structure, so that impurities in the liquid may cause blockage inside the water pump when the liquid is conveyed.
Disclosure of Invention
The utility model aims to provide a backflow-preventing water pump so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a non return running water pump, includes upper cover and lower cover, is provided with check subassembly and air pump assembly between upper cover and the lower cover, and the top of upper cover is provided with water inlet pipe mouth and water outlet pipe mouth, and water inlet pipe mouth's top is provided with detachable connection end, and the connection end adopts the top opening little, and the big design of below opening to be used for establishing the connection end headgear to water inlet pipe mouth's top, be provided with the sealing washer in the connection end below opening.
The bayonet is seted up to the both sides at inlet tube mouth top, and inlet tube mouth's inside is provided with the filter collar, and the top fixedly connected with of filter collar two connecting rods, the one end that the filter collar was kept away from to the connecting rod just is located the inside fixedly connected with fixture block of bayonet, and the top of fixture block and inlet tube mouth's top set up in same horizontal plane.
Preferably, the top of the sealing ring is fixedly connected with a positioning convex shaft, and a positioning concave hole matched with the positioning convex shaft is formed in the lower opening of the connecting end.
Preferably, the outer surface of the water inlet pipe opening and the inner part of the connecting end are sleeved with a sealing outer ring, and the top and the bottom of the sealing outer ring are designed to be curved surfaces.
Preferably, the two sides of the water inlet pipe opening are fixedly connected with connecting blocks, threaded holes are formed in the connecting blocks and the connecting ends, and bolts are connected to the threaded holes in a threaded mode.
Preferably, the check assembly comprises a plastic connecting piece, an air bag and a sleeve cover, wherein the air bag is arranged on the plastic connecting piece, a rotatable eccentric piece is arranged on the lower cover, and the plastic connecting piece is arranged on the eccentric piece.
Preferably, the check assembly comprises a plastic cover, an O-shaped ring, a spring, a plastic piece, a center gasket, a center valve plate and a plastic ring which are sequentially arranged from top to bottom, wherein the O-shaped ring is arranged in the spring and used for fixing the spring, the center gasket is arranged between the plastic cover and the plastic ring and used for providing sealing, and the center valve plate is arranged on the plastic ring.
The utility model has the beneficial effects that:
through the inside filter collar that sets up of inlet tube mouth on stopping backward flow water pump upper cover, can filter the liquid that enters into inlet tube mouth inside, avoid impurity to enter into stopping backward flow water pump inside and cause the jam, install inlet tube mouth's top with the connection end simultaneously, compress tightly the fixture block inside the bayonet socket, when fixed the filter collar, can conveniently connect the pipeline of the convenient and outside different specifications of connection end through installing different specifications again, the sealing washer is located inside the connection end, can prevent to produce between connection end and the inlet tube mouth, when taking down the connection end simultaneously, can be convenient for the installation dismantlement of sealing washer and filter collar simultaneously, the clearance of the impurity of being convenient for filter collar top and the change after the ageing of sealing washer.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the upper cover in FIG. 1;
FIG. 3 is a cross-sectional view of the connection terminal of FIG. 2;
fig. 4 is an enlarged view of the structure at a in fig. 3.
Reference numerals in the drawings are as follows:
1. the device comprises an upper cover, 2, a lower cover, 3, a water inlet pipe orifice, 4, a water outlet pipe orifice, 5, a connecting end, 6, a sealing ring, 7, a bayonet, 8, a filtering ring, 9, a connecting rod, 10, a clamping block, 11, a positioning convex shaft, 12, a positioning concave hole, 13, a sealing outer ring, 14, a connecting block, 15, a threaded hole, 16, a bolt, 17, a plastic connecting piece, 18, an air bag, 19, a sleeve cover, 20, an eccentric piece, 21, a plastic cover, 22, an O-shaped ring, 23, a spring, 24, a plastic piece, 25, a plastic cover, 26, a central valve plate, 27 and a plastic ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a non return water pump, includes upper cover 1 and lower cover 2, is provided with check assembly and air pump assembly between upper cover 1 and the lower cover 2, and the top of upper cover 1 is provided with inlet pipe mouth 3 and outlet pipe mouth 4, and the top of inlet pipe mouth 3 is provided with detachable connection end 5, and connection end 5 adopts the design that the top opening is little, and the below opening is big to be used for establishing connection end 5 cover to inlet pipe mouth 3's top, be provided with sealing washer 6 in the opening of connection end 5 below.
Bayonet 7 have been seted up to the both sides at inlet tube mouth 3 top, and inlet tube mouth 3's inside is provided with and filters circle 8, and the top fixedly connected with of filter circle 8 two connecting rods 9, and the one end that filters circle 8 was kept away from to connecting rod 9 just is located bayonet 7's inside fixedly connected with fixture block 10, and the top of fixture block 10 and inlet tube mouth 3's top set up in same horizontal plane.
As shown in FIG. 1, a backflow-preventing water pump with a check assembly and an air pump assembly is arranged between an upper cover 1 and a lower cover 2, the backflow-preventing water pump is not described in the prior art, liquid can enter the backflow-preventing water pump through a water inlet pipe orifice 3, and is output to the outside of the backflow-preventing water pump through a water outlet pipe orifice 4, a connecting end head 5 is designed with a small upper opening and a large lower opening, so that the lower part of the connecting end head 5 can be sleeved above the water inlet pipe orifice 3, the upper opening can be conveniently connected with an external pipeline, the connecting end head 5 has various specifications of adapting different external pipelines, the upper opening shapes and sizes of the connecting end head 5 are different, and different pipelines are convenient to connect through the connecting end head 5 and the water inlet pipe orifice 3.
The top of the sealing ring 6 is fixedly connected with a positioning convex shaft 11, and a positioning concave hole 12 matched with the positioning convex shaft 11 is formed in the lower opening of the connecting end 5.
When the sealing ring 6 is installed, as shown in fig. 2, 3 and 4, the sealing ring 6 can be clamped into the inner side of the connecting end 5, so that the positioning protruding shaft 11 is clamped into the positioning concave hole 12, the sealing ring 6 is clamped into the connecting end 5, and the sealing ring 6 and the connecting end 5 are conveniently fixed onto the water inlet pipe orifice 3 together.
The outer surface of the water inlet pipe orifice 3 and the inside of the connecting end 5 are sleeved with a sealing outer ring 13, and the top and the bottom of the sealing outer ring 13 are designed to be curved surfaces.
As shown in fig. 2, 3 and 4, the inner surface of the connecting end 5 and the outer surface of the water inlet pipe orifice 3 can be sealed through the sealing outer ring 13, double sealing is formed by matching with the sealing ring 6, the sealing effect is better, and the curved surface design of the top and the bottom of the sealing outer ring 13 enables the connecting end 5 to be sleeved on the water inlet pipe orifice 3 more conveniently.
The two sides of the water inlet pipe orifice 3 are fixedly connected with connecting blocks 14, threaded holes 15 are formed in the connecting blocks 14 and the connecting ends 5, and bolts 16 are connected to the threaded holes 15 in a threaded mode.
As shown in fig. 2, 3 and 4, the bolt 16 is in threaded connection with the connecting block 14 and the threaded hole 15 on the connecting end 5 at the same time, so that the connecting block 14 and the connecting end 5 are fixed together, and the connecting end 5 is fixed above the water inlet pipe orifice 3.
The check assembly comprises a plastic connecting piece 17, an air bag 18 and a sleeve cover 19, wherein the air bag 18 is arranged on the plastic connecting piece 17, a rotatable eccentric piece 20 is arranged on the lower cover 2, and the plastic connecting piece 17 is arranged on the eccentric piece 20.
As shown in fig. 1, a motor is arranged in the lower cover to drive the eccentric member 20 to rotate.
The check assembly comprises a plastic cover 21, an O-shaped ring 22, a spring 23, a plastic piece 24, a center gasket 25, a center valve plate 26 and a plastic ring 27 which are sequentially arranged from top to bottom, wherein the O-shaped ring 22 is installed in the spring 23 and used for fixing the spring 23, the center gasket 25 is arranged between the plastic cover 21 and the plastic ring 27 and used for providing sealing, and the center valve plate 26 is arranged on the plastic ring 27.
As shown in figure 1, the eccentric part 20 is connected to the motor rotating shaft, the air bag 18 is arranged on the plastic connecting part 17 and connected with the eccentric part 20, the one-way valve is arranged on the plastic ring 27, the plastic part 24 is arranged in the plastic cover 21, and the inlet water enters from the middle air nozzle water inlet and then enters from the liquid inlet cavity and exits from the side air nozzle water outlet, so that the water leakage phenomenon and the short circuit phenomenon of the pump during water passing are avoided.
The utility model provides a check flow water pump, which has the following working principle:
when liquid is conveyed into the backflow-preventing water pump, the liquid sequentially passes through the connecting end head 5 and the water inlet pipe orifice 3, a sealing gasket between the connecting end head 5 and the water inlet pipe orifice 3 can ensure that the liquid cannot leak out from between the connecting end head 5 and the water inlet pipe orifice 3, and when the liquid is conveyed into the water inlet pipe orifice 3 again, the filter ring 8 can filter out impurities in the liquid;
when the bolt 16 is removed, the connecting end 5 can be pulled upwards at this time, the connecting end 5 is removed from the water inlet pipe orifice 3, then the connecting rod 9 can be pulled upwards to drive the clamping block 10 to be separated from the bayonet 7, the filter ring 8 is taken out from the inside of the water inlet pipe orifice 3, and the sealing ring 6 can also be taken out from the lower part of the connecting end 5;
otherwise, the positioning protruding shaft 11 can be clamped into the positioning concave hole 12, the sealing ring 6 is clamped inside the connecting end head 5, then the clamping block 10 can be clamped into the bayonet 7, the filter ring 8 is clamped into the water inlet pipe orifice 3, the connecting end head 5 is sleeved at the top of the water inlet pipe orifice 3, and the sealing ring 6 and the filter ring 8 are installed.
Compared with the related art, the check water pump provided by the utility model has the following beneficial effects:
through the inside filter ring 8 that sets up of inlet tube mouth 3 on check flow pump upper cover 1, can filter the liquid that enters into inlet tube mouth 3 inside, avoid impurity to enter into the inside jam that causes of check flow pump, install the top of inlet tube mouth 3 with connecting end 5 simultaneously, compress tightly fixture block 10 inside bayonet socket 7, when fixed filter ring 8, can conveniently connect through the pipeline of the convenient and outside different specifications of connecting end 5 of installing different specifications again, sealing washer 6 is located connecting end 5 inside, can prevent to produce between connecting end 5 and the inlet tube mouth 3 and leak, when taking down connecting end 5 simultaneously, can be convenient for the installation dismantlement of sealing washer 6 and filter ring 8 simultaneously, the clearance of the impurity of filter ring 8 top of being convenient for and the change after the ageing of sealing washer 6.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The check flow water pump comprises an upper cover (1) and a lower cover (2), wherein a check component and an air pump component are arranged between the upper cover (1) and the lower cover (2), and the check flow water pump is characterized in that a water inlet pipe orifice (3) and a water outlet pipe orifice (4) are arranged at the top of the upper cover (1), a detachable connecting end head (5) is arranged at the top of the water inlet pipe orifice (3), the connecting end head (5) adopts a design with a small upper opening and a large lower opening, so that the connecting end head (5) is sleeved at the top of the water inlet pipe orifice (3), and a sealing ring (6) is arranged in the opening below the connecting end head (5);
bayonet (7) have been seted up to the both sides at inlet tube mouth (3) top, and the inside of inlet tube mouth (3) is provided with and filters circle (8), and the top fixedly connected with of filtering circle (8) two connecting rods (9), and one end that filters circle (8) was kept away from to connecting rod (9) just is located the inside fixedly connected with fixture block (10) of bayonet (7), and the top of fixture block (10) and the top of inlet tube mouth (3) set up in same horizontal plane.
2. The non-return water pump as claimed in claim 1, wherein the top of the sealing ring (6) is fixedly connected with a positioning protruding shaft (11), and a positioning concave hole (12) matched with the positioning protruding shaft (11) is formed in the lower opening of the connecting end (5).
3. The non-return water pump according to claim 2, wherein the outer surface of the water inlet pipe orifice (3) and the inner part of the connecting end head (5) are sleeved with a sealing outer ring (13), and the top and the bottom of the sealing outer ring (13) are designed to be curved surfaces.
4. A non-return water pump according to claim 3, wherein the two sides of the water inlet pipe orifice (3) are fixedly connected with connecting blocks (14), threaded holes (15) are formed in the connecting blocks (14) and the connecting ends (5), and bolts (16) are connected to the threaded holes (15) in a threaded manner.
5. A non-return water pump according to claim 1, characterized in that the non-return assembly comprises a plastic connector (17), an air bag (18) and a cover (19), the air bag (18) is mounted on the plastic connector (17), the lower cover (2) is provided with a rotatable eccentric (20), and the plastic connector (17) is mounted on the eccentric (20).
6. The non-return water pump according to claim 5, wherein the non-return assembly comprises a plastic cover (21), an O-ring (22), a spring (23), a plastic piece (24), a central gasket (25), a central valve plate (26) and a plastic ring (27) which are sequentially arranged from top to bottom, the O-ring (22) is installed in the spring (23) and used for fixing the spring (23), the central gasket (25) is arranged between the plastic cover (21) and the plastic ring (27) and used for providing sealing, and the central valve plate (26) is arranged on the plastic ring (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321175879.4U CN219974789U (en) | 2023-05-16 | 2023-05-16 | Non-return water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321175879.4U CN219974789U (en) | 2023-05-16 | 2023-05-16 | Non-return water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974789U true CN219974789U (en) | 2023-11-07 |
Family
ID=88582266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321175879.4U Active CN219974789U (en) | 2023-05-16 | 2023-05-16 | Non-return water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974789U (en) |
-
2023
- 2023-05-16 CN CN202321175879.4U patent/CN219974789U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |