CN219910931U

CN219910931U - Vehicle-mounted low-pressure water pump

Info

Publication number: CN219910931U
Application number: CN202321355504.6U
Authority: CN
Inventors: 李晓振; 李军学
Original assignee: Qingdao He Microelectronics Co ltd
Current assignee: Qingdao He Microelectronics Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-27
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a vehicle-mounted low-pressure water pump which comprises a water pumping port, a water outlet and a pump body, wherein the water outlet is arranged above the water pumping port, a first sound absorbing layer is arranged on the outer side of the water outlet, the water pumping port and the water outlet are connected with one side of the pump body, a pump cover is arranged on the other side of the pump body, a second sound absorbing layer is arranged on the outer side of the pump body, an opening is formed in the pump cover, fan blades are arranged in the opening, and a channel is formed in one side, far away from the pump body, of the pump cover. This on-vehicle low pressure water pump adopts the mode of double-deck protection network protection, and the hole of second protection network is denser than first protection network, and is stronger to the blocking effect of dust, thereby can not produce great resistance to the air flow near the flabellum and influence the flabellum work simultaneously, and easy installation is dismantled, the clearance of being convenient for this on-vehicle low pressure water pump has solved the relatively poor problem of the effect of the individual layer protection network of the fan installation of pump cover department of current on-vehicle low pressure water pump for prevent the deposition.

Description

Vehicle-mounted low-pressure water pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a vehicle-mounted low-pressure water pump.

Background

The water pump is a machine for conveying liquid or pressurizing the liquid, and can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of the liquid, and is mainly used for conveying liquid including water, oil, acid-alkali liquor, emulsion, suspension emulsion and liquid metal, etc. and can also be used for conveying liquid, gas mixture and liquid containing suspended solid.

The vehicle-mounted low-pressure water pump is characterized in that an engine drives a water pump bearing and an impeller to rotate through a belt pulley, cooling liquid in the water pump is driven by the impeller to rotate together, the cooling liquid is thrown to the edge of a water pump shell under the action of centrifugal force, certain pressure is generated at the same time, then the cooling liquid flows out of a water outlet channel or a water pipe, the pressure of the center of the impeller is reduced due to the fact that the cooling liquid is thrown out, the cooling liquid in a water tank is sucked into the impeller through the water pipe under the action of the pressure difference between an inlet of the water pump and the center of the impeller, the reciprocating circulation of the cooling liquid is realized, when the existing vehicle-mounted low-pressure water pump is used, the cooling liquid needs to be radiated through a fan at a pump cover, dust is easy to accumulate when the fan is used for a long time, if dust is not cleaned timely, accumulation is generated inside the pump body, components are damaged, and therefore long-term use of the vehicle-mounted low-pressure water pump is influenced, and the existing single-layer protection net has poor effect of preventing dust accumulation.

Disclosure of Invention

The utility model aims to provide a vehicle-mounted low-pressure water pump, which aims to solve the problem that a single-layer protection net arranged at a pump cover of the existing vehicle-mounted low-pressure water pump is poor in dust accumulation prevention effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a vehicle-mounted low-pressure water pump comprises a water pumping port, a water outlet and a pump body,

the water pump is characterized in that a water outlet is arranged above the water pumping port, a first sound absorption layer is arranged outside the water outlet, the water pumping port and the water outlet are connected with one side of a pump body, a pump cover is arranged on the other side of the pump body, a second sound absorption layer is arranged outside the pump body, an opening is formed in the pump cover, fan blades are arranged in the opening, a channel is formed in one side, far away from the pump body, of the pump cover, the channel is spliced with a connecting port, a supporting frame is arranged on the upper side of the connecting port, a first protective net is arranged at the bottom of the supporting frame, and a second protective net is arranged on the outer side of the supporting frame.

Preferably, the channel is located outside the opening, and threads are arranged outside the connecting port.

Preferably, the threads on one side of the channel close to the opening are matched with the threads on the outer side of the connecting port, the supporting frame is in a cross shape, and the top of the supporting frame is connected with a torsion block.

Preferably, an extension port is arranged on the outer side of the bottom of the pump cover, and a groove is formed in one side, close to the opening, of the extension port.

Preferably, the sound absorbing cotton is placed in the extension opening, and the flip is installed on the extension opening through a hinge.

Preferably, one side of the flip, which is far away from the hinge, is connected with an extension block, and one side of the flip, which is close to the extension block, is connected with a protrusion.

Preferably, the four groups of extension ports are equidistantly arranged at the bottom of the pump cover, the protrusions and the grooves are symmetrically arranged about the hinge, and the sizes of the protrusions are matched with those of the grooves.

Compared with the prior art, the utility model has the beneficial effects that: this on-vehicle low pressure water pump adopts the mode of double-deck protection network protection, and the hole of second protection network is denser than first protection network, and is stronger to the blocking effect of dust, thereby can not produce great resistance to the air flow near the flabellum and influence the flabellum work simultaneously, thereby easily installation dismantles, the clearance of being convenient for, has solved the relatively poor problem of the effect that the individual layer protection network of current on-vehicle low pressure water pump's pump cover department fan installation prevents the deposition.

1. The vehicle-mounted low-pressure water pump is a machine for conveying liquid and pressurizing the liquid, heat is generated when an internal component of a pump body works, the heat is reduced under the action of fan blades, so that the normal working state of the component is maintained, in order to avoid direct contact between the fan blades and the outside, a first protective net and a second protective net are arranged on the outer sides of the fan blades, holes of the first protective net are larger than those of the second protective net, air circulation nearby the fan blades is facilitated, the first protective net and the second protective net are respectively arranged at the inner bottom and the outer surface of a support frame, when more dust is accumulated, a twisting block is screwed to be connected with a threaded connection port of a channel through threads to take down the protective net for cleaning, the vehicle-mounted low-pressure water pump adopts a double-layer protective net protection mode, the holes of the second protective net are relatively dense, the blocking effect on dust is relatively strong, the vehicle-mounted low-pressure water pump is easy to install and detach, and cleaning is facilitated;

2. this on-vehicle low pressure water pump gives liquid with the mechanical energy transfer of prime mover, make liquid energy increase, the nearby air velocity of flow of flabellum during operation can increase, thereby noise and vibrations are produced, it can absorb the noise that pump body during operation pump cover department produced to have placed the sound absorbing cotton in the extension mouth of equidistant installation all around to the pump cover bottom, and the sound absorbing cotton in the extension mouth can regularly be changed, upwards lift the extension piece during the change, until the arch breaks away from the recess of extension mouth completely, can open flip, change the sound absorbing cotton, the second sound absorbing layer is installed in the pump body outside, can adsorb external noise when the automobile body moves, protect the inside subassembly of pump body, this on-vehicle low pressure water pump, the flabellum during operation can adsorb the noise, be favorable to the long-term use of flabellum.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a channel according to the present utility model;

fig. 4 is a right-view structural schematic diagram of the second protection net of the present utility model.

In the figure: 1. a water pumping port; 2. a water outlet; 21. a first sound-absorbing layer; 3. a pump body; 31. a second sound-absorbing layer; 4. a pump cover; 41. an opening; 42. a fan blade; 43. a channel; 5. a connection port; 52. a support frame; 53. a first protection net; 54. a second protection net; 55. twisting blocks; 6. an extension port; 61. a groove; 62. sound absorbing cotton; 63. a hinge; 64. a flip cover; 65. an extension block; 66. a protrusion.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: a vehicle-mounted low-pressure water pump comprises a water pumping port 1, a water outlet 2 and a pump body 3,

the water pump is characterized in that the water outlet 2 is arranged above the water pumping port 1, a first sound absorbing layer 21 is arranged on the outer side of the water outlet 2, the water pumping port 1 and the water outlet 2 are connected with one side of the pump body 3, a pump cover 4 is arranged on the other side of the pump body 3, a second sound absorbing layer 31 is arranged on the outer side of the pump body 3, an opening 41 is formed in the pump cover 4, fan blades 42 are arranged in the opening 41, a channel 43 is formed in one side, far away from the pump body 3, of the pump cover 4, the channel 43 is inserted into the connecting port 5, a support frame 52 is arranged on the upper side of the connecting port 5, a first protective net 53 is arranged at the bottom of the support frame 52, a second protective net 54 is arranged on the outer side of the support frame 52, the channel 43 is arranged on the outer side of the opening 41, threads on one side, close to the opening 41, of the channel 43 are matched with threads on the outer side of the connecting port 5, the support frame 52 is in a cross-shaped, and a torsion block 55 is connected to the top of the support frame 52.

During the implementation, can produce the heat during operation of the inside subassembly of pump body 3, thereby the heat is reduced under the effect of flabellum 42 and is kept the normal operating condition of subassembly, in order to avoid flabellum 42 and external direct contact flabellum 42 outside to install first protection network 53 and second protection network 54, prevent that external dust from getting into the inside pump body 3 through flabellum 42 and causing the damage to pump body 3, the hole of first protection network 53 is greater than second protection network 54, be convenient for the nearby circulation of air of flabellum 42, first protection network 53 and second protection network 54 are installed in support frame 52 inner bottom and surface respectively, most dust in the external air can be intercepted by second protection network 54, when the dust accumulation is more, twist turn round piece 55 through connector 5 with the threaded connection of channel 43 take off the protection network clear up can, this on-vehicle low pressure water pump is the transportation liquid and makes the machinery of liquid pressurization, adopt the mode of double-deck protection network protection, and the hole of second protection network 54 is comparatively intensive, the blocking effect to the dust is stronger, easy installation and dismantlement, be convenient for clear up.

Referring to fig. 2-4, an extension port 6 is installed on the outer side of the bottom of the pump cover 4, a groove 61 is formed on one side of the extension port 6 close to the opening 41, sound absorbing cotton 62 is placed in the extension port 6, a flip cover 64 is installed on the extension port 6 through a hinge 63, an extension block 65 is connected to one side of the flip cover 64 far away from the hinge 63, a protrusion 66 is connected to one side of the flip cover 64 close to the extension block 65, four groups of extension ports 6 are equidistantly arranged on the bottom of the pump cover 4, the protrusion 66 and the groove 61 are symmetrically arranged about the hinge 63, and the size of the protrusion 66 is matched with that of the groove 61.

In specific implementation, the fan blades 42 work, the nearby air flow speed can be increased, thereby noise and vibration are generated, sound absorbing cotton 62 is placed in the extending port 6 which is arranged at the periphery of the bottom of the pump cover 4 at equal intervals, the noise generated by the pump cover 4 during the work of the pump body 3 can be absorbed, the sound absorbing cotton 62 in the extending port 6 can be replaced periodically, the extending block 65 is lifted upwards until the protrusion 66 is completely separated from the groove 61 of the extending port 6 during the replacement, the flip cover 64 can be rotated and opened through the hinge 63 to replace the internal sound absorbing cotton 62, the flip cover 64 is closed and pressed downwards after the replacement until the protrusion 66 completely enters the groove 61 to be fixed, the sound absorbing effect is ensured, the second sound absorbing layer 31 is arranged on the outer side of the pump body 3, the external noise can be absorbed during the movement of the vehicle body, the internal components of the pump body 3 are protected, the vehicle-mounted low-pressure water pump transmits the mechanical energy of the prime motor to the liquid, the liquid energy is increased, the noise can be absorbed during the work of the fan blades 42, and the fan blades 42 can be used for a long term.

In summary, when the pump body 3 works, the engine drives the water pump bearing and the impeller to rotate through the belt pulley, the cooling liquid in the pump body 3 is driven by the impeller to rotate together, the cooling liquid is thrown to the edge of the shell of the pump body 3 under the action of centrifugal force, a certain pressure is generated at the same time, then the cooling liquid flows out from the water outlet 2, the pressure is reduced at the center of the impeller due to the fact that the cooling liquid is thrown out, the cooling liquid in the water tank is sucked into the impeller through the water pipe under the action of the pressure difference between the water pumping port 1 of the water pump and the center of the impeller, the reciprocating circulation of the cooling liquid is realized, the fan blade 42 on one side of the pump body 3 far away from the water pumping port 1 rotates to increase the air flow rate to dissipate heat, after the air flow rate is increased, dust in the air is intercepted and adsorbed by the first protective net 53 and the second protective net 54, the dust is prevented from entering the pump body 3 to cause damage, the noise generated when the fan blade 42 rotates is adsorbed by the sound absorbing cotton 62 in the extension port 6, and the protective net is screwed down when the protective net is cleaned.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a on-vehicle low pressure water pump, includes water sucking mouth (1), outlet (2) and pump body (3), its characterized in that:

the utility model discloses a pump for water pump, including pump body (3), pump body (4), outlet (2) are installed to mouth (1) top of drawing water, the outlet (2) outside is provided with first sound absorbing layer (21), mouth (1) and outlet (2) all are connected with one side of pump body (3), pump cover (4) are installed to pump body (3) opposite side, second sound absorbing layer (31) are installed in pump cover (4) outside, opening (41) have been seted up to pump cover (4), install flabellum (42) in opening (41), channel (43) have been seted up to one side that pump cover (4) kept away from pump body (3), channel (43) peg graft mutually with connector (5), support frame (52) are installed to connector (5) upside, first protection network (53) are installed to support frame (52) bottom, second protection network (54) are installed in the outside of support frame (52).

2. The vehicle-mounted low-pressure water pump of claim 1, wherein: the channel (43) is positioned outside the opening (41), and threads are arranged outside the connecting port (5).

3. The vehicle-mounted low-pressure water pump of claim 2, wherein: the screw thread of the side of the channel (43) close to the opening (41) is matched with the screw thread of the outer side of the connecting port (5), the supporting frame (52) is in a cross shape, and the top of the supporting frame (52) is connected with a torsion block (55).

4. The vehicle-mounted low-pressure water pump of claim 1, wherein: an extension opening (6) is arranged on the outer side of the bottom of the pump cover (4), and a groove (61) is formed in one side, close to the opening (41), of the extension opening (6).

5. The vehicle-mounted low pressure water pump of claim 4, wherein: the sound absorbing cotton (62) is arranged in the extension opening (6), and the flip (64) is arranged on the extension opening (6) through the hinge (63).

6. The vehicle-mounted low-pressure water pump of claim 5, wherein: one side of the flip (64) far away from the hinge (63) is connected with an extension block (65), and one side of the flip (64) close to the extension block (65) is connected with a protrusion (66).

7. The vehicle-mounted low pressure water pump of claim 6, wherein: the four groups of extension ports (6) are equidistantly arranged at the bottom of the pump cover (4), the protrusions (66) and the grooves (61) are symmetrically arranged about the hinge (63), and the size of the protrusions (66) is matched with that of the grooves (61).