Low-noise water suction pump with built-in water cooling circulation system

Abstract

The invention discloses a low-noise water suction pump with a built-in water-cooling circulation system, which comprises a shell and a pump body, and comprises a plurality of support sheets integrally formed on the inner wall of the shell, C-shaped frames fixed on the inner sides of the support sheets, and straight flow channels formed among the plurality of support sheets; the water circulation part is embedded in the shell and located in the straight flow channel, and comprises a cooling sleeve capable of expanding and dividing flow, a water guide pipe, a water return pipe and a plurality of grid blocking pieces; and the water diversion end is mounted in the pump body and comprises a connecting end I, a connecting end II and an anti-rust part mounted at the end part of the connecting end II. Pressure difference exists in the water circulation part, the cooling sleeve expands and is more attached to the interior of the water pump, heat generated during operation of the motor is rapidly taken away, internal temperature rise is remarkably reduced, in addition, under the condition that the working environment is severe, gaps caused by thermal expansion and cold contraction can be adaptively filled, and the optimal effect on heat dissipation of the water pump is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of water pumps, in particular to a low-noise water pump with a built-in water cooling circulation system. Background Art

[0002] As the core power component of the fluid delivery system, the performance of the water pump directly affects the operating efficiency of industrial equipment, water treatment systems, and building water supply and drainage. Traditional water pumps generally use air cooling solutions, using motor axial fans or independent cooling fans to perform forced convection cooling on the motor stators, rotors and other heat-generating components.

[0003] In harsh working environments, if the water pump motor adopts the traditional fan cooling solution, the traditional fan cooling motor is easily invaded by pollutants due to its open structure, resulting in stain accumulation and multiple failures. Based on this, it is necessary to replace the traditional fan with a water circulation system. Based on the announcement CN204646698U, the name is a water pump with a built-in water cooling circulation system, which adopts a water circulation solution, but there are still the following problems that need to be further optimized:

[0004] 1. The design of the cooling channel has defects. When the spirally wound cooling channel encounters impurities in the cooling water, the channel will be blocked, which will affect the water circulation, increase the local temperature, and easily cause local insulation aging. Secondly, the flow rate of the channel is slower than the liquid flow rate in the water pump. In addition, the shape of the channel changes, and impurities are more easily deposited.

[0005] 2. When the cooling flow channel is used in low temperature conditions and the machine is shut down in a cold environment, the residual cooling water may freeze and expand, which may cause the flow channel to rupture.

[0006] 3. Although the built-in cooling channel can achieve better cooling, it is related to the degree of fit with the water pump casing or inner wall. The cooling channel is also a part that is easily corroded. Therefore, the cooling channel often needs to be replaced before the life of the water pump ends. The easy-to-replace cooling channel often has a certain gap with the water pump casing or inner wall, or the local position cannot be completely fitted. Summary of the invention

[0007] The object of the present invention is to provide a low-noise water pump with a built-in water cooling circulation system to solve the problems raised in the above background technology.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: a low-noise water pump with a built-in water cooling circulation system, comprising a housing and a pump body, characterized in that it comprises:

[0009] a direct current channel, located in the housing;

[0010] The water circulation part is embedded in the shell and located in the direct current channel, and includes a cooling jacket with a multi-channel structure, a water guide pipe, a water return pipe and a plurality of baffles;

[0011] The water inlet end is installed inside the pump body, and includes a connection end 1 and a connection end 2 with a diameter difference, and a rust-proof part installed at the end of the connection end 2. The connection end 1 and the connection end 2 are respectively connected to the return pipe and the water guide pipe of the water circulation part. The connection end 1 and the connection end 2 form a pressure difference on the water circulation part to achieve expansion.

[0012] Furthermore, the inner wall of the shell is integrally formed with a plurality of support sheets, a C-shaped frame is fixed on the inner side of the support sheet, the direct current channel is located between the plurality of support sheets, one end of the shell is closed, and a rear cover is installed at the other end, and an annular flow channel connected to the direct current channel is opened at the closed end;

[0013] The plurality of baffles are respectively arranged in the direct current channel, and the ends of the plurality of baffles are integrally provided with baffle rings located in the annular flow channel. The cooling jacket is coated on the outside of the plurality of baffles and the baffle rings, and is located in the direct current channel and the annular flow channel.

[0014] Furthermore, the cooling jacket is made of rubber and includes:

[0015] The first layer is located in the annular flow channel;

[0016] The second circle has two barrier layers inside, and its outer side is connected and communicated with the return pipe and the water pipe, and the return pipe and the water pipe are adjacent to the two barrier layers respectively;

[0017] The multiple groups of connection layers are integrally formed with the first circle layer and the second circle layer at both ends, and have folds inside. The two barrier layers are used to divide the second circle layer and the multiple groups of connection layers into two.

[0018] Furthermore, the rear cover is fixed to the outer ends of the multiple C-shaped frames and contacts the inner side of the second ring layer, and the rear cover covers the multiple blocking sheets.

[0019] Furthermore, the plurality of baffles are all metal sheets, the support sheet is perpendicular to the C-shaped frame, the baffles are buckled in the C-shaped frames on both sides, and when the cooling jacket expands, the baffles are pushed.

[0020] Furthermore, the diameter of the water outlet at the one end of the connection end is smaller than the diameter of the water inlet at the second connection end. The outer side of the pump body has an integrated water inlet flange and a water outlet flange. The second connection end and the first connection end are respectively fixed to the water inlet flange and the water outlet flange. The water outlet end of the first connection end follows the water flow out of the water outlet flange, and the water inlet end of the second connection end faces the water flow in from the water inlet flange.

[0021] Furthermore, the rust-proof part includes:

[0022] The filter frame is arranged at the water inlet end of the second connection end and can rotate. The diameter of the filter frame is larger than the water inlet end of the second connection end.

[0023] Furthermore, the rust-proof part further comprises:

[0024] Two layers of wheel bodies are fixed at the upper and lower ends of the filter frame respectively, and brackets are rotatably arranged on the outer sides of the two layers of wheel bodies, and the brackets are fixed to the second connection end;

[0025] Multiple force-bearing plates are fixed on the outside of the two layers of wheel bodies and are distributed in a circumference, and are used to drive the filter frame to rotate under the action of water flow;

[0026] The water retaining plate is fixed to the second connection end to cover half of the range of the two-layer wheel body.

[0027] Furthermore, one side of the force-bearing plate is protruding, and the other side is concave.

[0028] Furthermore, the parts of the water guide pipe and the water return pipe located outside the shell are made of metal, and the parts connected to the second ring layer and extending out of the shell are made of rubber, and the rubber part is integrally formed with the second ring layer.

[0029] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0030] 1. There is a pressure difference inside the water circulation part, the cooling jacket expands, and fits more closely to the inside of the water pump, quickly taking away the heat generated by the motor operation, significantly reducing the internal temperature rise. In addition, when the working environment is in a harsh condition, it can adaptively fill the gap caused by thermal expansion and contraction, achieving the best effect on the heat dissipation of the water pump.

[0031] 2. The water circulation part is an aging component with a shorter life span than the water pump. It is easy to replace while maintaining the fit between the water circulation part and the water pump and the sealing degree of the water pump.

[0032] 3. The water pump generates vibration during operation, and the water circulation unit reduces the noise and mechanical shock transmitted to the external structure.

[0033] 4. The rust-proof part can also self-clean the water entering the water circulation part. Due to the shape and layout of the cooling path, even if impurities enter the water circulation part, blockage can be avoided. At the same time, the expansion effect caused by the water pressure changes the path diameter, increases the permeability, avoids blockage, and can also deal with the scale generated inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0035] Figure 1It is a schematic diagram of the structure of the water pump of the present invention;

[0036] Figure 2 It is a schematic diagram of the separation structure of the housing and the back cover of the present invention;

[0037] Figure 3 It is a schematic diagram of the separation structure of the housing, cooling jacket and blocking piece of the present invention;

[0038] Figure 4 It is a schematic diagram of the inner wall structure of the shell of the present invention;

[0039] Figure 5 This is a schematic diagram of a half-section structure of a shell of the present invention;

[0040] Figure 6 The present invention Figure 5 A schematic diagram of the enlarged structure in the middle;

[0041] Figure 7 It is a schematic diagram of the half-section separation structure of the housing, cooling jacket and baffle plate of the present invention;

[0042] Figure 8 It is a schematic diagram of the cross-sectional structure of the second ring layer and the barrier piece installation of the present invention;

[0043] Fig. 9 This is a schematic diagram of the positional relationship between the back cover and the ring layer of the present invention;

[0044] Fig.10 It is a schematic diagram of the partial cross-sectional structure of the second ring layer of the present invention;

[0045] Fig.11 The present invention Fig.10 Middle B is an enlarged schematic diagram of the structure;

[0046] Fig.12 It is a schematic diagram of the pump structure of the present invention;

[0047] Fig.13 It is a schematic diagram of the installation position structure of the rust-proof part of the present invention;

[0048] Fig.14 It is a schematic structural diagram of the rust-proof part of the present invention under the action of water flow.

[0049] In the figure: 1. shell; 11. rear cover; 12. annular flow channel; 13. support plate; 14. C-shaped frame; 15. direct current channel; 2. pump body; 21. water inlet flange; 22. water outlet flange; 3. water circulation unit; 31. cooling jacket; 311. ring layer one; 312. ring layer two; 313. connecting layer; 314. blocking layer; 32. water guide pipe; 33. return pipe; 34. baffle plate; 35. baffle ring; 4. water diversion end; 41. connecting end one; 42. connecting end two; 43. rust-proof unit; 431. bracket; 432. water baffle plate; 433. wheel body; 434. force plate; 435. filter frame. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] See also Figure 1-Figure 14 , the present invention provides a technical solution: Currently, there are many water pumps that use water-cooled internal circulation, but there are still many problems, among which the most obvious defect is the setting of the cooling channel. When the spirally wound cooling channel encounters impurities in the cooling water, the channel will be blocked, which will affect the water circulation, and the local temperature will rise, which will easily cause local insulation aging. Secondly, the flow rate of the channel is slower than the flow rate of the liquid in the water pump. In addition, the shape of the channel changes, and impurities are more easily deposited. The cooling channel needs to be replaced before the life of the water pump ends. The easily replaceable cooling channel often has a certain gap with the water pump casing or the inner wall, or the local position cannot be completely fitted. Based on this, a low-noise water pump with a built-in water-cooled circulation system is proposed, including a shell 1 and a pump body 2. The shell 1 and the pump body 2 are components of the water pump, including a plurality of support plates 13, a water circulation part 3 and a water inlet end 4;

[0052] Multiple support sheets 13 are integrally formed on the inner wall of the housing 1, a C-shaped frame 14 is fixed on the inner side of the support sheet 13, and a direct current channel 15 is formed between the multiple support sheets 13. Specifically, the inner wall of the housing 1 is changed to be more suitable for the installation of the water circulation part 3 and to be more heat-dissipating.

[0053] The water circulation part 3 is embedded in the housing 1 and is located in the direct current channel 15. The water circulation part 3 is the most important part of the cooling internal circulation of the water pump, and includes a cooling jacket 31 with a multi-channel structure, a water guide pipe 32, a water return pipe 33 and a plurality of baffles 34. The water of the water pump moves from the water guide pipe 32 to the cooling jacket 31, and moves from the water return pipe 33 to the water pump after circulation.

[0054] The water inlet end 4 is installed inside the pump body 2, including a connection end 41 and a connection end 42, and a rust-proof part 43 installed at the end of the connection end 42. The connection end 41 and the connection end 42 are respectively connected to the return pipe 33 and the water guide pipe 32 of the water circulation part 3. Specifically, the water inlet end 4 is a component for water inlet and water outlet of the water circulation part 3;

[0055] When the water pump is working, the connection end 41 and the connection end 42 form a pressure difference on the water circulation part 3, which expands and squeezes the shell 1 and the baffle plate 34. When the water pump stops, it recovers. The diameter of the water outlet at the end of the connection end 41 is smaller than the diameter of the water inlet at the connection end 42. The outer side of the pump body 2 has an integrated water inlet flange 21 and a water outlet flange 22. The connection end 42 and the connection end 41 are fixed to the water inlet flange 21 and the water outlet flange 22 respectively. The water outlet end of the connection end 41 follows the water outlet flange. The water flow out of the connection end 22 and the water inlet end of the connection end 42 face the water flow in the water inlet flange 21, so that the water in the water pump enters the water circulation part 3 for circulation. Specifically, the diameter of the connection end 1 41 is 25mm, and its water outlet speed is 2.8m / s. The diameter of the connection end 2 42 is 40mm, and its water inlet speed is 1.1m / s. It can meet the functional requirements of the water pump water cooling system while ensuring the expansion driven by the pressure difference. In addition, the specific parameters can be fine-tuned according to the actual water pump flow and heat dissipation power.

[0056] It should be noted that the rotation of the impeller of the water pump forms a pressure difference, and the water pump sucks in external water through the water inlet flange 21, and discharges it from the water outlet flange 22 after pressurization. The main water flow has a higher flow velocity at the water inlet flange 21, forming a "negative pressure zone", which causes part of the water flow to be sucked into the connection end 2 42. The main water flow pressure is higher at the water outlet flange 22, and the connection end 1 41 converges here.

[0057] like Figure 2 and Figure 4 As shown, one end of the shell 1 is closed, and the other end is installed with a rear cover 11. The closed end is provided with an annular flow channel 12 connected with the direct flow channel 15. The shape of the shell 1 is changed, and the water circulation part 3 can be limited by the rear cover 11. The direct flow channel 15 and the annular flow channel 12 are the positions where the cooling jacket 31 is installed, which can fully contact with the shell 1 and increase the contact area.

[0058] like Figure 3-Figure 7 As shown, a plurality of baffles 34 are respectively arranged in the direct current channel 15, and a baffle ring 35 located in the annular flow channel 12 is integrally formed at the end of the plurality of baffles 34, and the cooling jacket 31 is covered on the outside of the plurality of baffles 34 and the baffle ring 35, and is located in the direct current channel 15 and the annular flow channel 12, and the baffles 34 and the baffle ring 35 form a component, and the cooling jacket 31 is clamped inside the housing 1, the baffles 34 and the baffle ring 35, so as to limit the cooling jacket 31, and when the cooling jacket 31 expands, the gap can be fully filled, and the contact area is increased while reducing the noise and mechanical impact transmitted to the external structure;

[0059] The cooling sleeve 31 is limited by multiple blocking pieces 34 and blocking rings 35. Since the cooling sleeve 31 is prone to aging, it can be easily taken and placed when the cooling sleeve 31 is not expanded, and can maintain a relatively high fit when expanded. Compared with the current existing technology, the heat dissipation components that are easy to take and place cannot maintain a completely fitted state, and those that maintain a fitted state are not easy to take and place, especially when there are some gaps inside the mechanical equipment, it is difficult to ensure that it extends into the gaps.

[0060] It should also be noted that the blocking piece 34 and the blocking ring 35 block the inner side of the cooling jacket 31 to prevent the cooling jacket 31 from directly contacting the internal components of the water pump and causing the rubber part to melt. When the cooling jacket 31 expands, the blocking piece 34 and the blocking ring 35 will be more closely attached to the shell 1, and even if there is vibration, it is not easy to generate noise.

[0061] like Figure 3-Figure 11 As shown, the cooling jacket 31 is made of rubber material, specifically natural latex or TPE material. Natural latex has excellent elasticity and flexibility. It can expand and stretch due to water pressure when water flows, and shrink by its own elasticity after water is cut off. TPE has elasticity similar to rubber. When the internal water pressure increases, the inner wall expands outward due to pressure, resulting in diameter expansion; when the water pressure decreases, the elastic restoring force will shrink the diameter. In addition, the damping characteristics and expansion and extrusion effect of rubber can effectively absorb high-frequency vibrations during motor operation, including a ring layer 1 311, a ring layer 2 312 and multiple groups of connecting layers 313;

[0062] The first ring layer 311 is located in the annular flow channel 12;

[0063] The second ring layer 312 has two barrier layers 314 inside, and its outer side is connected and communicated with the return pipe 33 and the water pipe 32. The return pipe 33 and the water pipe 32 are respectively adjacent to the two barrier layers 314;

[0064] The two ends of the multiple connection layers 313 are respectively integrally formed with the circle layer 1 311 and the circle layer 2 312, and have folds inside. The two barrier layers 314 are used to divide the circle layer 2 312 and the multiple connection layers 313 into two. The folds inside the connection layer 313 can open under the action of water pressure and restore when there is no water pressure. When the heat generated by the water pump is working and the water temperature in the connection layer 313 increases due to local heat accumulation, the solubility of minerals such as calcium and magnesium in the water will decrease. After reaching an oversaturated state, crystals will precipitate and adhere to the wall of the connection layer 313 to form scale, which is easy to cause blockage after a long time. The change of the folds on the inner wall of the connection layer 313 clears the scale. When the folds are relaxed, there is water pressure, and when the folds are restored, the water pump stops working. The restored folds squeeze the scale, and after relaxation, the scale can be directly flushed away, further avoiding the problem of blockage.

[0065] The multiple groups of connection layers 313 are all strip-shaped and are used to connect the circle layer 1 311 and the circle layer 2 312. Each group of connection layers 313 can connect the circle layer 1 311 and the circle layer 2 312, and the two barrier layers 314 divide the circle layer 2 312 into two, one side for water inlet and the other side for water outlet, so that water first enters the connection layer 313 and then passes through the circle layer 1 311, and then moves outward from the connection layer 313 to realize water circulation.

[0066] The multiple connecting layers 313 can increase the water flow channel and flow area. Even if a local blockage occurs, it will not affect the water circulation. In addition, the rubber material can easily expand under the action of water pressure. Even if it is blocked, the impurities can be taken out by increasing the water flow speed and pressure.

[0067] like Fig. 9 As shown, the rear cover 11 is fixed to the outer end of the multi-piece C-shaped frame 14 and contacts the inner side of the second ring layer 312. The rear cover 11 covers the multi-piece baffle plates 34. The rear cover 11 can be installed and disassembled. The baffle plates 34 and the baffle rings 35 can be directly taken out by disassembling the rear cover 11, and the cooling jacket 31 can also be removed, so that the cooling jacket 31 can be replaced easily. When there is water pressure inside the cooling jacket 31, the second ring layer 312 also expands to squeeze the side of the rear cover 11, thereby increasing the sealing degree of the water pump. When the water pump is working, the sealing degree can be increased to prevent it from being affected by the external environment.

[0068] like Figure 8 As shown, the plurality of baffles 34 are all metal sheets with strong thermal conductivity, and are used to support the cooling jacket 31. The support sheet 13 is perpendicular to the C-shaped frame 14, and the baffles 34 are buckled in the C-shaped frames 14 on both sides. When the cooling jacket 31 expands, the baffles 34 are pushed;

[0069] Specifically, the position of the blocking piece 34 can be limited by the C-shaped frame 14. When the blocking piece 34 is taken or placed, it can only slide along the direct current channel 15. When the water pump is working, vibration is avoided as much as possible. In addition, some driving structures inside the water pump are located on the inner side of the C-shaped frame 14. The blocking piece 34 blocks the components inside the water pump and does not directly contact the cooling jacket 31. The blocking piece 34 is straight to avoid uncomfortable deformation of the cooling jacket 31 and affect the water circulation.

[0070] It should be noted that the blocking pieces 34 and the blocking rings 35 support the cooling sleeve 31, so that the flow path is relatively restricted, and the water pump can be cooled in a circle around the water pump to prevent internal or external factors from changing the flow path. In addition, when the blocking pieces 34 and the blocking rings 35 support, the cooling sleeve 31 expands, which will only make the gap smaller and the flow path larger.

[0071] like Fig.12 As shown, the rust-proof portion 43 includes a filter frame 435;

[0072] The filter frame 435 is arranged at the water inlet end of the second connection end 42 and can rotate. The diameter of the filter frame 435 is larger than the water inlet end of the second connection end 42.

[0073] Specifically, when water flows through the rotating filter frame 435, the aperture on the surface of the filter frame 435 will intercept particulate impurities larger than the aperture, such as mud, suspended matter, etc., to achieve basic filtering function. When the filter frame 435 rotates, the water flow direction and the surface of the filter frame 435 form a dynamic shear force, which can peel off the attached impurities and achieve self-cleaning. It should be noted that the water inflow generated by the holes of the filter frame 435 causes a pressure difference in the water circulation part 3.

[0074] like Fig.13 and Fig.14 As shown, the rust-proof part 43 also includes a two-layer wheel body 433, a plurality of force-bearing plates 434 and a water-retaining plate 432;

[0075] The two-layer wheel body 433 is respectively fixed at the upper and lower ends of the filter frame 435, and the outer sides of the two-layer wheel body 433 are both rotatably provided with a bracket 431, and the bracket 431 is fixed to the second connection end 42;

[0076] A plurality of force-bearing plates 434 are respectively fixed on the outside of the two-layer wheel body 433 and are distributed in a circumference, and are used to drive the filter frame 435 to rotate under the action of water flow;

[0077] The water retaining plate 432 is fixed to the second connecting end 42 to cover half of the two-layer wheel body 433 .

[0078] Specifically, the two-layer wheel body 433 covers the upper and lower sides of the filter frame 435, and the multiple force plates 434 rotate under the action of water flow, driving the filter frame 435 to rotate. The water baffle 432 blocks the water flow on one side to ensure that the filter frame 435 rotates, thereby achieving self-cleaning of the filter frame 435.

[0079] One side of the force-bearing plate 434 is protruding, and the other side is concave. Under the force of water flow, the pressure applied to the concave side is large, so the force-bearing plate 434 can be easily rotated.

[0080] The parts of the water guide pipe 32 and the water return pipe 33 located outside the shell 1 are made of metal, and the parts connected to the second ring layer 312 and extending out of the shell 1 are made of rubber, and the rubber part is integrally formed with the second ring layer 312.

[0081] Specifically, the rubber parts of the cooling jacket 31 and the water pipe 32 and the water return pipe 33 are integrally formed to avoid the generation of interfaces. When the rubber expands or contracts, it is not easy to break. The interface is located at the outer end of the water pump, so even if it breaks, it is not easy to damage the water pump.

[0082] The working principle of the present invention is as follows: when the water pump is working, the impeller inside the pump body 2 rotates, driving water to enter from the water inlet flange 21 and move out from the water outlet flange 22. The connection end 1 41 and the connection end 2 42 are additional branches. When the water pump is running, part of the water flows through the connection end 1 41 and the connection end 2 42 into the water circulation part 3 and then flows back to the main water channel, forming a circulating heat dissipation system.

[0083] During the above process, water enters the water circulation part 3. Since the diameter of the water outflow from the connection end 41 is smaller than the diameter of the water inflow from the connection end 42, a pressure difference is formed on the water circulation part 3, thereby expanding the cooling jacket 31, quickly taking away the heat generated by the operation of the water pump, and significantly reducing the internal temperature rise. The cooling jacket 31 squeezes the inner baffle plate 34 and the baffle ring 35, and the gap between the water circulation part 3 and the shell 1 is smaller. Under harsh external environments, such as high or low temperatures, the cooling jacket 31 elastically expands and can adaptively fill the gap caused by thermal expansion and contraction, thereby achieving the best effect on the heat dissipation of the water pump.

[0084] Secondly, the rear cover 11 is fixed to the outer end of the multi-piece C-shaped frame 14 and contacts the inner side of the second ring layer 312. The rear cover 11 covers the multi-piece blocking pieces 34. Based on this, the blocking pieces 34 and the blocking ring 35 are limited inside the housing 1, and as shown in FIG. Figure 6 As shown, the blocking ring 35 blocks the ring layer 1 311, and when the cooling jacket 31 expands under the action of water pressure, it can prevent it from moving outward, thereby achieving the role of limiting. The rear cover 11 can be removed, and the blocking piece 34, the blocking ring 35 and the cooling jacket 31 can be taken out, and the rubber part that is prone to aging can be replaced, and the gap generated can be reduced;

[0085] The water pump is prone to generate a certain degree of vibration during movement, and the sealing position of the rear cover 11 is prone to communicate with the outside world. Fig. 9 In the state shown, the second ring layer 312 expands under the action of water pressure and squeezes the inner back cover 11, which can reduce the degree of connection between the back cover 11 and the outside and achieve the best sealing state;

[0086] In addition, the damping properties and expansion and extrusion effects of rubber can effectively absorb high-frequency vibrations during motor operation, reduce the noise and mechanical shock transmitted to the external structure, and improve the smooth operation of the equipment.

[0087] At the end of the water inlet flange 21, when water enters, the water flow impacts the anti-rust part 43, causing the filter frame 435 to rotate. Fig.14 As shown, water can move inward from the filter frame 435 to the second connection end 42, and impurities will adhere to the outside of the filter frame 435, and rotate with the filter frame 435, and then move with the water flow. The impurities are first pushed to the outside of the filter frame 435 and then move with the water flow, wiping the filter frame 435, thereby preventing impurities from entering the water circulation part 3 and achieving a self-cleaning effect;

[0088] Even if water enters the cooling jacket 31, the connection layer 313 forms multiple passages, so even if local blockage occurs, the cooling path is still in a connected state. In addition, the expansion effect caused by the water pressure can make the path more transparent, further avoiding the blockage problem.

[0089] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0090] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-noise water pump with a built-in water-cooling circulation system, comprising a housing and a pump body, characterized in that: include: a direct current channel, located in the housing; The water circulation part is embedded in the shell and located in the direct current channel, and includes a cooling jacket with a multi-channel structure, a water guide pipe, a water return pipe and a plurality of baffles; The water inlet end is installed inside the pump body, and includes a connection end 1 and a connection end 2 with a diameter difference, and a rust-proof part installed at the end of the connection end 2. The connection end 1 and the connection end 2 are respectively connected to the return pipe and the water guide pipe of the water circulation part. The connection end 1 and the connection end 2 form a pressure difference on the water circulation part to achieve expansion.

2. The low-noise water pump with a built-in water cooling circulation system according to claim 1, characterized in that: The inner wall of the shell is integrally formed with a plurality of support sheets, a C-shaped frame is fixed on the inner side of the support sheet, the direct current channel is located between the plurality of support sheets, one end of the shell is closed, and a rear cover is installed at the other end, and an annular flow channel connected to the direct current channel is opened at the closed end; The plurality of baffles are respectively arranged in the direct current channel, and the ends of the plurality of baffles are integrally provided with baffle rings located in the annular flow channel. The cooling jacket is coated on the outside of the plurality of baffles and the baffle rings, and is located in the direct current channel and the annular flow channel.

3. The low-noise water pump with a built-in water cooling circulation system according to claim 2, characterized in that: The cooling jacket is made of rubber and comprises: The first layer is located in the annular flow channel; The second circle has two barrier layers inside, and its outer side is connected and communicated with the return pipe and the water pipe, and the return pipe and the water pipe are adjacent to the two barrier layers respectively; The multiple groups of connection layers are integrally formed with the first circle layer and the second circle layer at both ends, and have folds inside. The two barrier layers are used to divide the second circle layer and the multiple groups of connection layers into two.

4. The low-noise water pump with a built-in water-cooling circulation system according to claim 3, characterized in that: The rear cover is fixed to the outer ends of the multiple C-shaped frames and contacts the inner side of the second ring layer. The rear cover covers the multiple blocking sheets.

5. The low-noise water pump with a built-in water-cooling circulation system according to claim 2, characterized in that: The plurality of baffles are all metal sheets, the support sheet is perpendicular to the C-shaped frame, the baffles are buckled in the C-shaped frames on both sides, and when the cooling jacket expands, the baffles are pushed.

6. The low-noise water pump with a built-in water-cooling circulation system according to claim 1, characterized in that: The diameter of the water outlet at the end of the first connection end is smaller than the diameter of the water inlet at the second connection end. The outer side of the pump body has an integrated water inlet flange and a water outlet flange. The second connection end and the first connection end are respectively fixed to the water inlet flange and the water outlet flange. The water outlet end of the first connection end follows the water flow out of the water outlet flange, and the water inlet end of the second connection end faces the water flow in the water inlet flange.

7. The low-noise water pump with a built-in water-cooling circulation system according to claim 1, characterized in that: The rust-proof part comprises: The filter frame is arranged at the water inlet end of the second connection end and can rotate. The diameter of the filter frame is larger than the water inlet end of the second connection end.

8. The low-noise water pump with a built-in water-cooling circulation system according to claim 7, characterized in that: The anti-rust part also includes: Two layers of wheel bodies are fixed at the upper and lower ends of the filter frame respectively, and brackets are rotatably arranged on the outer sides of the two layers of wheel bodies, and the brackets are fixed to the second connection end; Multiple force-bearing plates are fixed on the outside of the two-layer wheel bodies and distributed in a circumference, and are used to drive the filter frame to rotate under the action of water flow; The water retaining plate is fixed to the second connection end to cover half of the range of the two-layer wheel body.

9. The low-noise water pump with a built-in water cooling circulation system according to claim 8, characterized in that: One side of the force-bearing plate is protruding, and the other side is concave.

10. The low-noise water pump with a built-in water-cooling circulation system according to claim 1, characterized in that: The parts of the water guide pipe and the water return pipe located outside the shell are made of metal, and the parts connected to the second ring layer and extending out of the shell are made of rubber, and the rubber part is integrally formed with the second ring layer.

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