Feed pump

Abstract

The embodiment of the invention provides a water feeding pump which comprises a motor, a pump body, a sealing assembly and a protection assembly, the pump body comprises a shell, the shell comprises a shell body and a cover plate, the shell body and the cover plate are connected and form a containing cavity, an output shaft of the motor penetrates through the cover plate, and part of the output shaft is located in the containing cavity; the sealing assembly comprises a supporting ring, a sealing gasket and a sealing ring, the supporting ring is connected to the cover plate in the radial direction of the output shaft, the sealing gasket is arranged between the supporting ring and the output shaft, the sealing ring is arranged between the supporting ring and the cover plate, the output shaft is rotationally connected with the sealing gasket, and the protection assembly is arranged outside the output shaft in the circumferential direction of the output shaft. Sealing between the output shaft and the cover plate can be achieved through the sealing gasket and the sealing ring of the sealing assembly, so that liquid in the pump body is prevented from leaking between the output shaft and the cover plate, the sealing gasket and the sealing ring can be fixed through the supporting ring of the sealing assembly, and the sealing gasket and the sealing ring are prevented from deviating; and the reliability of the sealing washer and the sealing ring is improved.

Description

Technical Field

[0001] The embodiments of the present disclosure belong to the technical field of water supply pumps, and specifically relate to a water supply pump. Background Art

[0002] A water supply pump usually refers to a water pump device used in a water supply system. It is mainly used to provide tap water supply to buildings, industrial production and other places to ensure that the water source can be effectively transported to where it is needed. A water supply pump is usually one of the important infrastructures in buildings or industrial facilities. When using a water supply pump, it usually needs to be used in conjunction with a sealing structure.

[0003] When the existing water pump is in use, the pump shaft usually penetrates the pump body and drives the impeller to rotate, which can achieve the purpose of conveying liquid. However, during the use of the water pump, due to the long-term rotation between the pump shaft and the pump body, it is often easy to cause significant wear, thereby affecting the sealing effect, causing water leakage, and affecting the normal use of the equipment. Summary of the invention

[0004] The embodiments of the present disclosure aim to solve at least one of the technical problems existing in the prior art and provide a water supply pump.

[0005] An embodiment of the present disclosure provides a water supply pump, the water supply pump comprising:

[0006] Motor;

[0007] A pump body, wherein the pump body comprises a shell, wherein the shell comprises a shell body and a cover plate, wherein the shell body is connected to the cover plate and forms a receiving cavity, wherein the output shaft of the motor passes through the cover plate, and part of the output shaft is located in the receiving cavity;

[0008] A sealing assembly, the sealing assembly comprising a support ring, a sealing gasket and a sealing ring, the support ring being connected to the cover plate, the sealing gasket being arranged between the support ring and the output shaft along the radial direction of the output shaft, the sealing ring being arranged between the support ring and the cover plate, and the output shaft being rotatably connected to the sealing gasket;

[0009] A protection component is arranged outside the output shaft along the circumference of the output shaft.

[0010] In some embodiments of the present disclosure, the sealing assembly further includes:

[0011] A sealing retaining ring is sleeved on the output shaft and is tightly attached to a side of the cover plate away from the motor.

[0012] In some embodiments of the present disclosure, the sealing assembly further includes a sealing fixing piece, which is disposed on a side of the support ring close to the motor, and the sealing fixing piece is connected to a side of the cover plate close to the motor.

[0013] In some embodiments of the present disclosure, there are multiple sealing fixing members, and the multiple fixing members are spaced and evenly arranged along the circumference of the support ring.

[0014] In some embodiments of the present disclosure, the protection component includes:

[0015] The protective member includes a plurality of protective fences, and the plurality of protective fences are spaced and evenly arranged along the circumference of the output shaft.

[0016] In some embodiments of the present disclosure, the protection component further includes:

[0017] A connecting piece is used to connect a plurality of the guardrails.

[0018] In some embodiments of the present disclosure, the connecting member includes a plurality of connecting rods, and two adjacent guardrails are connected by the connecting rods.

[0019] In some embodiments of the present disclosure, the protective assembly further includes a protective fixing member, which is disposed on an outer wall of the protective member, and the protective member is connected to a side of the cover plate close to the motor.

[0020] In some embodiments of the present disclosure, there are multiple protective fixing members, and the multiple protective fixing members are spaced and evenly arranged along the circumference of the protective member.

[0021] In some embodiments of the present disclosure, the protective assembly further includes a positioning member, which is disposed at one end of the protective member close to the cover plate, and a positioning hole is provided on one side of the cover plate close to the protective member, and the positioning hole cooperates with the positioning member.

[0022] The water supply pump of the embodiment of the present disclosure includes a motor, a pump body, a sealing assembly and a protective assembly, wherein the pump body includes a shell, the shell includes a shell body and a cover plate, the shell body is connected to the cover plate, and the shell body and the cover plate jointly form a receiving chamber to accommodate the impeller and the liquid flowing through the pump body. The output shaft of the motor is arranged on the cover plate, and part of the output shaft of the motor is arranged on the cover plate and extends into the receiving chamber to connect the impeller in the receiving chamber. The sealing assembly includes a support ring, a sealing gasket and a sealing ring, wherein the support ring is connected to the cover plate, along the radial direction of the output shaft, the sealing gasket is arranged between the support ring and the output shaft, and the output shaft can rotate relative to the sealing gasket to seal the gap between the support ring and the output shaft to prevent the liquid in the receiving chamber from leaking from the support ring and the output shaft, and the sealing ring is arranged between the support ring and the cover plate to seal the gap between the support ring and the cover plate, otherwise the liquid in the receiving chamber leaks from the support ring and the cover plate. The protective assembly is arranged outside the output shaft along the circumference of the output shaft to protect the output shaft and prevent other objects from affecting the normal operation of the output shaft. The water supply pump of the disclosed embodiment can achieve sealing between the output shaft and the cover plate through the sealing gasket and the sealing ring of the sealing assembly, thereby preventing the liquid in the pump body from leaking from between the output shaft and the cover plate. The sealing gasket and the sealing ring can be fixed by the support ring of the sealing assembly to prevent the position of the sealing gasket and the position of the sealing ring from shifting, thereby improving the reliability of the sealing gasket and the reliability of the sealing ring. In addition, the output shaft of the motor is protected by the protective assembly to prevent other objects from affecting the normal rotation of the output shaft, thereby ensuring the normal operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of a motor according to an embodiment of the present disclosure (first perspective);

[0024] Figure 2 is a schematic structural diagram of a motor according to an embodiment of the present disclosure (second viewing angle);

[0025] Figure 3 for Figure 1 A partial cross-sectional schematic diagram of a motor shown;

[0026] Figure 4 for Figure 1 A schematic diagram of the structure of the sealing assembly and pump body of the motor shown;

[0027] Figure 5 for Figure 1 Schematic diagram of the structure of the motor protection component and pump body shown.

[0028] The reference numerals in the accompanying drawings represent the following:

[0029] 1. Motor; Output shaft;

[0030] 2. Base; 21. Bracket;

[0031] 3. Pump body; 31. Water inlet port; 32. Drain port; 33. Mounting flange; 34. Shell; 341. Shell body; 342. Cover plate; 35. Impeller; 301. Accommodating chamber;

[0032] 4. Protection assembly; 41. Protection fence; 42. Connecting rod; 43. Positioning piece; 44. Positioning hole; 45. Protection fixing piece;

[0033] 5. Sealing assembly; 51. Support ring; 52. Sealing gasket; 53. Mounting hole; 54. Sealing ring; 55. Sealing fixing piece; 56. Sealing retaining ring. DETAILED DESCRIPTION

[0034] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0035] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0036] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0037] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0038] like Figures 1 to 5 As shown, an embodiment of the present disclosure provides a water supply pump, which includes: a motor 1, a pump body 3, a sealing assembly 5 and a protective assembly 4, the pump body 3 includes a shell 34, the shell 34 includes a shell body 341 and a cover plate 342, the shell body 341 is connected to the cover plate 342 to form a accommodating cavity 301, the output shaft 11 of the motor 1 is passed through the cover plate 342, and part of the output shaft 11 is located in the accommodating cavity 301, the sealing assembly 5 includes a support ring 51, a sealing gasket 52 and a sealing ring 54, the support ring 51 is connected to the cover plate 342, along the radial direction of the output shaft 11, the sealing gasket 52 is arranged between the support ring 51 and the output shaft 11, the sealing ring 54 is arranged between the support ring 51 and the cover plate 342, the output shaft 11 is rotatably connected to the sealing gasket 52, and the protective assembly 4 is arranged outside the output shaft 11 along the circumferential direction of the output shaft 11.

[0039] The water supply pump of the embodiment of the present disclosure includes a motor 1, a pump body 3, a sealing assembly 5 and a protective assembly 4, wherein the pump body 3 includes a housing 34, the housing 34 includes a housing body 341 and a cover plate 342, the housing body 341 is connected to the cover plate 342, and the housing body 341 and the cover plate 342 jointly form a receiving chamber 301 to receive an impeller 35 and liquid flowing through the pump body 3. The output shaft 11 of the motor 1 is passed through the cover plate 342, and a part of the output shaft 11 of the motor 1 is passed through the cover plate 342 and then extends into the receiving chamber 301 to connect with the impeller 35 in the receiving chamber 301. The sealing assembly 5 includes a support ring 51, a sealing gasket 52 and a sealing ring 54, wherein the support ring 51 is connected to the cover plate 342, and the sealing gasket 52 is arranged between the support ring 51 and the output shaft 11 along the radial direction of the output shaft 11, and the output shaft 11 can rotate relative to the sealing gasket 52 to seal the gap between the support ring 51 and the output shaft 11 to prevent the liquid in the accommodating chamber 301 from leaking from between the support ring 51 and the output shaft 11, and the sealing ring 54 is arranged between the support ring 51 and the cover plate 342 to seal the gap between the support ring 51 and the cover plate 342, and the liquid in the accommodating chamber 301 leaks from between the support ring 51 and the cover plate 342. The protection assembly 4 is arranged outside the output shaft 11 along the circumference of the output shaft 11 to protect the output shaft 11 and prevent other objects from affecting the normal operation of the output shaft 11.

[0040] The water supply pump of the disclosed embodiment can achieve sealing between the output shaft 11 and the cover plate 342 through the sealing gasket 52 and the sealing ring 54 of the sealing assembly 5, thereby preventing the liquid in the pump body 3 from leaking from between the output shaft 11 and the cover plate 342. The sealing gasket 52 and the sealing ring 54 can be fixed by the support ring 51 of the sealing assembly 5 to prevent the position of the sealing gasket 52 and the position of the sealing ring 54 from shifting, thereby improving the reliability of the sealing of the sealing gasket 52 and the reliability of the sealing of the sealing ring 54. In addition, the output shaft 11 of the motor 1 is protected by the protective assembly 4 to prevent other objects from affecting the normal rotation of the output shaft 11, thereby ensuring the normal operation of the motor 1.

[0041] In some embodiments of the present disclosure, Figure 3 As shown, the pump body 3 further includes: an impeller 35 , which is disposed in the accommodating chamber 301 , and is connected to an end of the output shaft 11 away from the motor 1 , and the motor 1 drives the impeller 35 to rotate via the output shaft 11 .

[0042] like Figure 2 , Figure 3As shown, the housing 34 further includes a water inlet port 31 and a drain port 32, both of which are connected to the housing body 341. The water inlet port 31 is arranged on the side of the housing body 341 away from the cover plate 342, and the drain port 32 is arranged on the circumferential side wall of the housing body 341, and the water inlet port 31 and the drain port 32 are respectively communicated with the accommodating chamber 301. When the motor 1 drives the output shaft 11 to rotate, the output shaft 11 drives the impeller 35 to rotate together, and the impeller 35 transports the water in the accommodating chamber 301 near the water inlet port 31 to the accommodating chamber 301 near the drain port 32, thereby realizing the transport of the water in the water inlet port 31 to the drain port 32. The housing 34 further includes a mounting flange 33, and the water inlet port 31 and the drain port 32 are respectively provided with mounting flanges 33, and the housing 34 is connected to other water supply pipes or drainage pipes through the mounting flanges 33.

[0043] In some embodiments of the present disclosure, Figure 3 As shown, the sealing assembly 5 further includes: a sealing retainer 56, which is sleeved on the output shaft 11, and the sealing retainer 56 is close to the side of the cover plate 342 away from the motor 1. The sealing retainer 56 seals the gap between the output shaft 11 and the cover plate 342 from the side of the cover plate 342 close to the accommodating cavity 301, further improving the reliability of the sealing assembly 5. Specifically, the sealing retainer 56 and the output shaft 11 are dynamically sealed, that is, the sealing retainer 56 can be fixedly connected to the cover plate 342, and the output shaft 11 rotates relative to the sealing retainer 56, or the sealing retainer 56 is fixedly connected to the output shaft 11, and the output shaft 11 drives the sealing retainer 56 to rotate relative to the cover plate 342.

[0044] In some embodiments of the present disclosure, Figure 3 , Figure 4 As shown, the sealing assembly 5 also includes a sealing fixing 55, a part of the support ring 51 is located in the mounting hole 53 of the cover plate 342, and the remaining part of the support ring 51 is located on the side of the cover plate 342 close to the motor 1, the sealing fixing 55 is connected to the outer wall of the support ring 51, and the sealing fixing 55 is located on the side of the cover plate 342 close to the motor 1, the sealing fixing 55 is connected to the cover plate 342, and the connection between the cover plate 342 and the support ring 51 can be achieved through the sealing fixing 55.

[0045] In some embodiments of the present disclosure, there are multiple sealing fixings 55, and the multiple sealing fixings 55 are spaced and evenly arranged along the circumference of the support ring 51. The connection between the support ring 51 and the cover plate 342 is achieved through the multiple sealing fixings 55 to improve the firmness of the connection between the support ring 51 and the cover plate 342. The multiple sealing fixings 55 spaced and evenly arranged on the outer wall of the support ring 51 can ensure that the force on the cover plate 342 is more uniform. By ensuring that the force on the support ring 51 is more uniform, the service life of the support ring 51 and the cover plate 342 is improved.

[0046] Specifically, a threaded hole can be set on the sealing fixing part 55, and a corresponding threaded hole can be set on the cover plate 342, and the cover plate 342 and the sealing fixing part 55 can be connected by the cooperation of the bolt and the threaded hole; the sealing fixing part 55 can also be set with a pin, and a corresponding pin hole can be set on the cover plate 342, and the cover plate 342 and the sealing fixing part 55 can be connected by the cooperation of the pin and the pin hole; the sealing fixing part 55 can also be a clip-on part, and a clip-on part can be set on the cover plate 342, and the cooperation between the cover plate 342 and the sealing fixing part 55 can be achieved by the cooperation of the clip-on part and the clip-on part.

[0047] In some embodiments of the present disclosure, Figure 5 As shown, the protection component 4 includes: a protection member, the protection member includes a plurality of protection fences 41, the plurality of protection members are arranged outside the output shaft 11, and the plurality of protection fences 41 are spaced and evenly arranged along the circumference of the output shaft 11. Through the plurality of protection fences 41 arranged outside the output shaft 11 along the circumference of the output shaft 11, the output shaft 11 can be protected to prevent other objects from contacting the output shaft 11, and to prevent the output shaft 11 from contacting other objects during the rotation process, so as to ensure the normal rotation of the output shaft 11 and thus ensure the normal operation of the motor 1. Specifically, the length direction of the protection fence 41 is the same as the length direction of the output shaft 11, and the length of the protection fence 41 is equal to the distance between the housing of the motor 1 and the cover plate 342, so as to ensure that the protection fence 41 can fully protect the part of the output end exposed outside the housing.

[0048] Further, the protective member may be connected to the cover plate 342 , or the protective member may be connected to the housing of the motor 1 , or one end of the protective member may be connected to the cover plate 342 , and the other end of the protective member may be connected to the housing of the motor 1 .

[0049] In some embodiments of the present disclosure, Figure 5 As shown, the protection assembly 4 further includes: a connecting member, which connects a plurality of protection fences 41. Specifically, the connecting member connects a plurality of protection fences 41 arranged at intervals along the circumference of the output shaft 11, so that the plurality of protection fences 41 become a whole. This reduces the difficulty of positioning the protection member and reduces the number of protection fixing members 45 of the protection member.

[0050] In some embodiments of the present disclosure, Figure 5As shown, the connecting member includes a plurality of connecting rods 42, and two adjacent guardrails 41 are connected by the connecting rods 42. Specifically, the connecting rods 42 have a certain curvature so that the plurality of guardrails 41 form a circular guard member. In some other embodiments of the present disclosure, the connecting member may also be an annular structure, the annular structure connecting the plurality of guardrails 41 toward the side of the output shaft 11, or the annular structure connecting the plurality of guardrails 41 away from the side of the output shaft 11. In order to reduce the overall weight of the protection assembly 4 and ensure the reliability of the connection between the protection assembly 4 and the cover plate 342, the present embodiment takes the connection of two adjacent guardrails 41 by the connecting rod 42 as a preferred solution.

[0051] In some embodiments of the present disclosure, Figure 5 As shown, the protection assembly 4 also includes a protection fixing member 45, which is arranged on the outer wall of the protection member, and the protection member is connected to the side of the cover plate 342 close to the motor 1. The connection between the cover plate 342 and the protection member is achieved through the protection fixing member 45, so as to achieve the fixation of the protection assembly 4 and ensure the reliability of the protection assembly 4 for protecting the output shaft 11.

[0052] In some embodiments of the present disclosure, there are multiple protective fixings 45, and the multiple protective fixings 45 are spaced and evenly arranged along the circumference of the protective member. Specifically, the protective fixings 45 are arranged on the side of the protective fence 41 away from the output shaft 11, and the connection between the protective fence 41 and the cover plate 342 is achieved through multiple spaced and evenly arranged protective fixings 45, while ensuring that the cover plate 342 is uniformly stressed and that the protective member is uniformly stressed. Furthermore, the number of the protective fences 41 is twice the number of the protective fixings 45, and the protective fixings 45 are arranged one guardrail 41 apart.

[0053] Specifically, the protective fixing member 45 can realize the connection between the cover plate 342 and the guardrail 41 by means of bolts and threads, or by means of pins and pin holes, or by means of snap-fit ​​and snap-fit ​​connections.

[0054] In some embodiments of the present disclosure, Figure 5As shown, the protective assembly 4 also includes a positioning member 43, and the positioning member 43 is arranged at one end of the protective member close to the cover plate 342, that is, the positioning member 43 is arranged at one end of the protective fence 41 close to the cover plate 342. A positioning hole 44 is provided on one side of the cover plate 342 close to the protective member, and the positioning hole 44 cooperates with the positioning member 43. Through the cooperation between the positioning hole 44 and the positioning member 43, the installation efficiency of the cover plate 342 and the protective fence 41 is improved. Specifically, the number of the positioning members 43 is multiple, and the multiple positioning members 43 are spaced and evenly arranged along the axial direction of the output shaft 11. The multiple positioning members 43 can further improve the installation efficiency of the cover plate 342 and the protective fence 41. At the same time, the multiple spaced and evenly arranged positioning members 43 can make the cover plate 342 more evenly stressed and the protective member more evenly stressed. The number of the protective fences 41 is twice the number of the positioning members 43, and the positioning members 43 are arranged at intervals of one protective fence 41. That is, the number of the positioning members 43 is the same as the number of the protective fixing members 45 , and the plurality of positioning members 43 and the plurality of protective fixing members 45 are alternately arranged along the axial direction of the protective member.

[0055] In some embodiments of the present disclosure, Figure 2 As shown, the water supply pump also includes a base 2, the motor 1 and the pump body 3 are both arranged above the base 2, and the motor 1 is connected to the top of the base 2 through a bracket 21. The base 2 can reduce the vibration of the motor 1, thereby improving the stability of the motor 1, and further improving the stability of the water supply pump.

[0056] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present disclosure, but the present disclosure is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and substance of the present disclosure, and these modifications and improvements are also considered to be within the scope of protection of the present disclosure.

Claims

1. A water supply pump, characterized in that: The water feed pump comprises: Motor; A pump body, wherein the pump body comprises a shell, wherein the shell comprises a shell body and a cover plate, wherein the shell body is connected to the cover plate and forms a receiving cavity, wherein the output shaft of the motor passes through the cover plate, and part of the output shaft is located in the receiving cavity; A sealing assembly, the sealing assembly comprising a support ring, a sealing gasket and a sealing ring, the support ring being connected to the cover plate, the sealing gasket being arranged between the support ring and the output shaft along the radial direction of the output shaft, the sealing ring being arranged between the support ring and the cover plate, and the output shaft being rotatably connected to the sealing gasket; A protection component is arranged outside the output shaft along the circumference of the output shaft.

2. The water supply pump according to claim 1, characterized in that: The sealing assembly further comprises: A sealing retaining ring is sleeved on the output shaft and is tightly attached to a side of the cover plate away from the motor.

3. The water supply pump according to claim 1, characterized in that: The sealing assembly further comprises a sealing fixing piece, which is arranged on a side of the supporting ring close to the motor, and is connected to a side of the cover plate close to the motor.

4. The water supply pump according to claim 3, characterized in that: There are multiple sealing fixing members, and the multiple fixing members are spaced and evenly arranged along the circumference of the support ring.

5. The water supply pump according to claim 1, characterized in that: The protection component comprises: The protective member includes a plurality of protective fences, and the plurality of protective fences are spaced and evenly arranged along the circumference of the output shaft.

6. The water supply pump according to claim 5, characterized in that: The protection component also includes: A connecting piece is used to connect a plurality of the guardrails.

7. The water supply pump according to claim 6, characterized in that: The connecting member includes a plurality of connecting rods, and two adjacent guardrails are connected by the connecting rods.

8. The water supply pump according to claim 5, characterized in that: The protection component also includes a protection fixing member, which is arranged on the outer wall of the protection member, and the protection member is connected to a side of the cover plate close to the motor.

9. The water supply pump according to claim 8, characterized in that: There are multiple protective fixing members, and the multiple protective fixing members are spaced and evenly arranged along the circumference of the protective member.

10. The water supply pump according to claim 5, characterized in that: The protection component also includes a positioning member, which is arranged at one end of the protection member close to the cover plate. A positioning hole is provided on one side of the cover plate close to the protection member, and the positioning hole cooperates with the positioning member.

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