Centrifugal pump with anti-blocking function

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an anti-blocking function, which comprises a pump body assembly and a dredging assembly, the pump body assembly comprises a shell, a water passing shell, a transmission shaft and an impeller, the shell is communicated with the water passing shell, the transmission shaft is rotatably connected in the shell, the transmission shaft is connected with the impeller, and the impeller is positioned in the water passing shell. The dredging assembly comprises a first end cover, a first valve, a second end cover and a second valve, a first opening is formed in the water passing shell, the first end cover is connected to the first opening of the water passing shell, the first valve is arranged on the first end cover, the first valve is communicated with the water passing shell, a second opening is formed in the water passing shell, a second end cover is connected to the second opening of the water passing shell, and the second valve is connected to the second end cover. The water supply device has the advantages that liquid can be conveyed smoothly, the rotating position of the impeller can be cleaned regularly in different directions, and the blocked position can be dredged.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an anti-blocking function. Background Art

[0002] A centrifugal pump is a pump that transports liquids by the centrifugal force generated by the rotation of the impeller. Its basic structure mainly includes an impeller, a pump body (pump casing), a pump shaft, bearings, a sealing ring, and a stuffing box. The working principle of a centrifugal pump is: before starting, the pump casing and the water suction pipe need to be filled with water, and then the motor is started, so that the pump shaft drives the impeller and water to rotate at high speed. When an existing centrifugal pump is running, if there are debris in the water being transmitted, it will enter the transmission part and affect the operation of the impeller. After long-term accumulation, the outer wall and the operation part of the centrifugal pump will be blocked, which is not conducive to the operation of the pump. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a centrifugal pump with an anti-clogging function, which enables liquid to be transmitted more smoothly, is conducive to regularly cleaning the impeller rotating part in different directions, and has the effect of unblocking the blockage.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal pump with anti-clogging function, comprising a pump body component and a dredging component;

[0007] The pump assembly comprises a housing, a water-through shell, a transmission shaft and an impeller. The housing is connected to the water-through shell, the housing is rotatably connected with the transmission shaft, the transmission shaft is connected to the impeller, and the impeller is located inside the water-through shell;

[0008] The dredging component includes end cover one, valve one, end cover two and valve two. An opening one is provided on the water-passing shell, one opening of the water-passing shell is connected to end cover one, end cover one is provided with valve one, valve one is communicated with the water-passing shell, an opening two is provided on the water-passing shell, the second opening of the water-passing shell is connected to end cover two, end cover two is connected with valve two, and valve two is communicated with the water-passing shell.

[0009] Preferably, it also includes a filter assembly, which includes an inlet pipe, a discharge pipe, a valve three and a filter plate. The inlet pipe is connected to the water inlet end of the water-passing shell, and the filter plate is connected to the connection between the inlet pipe and the water-passing shell. The discharge pipe is connected to the inlet pipe, and the filter plate is located in the middle area between the discharge pipe and the water-passing shell. The discharge pipe is installed with a valve three.

[0010] Preferably, the pump body assembly further comprises a delivery pipe, and the water outlet end of the water-passing shell is connected to the delivery pipe.

[0011] Preferably, the dredging component also includes a block, a plurality of blocks are connected to the water-passing shell, the block is connected to an end cover, and a groove corresponding to an end of the end cover is provided on the block.

[0012] Preferably, the filter plate is a perforated steel plate or a mesh.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a centrifugal pump with anti-clogging function, which has the following beneficial effects:

[0015] The centrifugal pump with anti-clogging function can extend the position of the impeller rotation through the transmission of the transmission shaft, so that the driving part can be extended to other places, providing more and better spaces for installing the sealing part, reducing the influence of the water delivery part on the driving part, and effectively shielding the opening one and the opening two through the end cover one protecting the opening one and the end cover two protecting the opening two, so that the liquid can be transmitted more smoothly when it is necessary to transmit the liquid, and through the setting of the valve one and the valve two, water can be transmitted to the inside of the water-passing shell through the valve one and the valve two, and when it is necessary to dredge the debris in the water-passing shell, the cleaning liquid can be regularly introduced into the inside of the water-passing shell, which is conducive to regularly cleaning the parts that need to be dredged in the water-passing shell in different directions, and when the blockage is more serious, water can be introduced into the inside of the water-passing shell through the valve two or the valve one to dredge the blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0018] Figure 3 For this utility model Figure 1 Schematic diagram of the cross-sectional structure at BB in the middle;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 6 For this utility model Figure 5 A schematic diagram of the local enlarged structure at point A in the middle;

[0022] Figure 7 It is a left-side structural schematic diagram of the utility model;

[0023] Figure 8 For this utility model Figure 7Schematic diagram of the cross-sectional structure at AA in the middle.

[0024] Markings in the attached drawings: 1. Shell; 2. Water-passing shell; 3. End cover one; 4. Valve one; 5. End cover two; 6. Valve two; 7. Water inlet pipe; 8. Discharge pipe; 9. Valve three; 10. Filter plate; 11. Delivery pipe; 12. Block; 13. Drive shaft; 14. Impeller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example:

[0027] See also Figure 1-8 , a centrifugal pump with anti-clogging function, including a pump body component and a dredging component.

[0028] The pump body assembly includes a shell 1, a water-through shell 2, a transmission shaft 13 and an impeller 14. The shell 1 is connected to the water-through shell 2. The transmission shaft 13 is rotatably connected inside the shell 1. The transmission shaft 13 is connected to the impeller 14. The impeller 14 is located inside the water-through shell 2.

[0029] The dredging component includes an end cover 1 3, a valve 1 4, an end cover 2 5 and a valve 2 6. An opening 1 is provided on the water-through shell 2, and an opening of the water-through shell 2 is connected to an end cover 1 3. A valve 1 4 is provided on the end cover 1 3. The valve 1 4 is communicated with the water-through shell 2. An opening 2 is provided on the water-through shell 2. The opening 2 of the water-through shell 2 is connected to an end cover 2 5. The end cover 2 5 is connected to a valve 2 6. The valve 2 6 is communicated with the water-through shell 2. A sealing ring for sealing is preferably provided between the end cover 2 5 and the water-through shell 2. The end cover 1 3 and the valve 1 4 are connected by a pipe. The drive shaft 13 can be extended to drive the impeller 14 to rotate, so that the drive can be extended to other places, providing more and better The space at the sealing part can be installed to reduce the influence of the water delivery part on the driving part, and the end cover 1 3 is used to protect the opening 1, and the end cover 2 5 is used to protect the opening 2, which can effectively cover the opening 1 and the opening 2. When liquid needs to be transmitted, the liquid can be transmitted more smoothly, and through the arrangement of valve 1 4 and valve 2 6, water can be transmitted to the inside of the water-passing shell 2 through valve 1 4 and valve 2 6. When it is necessary to dredge the debris inside the water-passing shell 2, the cleaning liquid can be regularly introduced into the water-passing shell 2, which is conducive to regularly cleaning the parts that need to be dredged inside the water-passing shell 2 in different directions, and when the blockage is more serious, water can be introduced into the water-passing shell 2 through valve 2 6 or valve 1 4 to dredge the blockage.

[0030] Reference Figure 7 and 8 This centrifugal pump also includes a filtering component, which includes an inlet pipe 7, a discharge pipe 8, a valve three 9 and a filter plate 10. The inlet pipe 7 is connected to the water inlet end of the water-passing shell 2, and the filter plate 10 is connected to the connection between the inlet pipe 7 and the water-passing shell 2. The discharge pipe 8 is connected to the inlet pipe 7. The filter plate 10 is located in the middle area between the discharge pipe 8 and the water-passing shell 2. The discharge pipe 8 is installed with a valve three 9. Part of the debris is filtered through the filter plate 10 and accumulated in the water inlet pipe 7. The valve three 9 is opened regularly to discharge the debris from the discharge pipe 8 and the valve three 9, thereby providing a better water supply environment, which is conducive to the transmission of the pumped liquid.

[0031] Reference Figure 4 The pump body assembly also includes a delivery pipe 11. The water outlet end of the water-passing shell 2 is connected with the delivery pipe 11. Through the arrangement of the delivery pipe 11, it is convenient to extend the water outlet for transmission. The delivery pipe 11 and the valve 2 6 can be connected through a pipeline so that the liquid can circulate through the valve 2 6 and the delivery pipe 11, which is beneficial to flushing the debris inside the water-passing shell 2.

[0032] Reference Figure 6 The dredging component also includes a block 12, a plurality of blocks 12 are connected to the water-passing shell 2, the block 12 is connected to the end cover 3, a groove corresponding to the end of the end cover 3 is provided on the block 12, the delivery pipe 11 and the block 12 are preferably connected by screws, the block 12 and the water-passing shell 2 are preferably connected by screws, and a sealing ring for sealing is preferably provided between the end cover 3 and the water-passing shell 2. The setting of the groove on the block 12 is conducive to limiting the position of the end cover 3 and improving the positioning effect of the end cover 3. The connection method between the water-passing shell 2, the delivery pipe 11 and the block 12 is more convenient for disassembling the end cover 3.

[0033] Reference Figure 7 The filter plate 10 is a steel plate or a mesh with holes. The filter plate 10 is made of steel material and has a plurality of holes for transmitting water. The filter plate 10 is in a plate or mesh shape, so that the transmitted liquid can be filtered through the filter plate 10, so that the debris can be retained in the water inlet pipe 7. The filtering part of the steel plate and the mesh improves the strength of the support part, which is conducive to providing better impact resistance.

[0034] When in use, the liquid is transferred to the inside of the water-passing shell 2 through the water inlet pipe 7, the valve three 9 is opened regularly to discharge the impurities inside the water inlet pipe 7, and the liquid used for dredging is regularly transferred to the inside of the water-passing shell 2 through the valve one 4 and the valve two 6 to dredge the impurities accumulated inside the water-passing shell 2.

[0035] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0036] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0037] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0038] It should be noted that, in this article, relational terms such as "first" and "second" 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A centrifugal pump with anti-clogging function, characterized in that: Including pump body assembly and dredging assembly; The pump body assembly comprises a casing (1), a water-passing casing (2), a transmission shaft (13) and an impeller (14); the casing (1) is connected to the water-passing casing (2); the casing (1) is rotatably connected to the transmission shaft (13); the transmission shaft (13) is connected to the impeller (14); and the impeller (14) is located inside the water-passing casing (2); The dredging component comprises an end cover (3), a valve (4), an end cover (5) and a valve (6); an opening (1) is provided on the water-passing shell (2); an opening of the water-passing shell (2) is connected to the end cover (3); a valve (4) is provided on the end cover (3); the valve (4) is communicated with the water-passing shell (2); an opening (2) is provided on the water-passing shell (2); an opening of the water-passing shell (2) is connected to the end cover (5); the end cover (5) is connected to the valve (6); the valve (6) is communicated with the water-passing shell (2).

2. A centrifugal pump with anti-clogging function according to claim 1, characterized in that: The invention also comprises a filter assembly, wherein the filter assembly comprises a water inlet pipe (7), a discharge pipe (8), a valve three (9) and a filter plate (10); the water inlet pipe (7) is connected to the water inlet end of the water-passing shell (2); the filter plate (10) is connected to the connection point between the water inlet pipe (7) and the water-passing shell (2); the discharge pipe (8) is connected to the water inlet pipe (7); the filter plate (10) is located in the middle area between the discharge pipe (8) and the water-passing shell (2); and the valve three (9) is installed on the discharge pipe (8).

3. A centrifugal pump with anti-clogging function according to claim 1, characterized in that: The pump body assembly also includes a delivery pipe (11), and the water outlet end of the water-passing shell (2) is connected to the delivery pipe (11).

4. A centrifugal pump with anti-clogging function according to claim 1, characterized in that: The dredging assembly further comprises a block (12), a plurality of blocks (12) are connected to the water-passing shell (2), the block (12) is connected to the end cover (3), and a groove corresponding to the end of the end cover (3) is provided on the block (12).

5. A centrifugal pump with anti-clogging function according to claim 2, characterized in that: The filter plate (10) is a steel plate with holes or a mesh.

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