CN220600066U - Centrifugal pump with good sealing performance - Google Patents

Centrifugal pump with good sealing performance Download PDF

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Publication number
CN220600066U
CN220600066U CN202322335516.9U CN202322335516U CN220600066U CN 220600066 U CN220600066 U CN 220600066U CN 202322335516 U CN202322335516 U CN 202322335516U CN 220600066 U CN220600066 U CN 220600066U
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China
Prior art keywords
connecting piece
pump
water
left connecting
right connecting
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Active
Application number
CN202322335516.9U
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Chinese (zh)
Inventor
孙仙友
陈平
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Lvmei Pump Industry Co Ltd
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Lvmei Pump Industry Co Ltd
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Priority to CN202322335516.9U priority Critical patent/CN220600066U/en
Application granted granted Critical
Publication of CN220600066U publication Critical patent/CN220600066U/en
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Abstract

The utility model provides a centrifugal pump with good sealing performance, and belongs to the field of water pumps. The centrifugal pump solves the problems that in the existing centrifugal pump, a pump shell is integrally formed, and when the impeller is damaged by part of impurities contained in liquid, the impeller in the pump shell cannot be quickly replaced or maintained. This centrifugal pump that leakproofness is good, including the water pump main part, water pump main part rear end is provided with actuating mechanism, be provided with impeller subassembly in the water pump main part, the water pump main part comprises left connecting piece, pump case and right connecting piece, left connecting piece and right connecting piece can dismantle respectively and fix the left and right sides that sets up in the pump case, all be provided with sealing between pump case and left connecting piece and the right connecting piece, be provided with a plurality of dead lever on the right connecting piece, all seted up the trompil on pump case and the left connecting piece, set up the inlet channel that is used for intaking and the outlet conduit that is used for out water on the pump case. The utility model has the advantage of good sealing performance.

Description

Centrifugal pump with good sealing performance
Technical Field
The utility model belongs to the field of water pumps, and relates to a centrifugal pump, in particular to a centrifugal pump with good sealing performance.
Background
The centrifugal pump is a pump for conveying liquid by centrifugal force generated when the impeller rotates, and mainly comprises the impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and the like, and is mainly characterized in that: compact structure, wide range of flow lift, uniform flow, stable operation, small vibration, lower maintenance and repair cost, etc.
In the existing centrifugal pump, a pump shell is integrally formed, and when the impeller is damaged by partial impurities contained in liquid in the use process, the impeller in the pump shell cannot be quickly replaced or maintained.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a centrifugal pump which is reasonable in design, simple in structure and good in sealing performance.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a centrifugal pump that leakproofness is good, includes the water pump main part, water pump main part rear end be provided with the actuating mechanism who is used for driving the water pump main part and carries out work, the water pump main part in be provided with impeller subassembly, just impeller subassembly links to each other with actuating mechanism and is driven by actuating mechanism and rotates, its characterized in that, the water pump main part constitute by left connecting piece, pump shell and right connecting piece, left connecting piece and right connecting piece can dismantle the fixed both ends of setting up about the pump shell respectively, left connecting piece pass through fixing bolt fixed mounting on the pump shell, pump shell and left connecting piece and right connecting piece between all be provided with the sealing portion that strengthens the seal, right connecting piece on be provided with a plurality of dead lever, pump shell and left connecting piece on all offer the trompil that supplies the dead lever to wear to establish, the pump shell on offer the inlet channel that is used for intaking and outlet conduit on the coplanar, inlet channel and outlet conduit and all be located the lower tip of pump shell, outlet conduit and water conduit between carry out the portion through strengthening and setting up for an organic whole with the water retaining portion.
In the centrifugal pump with good sealing performance, the sealing part is provided with the positioning hole for the fixing rod to penetrate, the sealing part arranged at the right end of the pump shell is matched with the joint surface of the right connecting part and the pump shell, the sealing part arranged at the right end of the pump shell is also provided with the fixing part for reinforcing the sealing performance of the connecting part and the pump shell, the right connecting part is provided with the step part, and the section of the fixing part is in a Z-shaped structure.
In the centrifugal pump with good sealing performance, the number of the fixing rods is six, the number of the holes is the same as that of the fixing rods, and the fixing rods are fixed at the rear end of the left connecting piece through nuts in a threaded mode.
Compared with the prior art, the centrifugal pump with good sealing property is convenient for maintaining or replacing the impeller and other parts in the pump shell through the left connecting piece, the right connecting piece and the pump shell which are arranged separately, the service life of the product is prolonged, and the right sealing piece arranged at the right connecting piece is arranged in a plurality of bending structures, so that the risk of water leakage between the right connecting piece and the pump shell is avoided, and the sealing property of the centrifugal pump is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the structure of the pump casing in the present utility model.
In the figure, 1, a water pump main body; 2. an impeller assembly; 3. a left connecting piece; 4. a pump housing; 5. a right connecting piece; 6. a sealing part; 7. a fixed rod; 8. a water blocking part; 9. a fixing part; 10. a step portion; 11. a water inlet pipe; 12. and a water outlet pipeline.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the centrifugal pump with good sealing performance comprises a water pump main body 1, wherein a driving mechanism for driving the water pump main body 1 to work is arranged at the rear end of the water pump main body 1, an impeller assembly 2 is arranged in the water pump main body 1, the impeller assembly 2 is connected with the driving mechanism and is driven by the driving mechanism to rotate, the water pump main body 1 consists of a left connecting piece 3, a pump shell 4 and a right connecting piece 5, the left connecting piece 3 and the right connecting piece 5 are respectively and detachably and fixedly arranged at the left end and the right end of the pump shell 4, the left connecting piece 3 is fixedly arranged on the pump shell 4 through fixing bolts, sealing parts 6 for reinforcing sealing are respectively arranged between the pump shell 4 and the left connecting piece 3 and the right connecting piece 5, a plurality of fixing rods 7 are arranged on the right connecting piece 5, the pump shell 4 and the left connecting piece 3 are provided with holes for the fixing rod 7 to pass through, when in installation, the pump shell 4 and the left connecting piece 3 are positioned, then the fixing rod 7 on the right connecting piece 5 passes through the holes on the pump shell 4 and the left connecting piece 3, and the sealing pieces arranged left and right are respectively arranged between the left connecting piece 3 and the pump shell 4 and between the right connecting piece 5 and the pump shell 4, so that the integral tightness is enhanced, when the impeller is blocked by impurities in liquid, the inside of the impeller can be replaced or maintained by disassembling the right connecting piece 5, the pump shell 4 is provided with a water inlet pipeline 11 for water inlet and a water outlet pipeline 12 for water outlet, the water inlet pipeline 11 and the water outlet pipeline 12 are arranged on the same plane and are positioned at the lower end part of the pump shell 4, the water inlet pipeline 11 and the water outlet pipeline 12 are separated by a water blocking part 8, the water retaining part 8 and the pump shell 4 are integrally formed.
Further, the sealing part 6 is provided with a positioning hole through which the fixing rod 7 passes, the sealing part 6 arranged at the right end of the pump shell 4 is matched with the joint surface of the right connecting part and the pump shell 4, the sealing part 6 arranged at the right end of the pump shell 4 is also provided with a fixing part 9 for enhancing the tightness between the connecting part and the pump shell 4, the right connecting part is provided with a step part 10, and the section of the fixing part 9 is in a Z-shaped structure. The inner end of the fixing part 9 is matched with the inner wall of the pump shell 4, and the outer end of the fixing part 9 is matched with the inner end surface of the right connecting piece 5, so that the tightness of the utility model is greatly improved.
Further, the number of the fixing rods 7 is six, and the number of the holes is the same as that of the fixing rods 7, and the fixing rods are fixed at the rear end of the left connecting piece 3 through nuts in a threaded manner.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the water pump body 1, the impeller assembly 2, the left connector 3, the pump housing 4, the right connector 5, the sealing portion 6, the fixing rod 7, the water blocking portion 8, the fixing portion 9, the stepped portion 10, the water inlet pipe 11, the water outlet pipe 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (3)

1. The utility model provides a centrifugal pump that leakproofness is good, includes water pump body (1), water pump body (1) rear end be provided with the actuating mechanism who is used for driving water pump body (1) and carries out work, water pump body (1) in be provided with impeller subassembly (2), just impeller subassembly (2) link to each other with actuating mechanism and are driven by actuating mechanism and rotate, its characterized in that, water pump body (1) constitute by left connecting piece (3), pump case (4) and right connecting piece (5), left connecting piece (3) and right connecting piece (5) can dismantle respectively and fix the left and right ends that set up in pump case (4), left connecting piece (3) pass through fixing bolt fixed mounting on pump case (4), pump case (4) and left connecting piece (3) and right connecting piece (5) between all be provided with the sealing part (6) that strengthen the seal, right connecting piece (5) on be provided with a plurality of dead lever (7), (4) and left connecting piece (3) on offer on the pump case (3) and 7) and set up on pump case (4) and water inlet channel (11) and outlet pipe (11) that are used for setting up on pump case (11) and water outlet pipe, the water inlet pipeline (11) and the water outlet pipeline (12) are separated by a water retaining part (8), and the water retaining part (8) and the pump shell (4) are integrally formed.
2. The centrifugal pump with good sealing performance according to claim 1, wherein the sealing part (6) is provided with a positioning hole for the fixing rod (7) to penetrate, the sealing part (6) arranged at the right end of the pump shell (4) is matched with the right connecting part and the joint surface of the pump shell (4), the sealing part (6) arranged at the right end of the pump shell (4) is further provided with a fixing part (9) for reinforcing the sealing performance between the connecting part and the pump shell (4), the right connecting part is provided with a step part (10), and the section of the fixing part (9) is in a Z-shaped structure.
3. The centrifugal pump with good sealing performance according to claim 1, wherein the number of the fixing rods (7) is six, the number of the holes is the same as the number of the fixing rods (7), and the fixing rods are screwed at the rear end of the left connecting piece (3) through nuts.
CN202322335516.9U 2023-08-29 2023-08-29 Centrifugal pump with good sealing performance Active CN220600066U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322335516.9U CN220600066U (en) 2023-08-29 2023-08-29 Centrifugal pump with good sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322335516.9U CN220600066U (en) 2023-08-29 2023-08-29 Centrifugal pump with good sealing performance

Publications (1)

Publication Number Publication Date
CN220600066U true CN220600066U (en) 2024-03-15

Family

ID=90174829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322335516.9U Active CN220600066U (en) 2023-08-29 2023-08-29 Centrifugal pump with good sealing performance

Country Status (1)

Country Link
CN (1) CN220600066U (en)

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