Centrifugal pump sealing structure convenient to assemble

Abstract

The utility model discloses a centrifugal pump sealing structure convenient to assemble, which comprises a water inlet pipe, a sealing mechanism is arranged on the side face of the water inlet pipe, the sealing mechanism is composed of symmetrically arranged fixing assemblies and a sealing assembly, the symmetrically arranged fixing assemblies are respectively arranged on the outer side of the sealing assembly, and the sealing assembly is arranged on the outer side of the sealing assembly. A conveying pipe is arranged on the side face of the sealing mechanism, the sealing assembly is composed of a protruding block, a groove and a silica gel base, and the groove is formed in the end of the conveying pipe; by means of the designed sealing mechanism, the phenomena that in the using process of an original centrifugal pump, the sealing performance of the connecting position of the centrifugal pump and the conveying pipe is not enough, and the assembling efficiency of the centrifugal pump and the conveying pipe is not high are improved, the sealing performance of the centrifugal pump during liquid conveying is ensured by arranging the sealing mechanism at the connecting position of the water inlet pipe and the conveying pipe, and in the assembling process of the water inlet pipe and the conveying pipe, the assembling efficiency is improved. And the conveying pipe does not need to be supported by hands, subsequent bolt penetration is facilitated, and the connecting convenience of the conveying pipe and the bolt is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal pumps, and in particular relates to a centrifugal pump sealing structure which is convenient to assemble. Background Art

[0002] A centrifugal pump is a pump that transports liquid by the centrifugal force generated by the rotation of the impeller.

[0003] In the use of the existing centrifugal pump, when the water inlet pipe and the delivery pipe are assembled, the end of the delivery pipe is fitted with the end of the water inlet pipe, and the position of the delivery pipe is fixed by lifting the delivery pipe. After the end of the delivery pipe is fitted with the end of the water inlet pipe, the position is fixed, and then the subsequent bolt penetration operation is performed. Since there is no sealing structure at the connection between the two, there is a phenomenon of insufficient sealing after the liquid is transported, and during the assembly process of the two, the delivery pipe needs to be lifted by one hand, resulting in the inability to operate with both hands synchronously during the subsequent bolt penetration process, which affects the assembly efficiency. For this reason, the utility model proposes a centrifugal pump sealing structure that is easy to assemble. Utility Model Content

[0004] The utility model aims to provide a centrifugal pump sealing structure that is easy to assemble, so as to solve the problems of insufficient sealing and low assembly efficiency during the assembly process of the centrifugal pump proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal pump sealing structure that is easy to assemble, including a water inlet pipe, a sealing mechanism is arranged on the side of the water inlet pipe, and the sealing mechanism is composed of symmetrically arranged fixing components and sealing components, the symmetrically arranged fixing components are respectively arranged on the outside of the sealing components, and a delivery pipe is arranged on the side of the sealing mechanism.

[0006] Preferably, the sealing assembly consists of a protrusion, a groove, and a silicone seat, the groove is opened at the end of the delivery pipe, the protrusion is fixed to the end of the water inlet pipe, and the silicone seat is fixed to the inner wall of the groove.

[0007] Preferably, the cross section of the end of the protrusion is a circular structure.

[0008] Preferably, the fixing assembly is composed of a card block and a card slot, the card slot is opened at the end of the delivery pipe, the card block is fixed to the end of the water inlet pipe, and the end of the card block is inserted into the inner side of the card slot.

[0009] Preferably, the end of the block is in an arc-shaped structure.

[0010] Preferably, the pump body is composed of a water outlet pipe, a pump seat, and a water inlet pipe. The water outlet pipe is arranged on one side of the pump seat, and the water inlet pipe is arranged on the other side of the pump seat. An impeller is arranged inside the pump seat, and a connecting seat is arranged at the top of the pump body, and a motor is arranged at the top of the connecting seat.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The designed sealing mechanism is used to improve the problem that the sealing of the connection between the centrifugal pump and the delivery pipe is insufficient and the assembly efficiency of the two is low during the use of the original centrifugal pump. A sealing mechanism is set at the connection between the water inlet pipe and the delivery pipe to ensure the sealing of the centrifugal pump when transporting liquid. During the assembly of the water inlet pipe and the delivery pipe, there is no need to lift the delivery pipe by hand, which facilitates the subsequent penetration of bolts and increases the convenience of connecting the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged area of ​​the A part;

[0015] Figure 3 It is a cross-sectional schematic diagram of the connection between the water inlet pipe and the delivery pipe of the utility model;

[0016] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the B region in FIG.

[0017] In the figure: 1. motor; 2. connecting seat; 3. pump body; 31. water outlet pipe; 32. pump seat; 33. water inlet pipe; 331. fixing assembly; 3311. block; 3312. slot; 332. sealing assembly; 3321. protrusion; 3322. groove; 3323. silicone seat; 34. delivery pipe. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figures 1 to 4The utility model provides a technical solution: a centrifugal pump sealing structure that is easy to assemble, including a water inlet pipe 33, a sealing mechanism is arranged on the side of the water inlet pipe 33, the sealing mechanism is composed of a symmetrically arranged fixing component 331 and a sealing component 332, the symmetrically arranged fixing components 331 are respectively arranged on the outside of the sealing component 332, a delivery pipe 34 is arranged on the side of the sealing mechanism, the sealing component 332 is composed of a convex block 3321, a groove 3322, and a silicone seat 3323, the groove 3322 is opened at the end of the delivery pipe 34, the convex block 3321 is fixed to the end of the water inlet pipe 33, the silicone seat 3323 is fixed to the inner wall of the groove 3322, the cross section of the end of the convex block 3321 is a circular structure, and the sealing structure is designed The invention relates to a mechanism to improve the problem that the sealing of the connection between the centrifugal pump and the delivery pipe 34 is not sufficient and the assembly efficiency of the two is not high during the use of the original centrifugal pump. A sealing mechanism is set at the connection between the water inlet pipe 33 and the delivery pipe 34 to ensure the sealing of the centrifugal pump when delivering liquid, and during the assembly of the water inlet pipe 33 and the delivery pipe 34, there is no need to lift the delivery pipe 34 by hand, which is convenient for subsequent bolt penetration and increases the convenience of connecting the two. The pump body 3 is composed of a water outlet pipe 31, a pump seat 32, and a water inlet pipe 33. The water outlet pipe 31 is arranged on one side of the pump seat 32, and the water inlet pipe 33 is arranged on the other side of the pump seat 32. An impeller is arranged inside the pump seat 32, a connecting seat 2 is arranged at the top of the pump body 3, and a motor 1 is arranged at the top of the connecting seat 2.

[0020] In this embodiment, preferably, the fixing component 331 is composed of a block 3311 and a slot 3312. The slot 3312 is opened at the end of the delivery pipe 34, and the block 3311 is fixed to the end of the water inlet pipe 33. The end of the block 3311 is inserted into the inner side of the slot 3312. The end of the block 3311 is in an arc-shaped structure. The connection is formed by the fixing component 331. There is no need to lift the delivery pipe 34 by hand, which facilitates the subsequent penetration of bolts, thereby increasing the convenience of connecting the two.

[0021] The working principle and use process of the utility model are as follows: during the use of the centrifugal pump, when it is necessary to connect the water inlet pipe 33 and the delivery pipe 34 of the centrifugal pump, the end of the delivery pipe 34 is fitted with the end of the water inlet pipe 33. During the fitting process, the clamping block 3311 is simultaneously inserted into the inner side of the clamping groove 3312, and the protrusion 3321 is inserted into the inner side of the groove 3322. The silicone seat 3323 is squeezed by the engagement of the protrusion 3321 and the groove 3322. After the water inlet pipe 33 and the delivery pipe 34 are connected, the sealing of the connection between the two is increased. At this moment, the multiple holes between the water inlet pipe 33 and the delivery pipe 34 are aligned, and then the bolts are inserted into the holes to complete the assembly operation of the water inlet pipe 33 and the delivery pipe 34. During operation, the impeller is rotated to cause centrifugal motion of water.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centrifugal pump sealing structure that is easy to assemble, comprising a water inlet pipe (33), characterized in that: A sealing mechanism is provided on the side of the water inlet pipe (33), and the sealing mechanism is composed of a symmetrically arranged fixing component (331) and a sealing component (332). The symmetrically arranged fixing components (331) are respectively arranged on the outside of the sealing component (332), and a delivery pipe (34) is provided on the side of the sealing mechanism.

2. The centrifugal pump sealing structure that is easy to assemble according to claim 1, characterized in that: The sealing assembly (332) is composed of a protrusion (3321), a groove (3322), and a silicone seat (3323); the groove (3322) is opened at the end of the delivery pipe (34); the protrusion (3321) is fixed to the end of the water inlet pipe (33); and the silicone seat (3323) is fixed to the inner wall of the groove (3322).

3. A centrifugal pump sealing structure that is easy to assemble according to claim 2, characterized in that: The cross section of the end of the protrusion (3321) is a circular structure.

4. The centrifugal pump sealing structure that is easy to assemble according to claim 1 is characterized in that: The fixing assembly (331) is composed of a clamping block (3311) and a clamping groove (3312); the clamping groove (3312) is opened at the end of the delivery pipe (34); the clamping block (3311) is fixed to the end of the water inlet pipe (33); and the end of the clamping block (3311) is clamped into the inner side of the clamping groove (3312).

5. The centrifugal pump sealing structure that is easy to assemble according to claim 4, characterized in that: The end of the block (3311) is in an arc-shaped structure.

6. The centrifugal pump sealing structure that is easy to assemble according to claim 1, characterized in that: The pump body (3) is composed of a water outlet pipe (31), a pump seat (32), and a water inlet pipe (33); the water outlet pipe (31) is arranged on one side of the pump seat (32), and the water inlet pipe (33) is arranged on the other side of the pump seat (32); an impeller is arranged inside the pump seat (32); a connecting seat (2) is arranged at the top end of the pump body (3), and a motor (1) is arranged at the top end of the connecting seat (2).

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