CN214007611U

CN214007611U - Centrifugal water pump case seal structure

Info

Publication number: CN214007611U
Application number: CN202023256662.5U
Authority: CN
Inventors: 黄海兵
Original assignee: Jiangsu Slater Water Pump Co ltd
Current assignee: Jiangsu Slater Water Pump Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-20
Anticipated expiration: 2030-12-29

Abstract

The application discloses centrifugal water pump case seal structure, which comprises a housin, the casing outer wall bottom left and right sides is fixed connection buffer beam top respectively, two the buffer beam bottom slides respectively and cup joints at cavity post inner chamber, two cavity post bottom is fixed connection base top, two respectively cavity post inner chamber bottom fixed connection spring bottom, two the spring top is fixed connection buffer beam bottom respectively, two the spring slides respectively and cup joints at cavity post inner chamber. Cup joint at the go-between inner chamber through the thread washer screw thread, through go-between fixed connection elastic rubber circle inner chamber, a plurality of lugs of elastic rubber circle fixed connection, the lug difference joint is in the draw-in groove, rethread first fixing bolt fixed connection can be with water sucking mouth outer wall and pump cover sealing connection, avoid pressure to change, simultaneously through constantly rotating second fixing bolt, second fixing bolt outwards stretches out in the pump cover, drive the sealing washer and support tight recess inner wall, prevent that the clearance of sealing washer and recess from leaking.

Description

Centrifugal water pump case seal structure

Technical Field

The application relates to a sealing structure, in particular to a centrifugal water pump casing sealing structure.

Background

The Centrifugal water pump (Centrifugal pump) is called Centrifugal pump for short, also called Centrifugal water pump. The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates. Before the water pump is started, the pump shell and the water suction pipe are filled with water, and then the motor is started, so that the pump shaft drives the impeller and the water to rotate at a high speed, and the water is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

The existing sealing structure has poor sealing effect at the joint of the water suction port and the pump cover, can not be detached for maintenance, has poor sealing effect on the connection of the water baffle and the pump cover, and has no buffer protection on the shell. Therefore, the centrifugal water pump casing sealing structure is provided for solving the problems.

Disclosure of Invention

The centrifugal water pump shell sealing structure comprises a shell, wherein the left side and the right side of the bottom end of the outer wall of the shell are respectively fixedly connected with the top ends of buffer rods, the bottom ends of the two buffer rods are respectively sleeved in an inner cavity of a cavity column in a sliding manner, the bottom ends of the two cavity columns are respectively fixedly connected with the top end of a base, the bottom ends of the inner cavities of the two cavity columns are fixedly connected with the bottom ends of springs, the top ends of the two springs are respectively fixedly connected with the bottom ends of the buffer rods, the two, the right side wall of the shell is fixedly connected with the left end of a first sealing gasket, the right end of the first sealing gasket is fixedly connected with the left side wall of the pump cover, the center of the right side wall of the shell is fixedly connected with one end of a pump shaft, the other end of the pump shaft is fixedly connected with one end of an impeller, the other end of the impeller is fixedly connected with one end of a water suction port, the water suction port is communicated with and penetrates through the center of the side wall of the right side of the pump cover, and the outer wall of the pump shaft is fixedly connected with a mechanical seal.

Furthermore, the outer wall of the pump shaft is sleeved with the center of a water baffle, and the side wall of the right side of the water baffle is fixedly connected with a second sealing gasket through a third fixing bolt.

Furthermore, the top end and the bottom end of the outer wall of the pump cover are respectively in threaded sleeve connection with the outer wall of a second fixing bolt, the top end of the second fixing bolt is located outside the pump cover, the bottom end of the second fixing bolt is rotatably connected with the center of the top end and the bottom end of the outer wall of the sealing ring, and the inner wall of the sealing ring is fixedly sleeved on the outer wall of the water baffle.

Further, the outer wall of the water suction port is fixedly sleeved with an inner cavity of a threaded pad, and the outer wall of the threaded pad is in threaded sleeve connection with the inner cavity of the connecting ring.

Furthermore, an elastic rubber ring is embedded in the center of the side wall of the right side of the pump cover, the inner cavity of the elastic rubber ring is fixedly connected with the outer wall of the connecting ring, and the outer wall of the elastic rubber ring is uniformly and fixedly connected with a plurality of clamping blocks.

Further, a plurality of clamping grooves are embedded in the center of the side wall of the right side of the pump cover and are respectively clamped with clamping blocks, and the clamping blocks are respectively fixedly connected with the side wall of the right side of the pump cover through first fixing bolts.

The beneficial effect of this application is: the application provides centrifugal water pump case seal structure.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to an embodiment of the present application.

In the figure: 1. the pump comprises a shell, 2, a pump shaft, 3, a first sealing gasket, 4, a pump cover, 5, a clamping groove, 6, a first fixing bolt, 7, a clamping block, 8, a water suction port, 9, a threaded gasket, 10, a connecting ring, 11, an impeller, 12, a second sealing gasket, 13, a water baffle, 14, a mechanical seal, 15, a base, 16, a cavity column, 17, a spring, 18, a buffer rod, 19, a second fixing bolt, 20, a sealing ring, 21, a groove, 22, a third fixing bolt, 23 and an elastic rubber ring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, the centrifugal water pump casing sealing structure includes a casing 1, the left and right sides of the bottom end of the outer wall of the casing 1 are respectively and fixedly connected with the top ends of buffer rods 18, the bottom ends of the two buffer rods 18 are respectively and slidably sleeved in the inner cavities of the cavity posts 16, the bottom ends of the two cavity posts 16 are respectively and fixedly connected with the top ends of bases 15, the bottom ends of the inner cavities of the two cavity posts 16 are respectively and fixedly connected with the bottom ends of springs 17, the top ends of the two springs 17 are respectively and fixedly connected with the bottom ends of the buffer rods 18, the two springs 17 are respectively and slidably sleeved in the inner cavities of the cavity posts 16, the right side wall of the casing 1 is fixedly connected with the left end of a first sealing gasket 3, the right end of the first sealing gasket 3 is fixedly connected with the left side wall of a pump cover 4, the center of the right side wall of the casing 1 is fixedly connected with one end of a pump shaft 2, the other end of the pump shaft 2 is fixedly connected with one end of an impeller 11, and the other end of the impeller 11 is fixedly connected with one end of a water suction port 8, the water suction port 8 is communicated with and penetrates through the center of the side wall of the right side of the pump cover 4, and the outer wall of the pump shaft 2 is fixedly connected with a mechanical seal 14.

The outer wall of the pump shaft 2 is sleeved with the center of a water baffle 13, the right side wall of the water baffle 13 is fixedly connected with a second sealing gasket 12 through a third fixing bolt 22, the sealing effect of the joint of the water baffle 13 and the pump shaft 2 is increased, the top end and the bottom end of the outer wall of the pump cover 4 are respectively sleeved with the outer wall of a second fixing bolt 19 in a threaded manner, the top end of the second fixing bolt 19 is positioned outside the pump cover 4, the bottom end of the second fixing bolt 19 is rotatably connected with the top end and the bottom end center of the outer wall of a sealing ring 20, the inner wall of the sealing ring 20 is fixedly sleeved on the outer wall of the water baffle 13 to seal and protect the water baffle 13, the outer wall of the water suction port 8 is fixedly sleeved with an inner cavity of a threaded gasket 9, the outer wall of the threaded gasket 9 is in a threaded manner and is sleeved on the inner cavity of a connecting ring 10 to facilitate the sealing connection of the water suction port 8, the center of the right side wall of the connecting ring 4 is embedded with an elastic rubber ring 23, the inner cavity of the connecting ring is fixedly connected with the outer wall of the connecting ring 10, a plurality of fixture blocks 7 of the even fixed connection of elastic rubber circle 23 outer wall increase the sealed effect of water sucking mouth 8 and pump cover 4, a plurality of draw-in grooves 5 have been inlayed to pump cover 4 right side lateral wall center department, and a plurality of draw-in grooves 5 joint fixture block 7 respectively, and a plurality of fixture blocks 7 are respectively through 6 fixed connection pump cover 4 right side lateral walls of first fixing bolt, convenient to detach elastic rubber circle 23 and go-between 10.

When the sealing device is used, electrical components appearing in the sealing device are externally connected with a power supply and a control switch when in use, in order to increase the sealing effect of a pump shell, the inner cavity of a connecting ring 10 is sleeved through threads of a threaded pad 9, the inner cavity of an elastic rubber ring 23 is fixedly connected through the connecting ring 10, the elastic rubber ring 23 is fixedly connected with a plurality of convex blocks, the convex blocks are respectively clamped in clamping grooves 5, the outer wall of a water suction opening 8 can be hermetically connected with a pump cover 4 through a first fixing bolt 6, pressure change is avoided, meanwhile, the second fixing bolt 19 continuously rotates and extends outwards in the pump cover 4 to drive a sealing ring 20 to abut against the inner wall of a groove 21, the water leakage phenomenon generated in the gap between the sealing ring 20 and the groove 21 is prevented, the elastic rubber ring 23 can be separated from the pump cover 4 through unscrewing the first fixing bolt 6, the connecting ring 10 is enabled to be in the same order as the threaded pad 9 through rotating the connecting ring 10, can realize the dismantlement of 4 lateral walls of pump cover, be convenient for observe 4 internal phenomena of pump cover and maintain, slide about the effect of cooperation spring 17 in cavity post 16 through buffer beam 18 simultaneously, can realize the buffering protection to water pump during operation, avoid the inner structure to vibrate impaired.

The application has the advantages that:

1. in order to increase the sealing effect of the pump shell, the pump shell is sleeved in the inner cavity of the connecting ring through a thread of the thread gasket, the inner cavity of the elastic rubber ring is fixedly connected through the connecting ring, the elastic rubber ring is fixedly connected with a plurality of convex blocks, the convex blocks are respectively clamped in the clamping grooves, the outer wall of the water suction port can be connected with the pump cover in a sealing manner through the fixed connection of the first fixing bolt, the pressure change is avoided, meanwhile, the second fixing bolt continuously rotates and extends outwards in the pump cover to drive the sealing ring to tightly abut against the inner wall of the groove, and the water leakage phenomenon generated in the gap between the sealing ring and the groove is prevented;

2. this application is rational in infrastructure, through unscrewing first fixing bolt, can break away from the pump cover with the elastic rubber circle, the rethread rotates the go-between and makes go-between with reason screw pad, can realize the dismantlement of pump cover lateral wall, is convenient for observe the pump cover internal phenomenon and maintains, slides from top to bottom through the buffer beam in the effect of cavity post fit spring simultaneously, can realize the buffer protection to water pump during operation, avoids the inner structure to vibrate impairedly.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Centrifugal pump case seal structure, its characterized in that: comprises a shell (1), the left side and the right side of the bottom end of the outer wall of the shell (1) are respectively fixedly connected with the top ends of buffer rods (18), the bottom ends of the two buffer rods (18) are respectively slidably sleeved in the inner cavity of a cavity column (16), the bottom ends of the two cavity columns (16) are respectively fixedly connected with the top end of a base (15), the bottom ends of the inner cavities of the two cavity columns (16) are fixedly connected with the bottom ends of springs (17), the top ends of the two springs (17) are respectively fixedly connected with the bottom ends of the buffer rods (18), the two springs (17) are respectively slidably sleeved in the inner cavity of the cavity column (16), the right side wall of the shell (1) is fixedly connected with the left end of a first sealing gasket (3), the right end of the first sealing gasket (3) is fixedly connected with the left side wall of a pump cover (4), the center of the right side wall of the shell (1) is fixedly connected with one end of a pump shaft (2), and the other end of the pump shaft (2) is fixedly connected with one end of an impeller (11), the other end of the impeller (11) is fixedly connected with one end of a water suction port (8), the water suction port (8) is communicated with and penetrates through the center of the side wall of the right side of the pump cover (4), and the outer wall of the pump shaft (2) is fixedly connected with a mechanical seal (14).

2. A centrifugal water pump case seal structure according to claim 1, characterized in that: the outer wall of the pump shaft (2) is sleeved with the center of the water baffle (13), and the right side wall of the water baffle (13) is fixedly connected with the second sealing gasket (12) through a third fixing bolt (22).

3. A centrifugal water pump case seal structure according to claim 1, characterized in that: the outer wall of the pump cover (4) is in threaded sleeve connection with the top end and the bottom end of the outer wall of the pump cover (4) through second fixing bolts (19) respectively, the top end of each second fixing bolt (19) is located outside the pump cover (4), the bottom end of each second fixing bolt (19) is rotatably connected with the top end and the bottom center of the outer wall of the sealing ring (20), and the inner wall of the sealing ring (20) is fixedly sleeved on the outer wall of the water baffle (13).

4. A centrifugal water pump case seal structure according to claim 1, characterized in that: the outer wall of the water suction port (8) is fixedly sleeved with the inner cavity of the threaded pad (9), and the outer wall of the threaded pad (9) is in threaded sleeve connection with the inner cavity of the connecting ring (10).

5. A centrifugal water pump case seal structure according to claim 1, characterized in that: pump cover (4) right side lateral wall center department has inlayed elastic rubber circle (23), elastic rubber circle (23) inner chamber fixed connection go-between (10) outer wall, a plurality of fixture blocks (7) of the even fixed connection of elastic rubber circle (23) outer wall.

6. A centrifugal water pump case seal structure according to claim 1, characterized in that: a plurality of clamping grooves (5) are embedded in the center of the right side wall of the pump cover (4), the clamping blocks (7) are clamped in the clamping grooves (5) respectively, and the clamping blocks (7) are fixedly connected with the right side wall of the pump cover (4) through first fixing bolts (6) respectively.