CN213870316U

CN213870316U - Centrifugal pump with sealing structure

Info

Publication number: CN213870316U
Application number: CN202022450478.8U
Authority: CN
Inventors: 黄钧
Original assignee: TAIZHOU KANGQIAO ELECTROMECHANICAL EQUIPMENT CO Ltd
Current assignee: TAIZHOU KANGQIAO ELECTROMECHANICAL EQUIPMENT CO Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-03
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a centrifugal pump with seal structure, including mount pad, motor, the pump body, outlet pipe and inlet tube, surface one end fixed mounting has the motor on the mount pad, the power take off fixedly connected with pump body of motor, pump body inner chamber rotates and installs the worm wheel, worm wheel one side fixedly connected with transmission shaft, and the transmission shaft other end is fixed with the power take off of motor and links to each other, pump body opposite side surface integrated into one piece has the seal receptacle. The utility model discloses a supporting spring supports the backup pad, thereby can make even transmission of supporting spring's holding power to the sealing pad on, expand through sealed the pad, thereby can rise tightly with water piping connection department inlet tube and outlet pipe, will effectively promote the sealed effect to inlet tube and outlet pipe and water piping connection department, the seal receptacle both ends mutually support through a sealing ring and No. two sealing rings, can seal the transmission shaft pump body coupling department, can effectively promote the sealed effect to the pump body.

Description

Centrifugal pump with sealing structure

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a centrifugal pump with seal structure.

Background

The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. The centrifugal pump has various forms such as vertical type, horizontal type, single stage, multistage, single suction, double suction, self suction and the like. The vertical centrifugal pump is called as submerged pump for short, and the molten salt submerged pump is characterized by that the centrifugal pump has several forms of vertical type, horizontal type, single-stage, multi-stage, single-suction, double-suction and self-suction, etc. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

However, the existing centrifugal pump has the following disadvantages in the use process:

the sealing effect of the existing centrifugal pump is poor in the using process, the connecting part of the pump body and the transmission shaft, the connecting parts of the water inlet pipe, the water outlet pipe and the pipeline are prone to leakage, the connecting parts of the water inlet pipe, the water outlet pipe and the pipeline are prone to loosening, and the sealing effect of the centrifugal pump is greatly reduced in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal pump with seal structure to it is not good to provide current centrifugal pump sealed effect in the use in solving above-mentioned background art, the pump body and transmission shaft junction, and inlet tube and outlet pipe and pipe connection department take place easily to leak, and inlet tube and outlet pipe and pipe connection department take place easily not hard up, the problem of the sealed effect of greatly reduced centrifugal pump when using.

In order to solve the technical problem, the utility model provides a following technical scheme: a centrifugal pump with a sealing structure comprises a mounting seat, a motor, a pump body, a water outlet pipe and a water inlet pipe, wherein one end of the upper surface of the mounting seat is fixedly provided with the motor, the power output of the motor is fixedly connected with the pump body, the inner cavity of the pump body is rotatably provided with a worm wheel, one side of the worm wheel is fixedly connected with a transmission shaft, the other end of the transmission shaft is fixedly connected with the power output end of the motor, the other side surface of the pump body is integrally formed with a sealing seat, the middle part of the inner cavity of the sealing seat is fixedly provided with a bearing, one end of the sealing seat is fixedly embedded with a first sealing ring, the other end of the inner cavity of the sealing seat is fixedly embedded with a second sealing ring, one end of the transmission shaft penetrates through the first sealing ring, the second sealing ring and the bearing, the motor and the pump body are fixedly arranged on the mounting seat, the mounting seat is used for fixing the sealing ring, and the stable effect of the motor and the pump body in working can be effectively improved, the water inlet pipe and the water outlet pipe are respectively connected with the water pipe, the power output end of the motor drives the worm wheel in the pump body through the transmission shaft, so that water liquid can be pumped under the action of centrifugal force, the joints of the water inlet pipe and the water outlet pipe with the water pipe are provided with the sealing gaskets, the sealing gaskets are extruded in the installation process, so that the sealing effect of the joints can be effectively improved, when the joints of the water inlet pipe and the water outlet pipe with the water pipe are loosened under the action of vibration, the supporting plate is supported through the supporting spring, so that the supporting force of the supporting spring can be uniformly transmitted to the sealing gaskets, the sealing gaskets are expanded, so that the joints of the water inlet pipe and the water outlet pipe with the water pipe can be tensioned, the sealing effect of the joints of the water inlet pipe and the water outlet pipe with the water pipe can be effectively improved, the transmission shaft is inserted in the sealing seat, the middle part of the inner cavity of the sealing seat is limited through the bearing, meanwhile, the two ends of the sealing ring are mutually matched through the first sealing ring and the second sealing ring, so that the connection part of the transmission shaft and the pump body can be sealed, and the sealing effect on the pump body can be effectively improved.

Furthermore, the pump body comprises a first shell, a second shell, a connecting plate and a fixing bolt, and the first shell, the second shell, the connecting plate and the fixing bolt form the pump body.

Further, a casing is located No. two casing one sides, a casing and No. two casing one side homogeneous body shaping have the connecting plate, connecting plate lateral wall screw thread through connection has fixing bolt, and the pump body comprises a casing and No. two casings, can carry out quick installation and dismantlement to a casing and No. two casings through fixing bolt and connecting plate to the pump body is overhauld in the facilitate use.

Further, the fixed outlet pipe that is provided with in pump body top, the inlet tube has been seted up to pump body one side is fixed, and outlet pipe and inlet tube can be connected the pipeline.

Furthermore, the surfaces of the water outlet pipe and the water inlet pipe are fixedly provided with sealing gaskets, and the sealing gaskets can improve the sealing effect of the joint of the water outlet pipe and the pipeline.

Further, the equal fixed mounting in sealed pad inner chamber has supporting spring, and supporting spring is provided with the multiunit altogether, the equal fixedly connected with backup pad in supporting spring both ends supports the backup pad through supporting spring to can make even transmission of supporting force of supporting spring to the sealing pad, expand through sealed the pad, thereby can rise to inlet tube and outlet pipe and water piping connection department and tightly, will effectively promote the sealed effect to inlet tube and outlet pipe and water piping connection department.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses the sealed pad is installed with water piping connection department to inlet tube and outlet pipe, extrude sealed pad in the installation, thereby can effectively promote the sealed effect of junction, when inlet tube and outlet pipe and water piping connection are in the effect of vibration under take place not hard up, support the backup pad through supporting spring, thereby can make even transmission of supporting force of supporting spring to the sealing pad, expand through sealed the pad, thereby can rise tightly with water piping connection department inlet tube and outlet pipe, will effectively promote the sealed effect to inlet tube and outlet pipe and water piping connection department.

2. The utility model discloses the transmission shaft is pegged graft in the seal receptacle, and seal receptacle inner chamber middle part is carried on spacingly through the bearing, and both ends mutually support through a sealing ring and No. two sealing rings simultaneously, can seal the transmission shaft pump body coupling department, can effectively promote the sealed effect to the pump body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the pump body of the present invention;

FIG. 3 is a schematic view of the sealing gasket of the present invention;

FIG. 4 is a schematic structural view of the sealing seat of the present invention;

in the figure: 1. a mounting seat; 101. a motor; 102. a pump body; 103. a water outlet pipe; 104. a water inlet pipe; 2. a first shell; 201. a second shell; 202. a connecting plate; 203. fixing the bolt; 3. a worm gear; 301. a sealing seat; 302. a first sealing ring; 303. a bearing; 304. a second sealing ring; 305. a drive shaft; 4. a gasket; 401. a support spring; 402. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a centrifugal pump with a sealing structure comprises a mounting seat 1, a motor 101, a pump body 102, a water outlet pipe 103 and a water inlet pipe 104, wherein the motor 101 is fixedly mounted at one end of the upper surface of the mounting seat 1, the power output of the motor 101 is fixedly connected with the pump body 102, a worm wheel 3 is rotatably mounted in the inner cavity of the pump body 102, a transmission shaft 305 is fixedly connected to one side of the worm wheel 3, the other end of the transmission shaft 305 is fixedly connected with the power output end of the motor 101, a sealing seat 301 is integrally formed on the surface of the other side of the pump body 102, a bearing 303 is fixedly mounted in the middle of the inner cavity of the sealing seat 301, a first sealing ring 302 is fixedly inlaid at one end of the sealing seat 301, a second sealing ring 304 is fixedly inlaid at the other end of the inner cavity of the sealing seat 301, one end of the transmission shaft 305 penetrates through the first sealing ring 302, the second sealing ring 304 and the bearing 303, and the motor 101 and the pump body 102 are both fixedly mounted on the mounting seat 1, the water inlet pipe 104 and the water outlet pipe 103 are respectively connected with a water pipe, the power output end of the motor 101 drives a worm wheel 3 in the pump body 102 through a transmission shaft 305, so that water can be pumped under the action of centrifugal force, sealing gaskets 4 are arranged at the joints of the water inlet pipe 104 and the water outlet pipe 103 and the water pipe, the sealing gaskets 4 are extruded in the installation process, so that the sealing effect of the joints can be effectively improved, when the joints of the water inlet pipe 104 and the water outlet pipe 103 and the water pipe are loosened under the action of vibration, the supporting plate 403 is supported through the supporting spring 401, so that the supporting force of the supporting spring 401 can be uniformly transmitted to the sealing gaskets 4, the supporting plate is expanded through the sealing gaskets 4, so that the joints of the water inlet pipe 104 and the water outlet pipe 103 and the water pipe can be tensioned, will effectively promote the sealed effect to inlet tube 104 and outlet pipe 103 and water piping connection department, and transmission shaft 305 pegs graft in seal receptacle 301, and seal receptacle 301 inner chamber middle part is spacing through bearing 303, and both ends are mutually supported through a sealing ring 302 and No. two sealing rings 304 simultaneously, can seal the transmission shaft 305 pump body 102 junction, can effectively promote the sealed effect to the pump body 102.

The pump body 102 is composed of a first shell 2, a second shell 201, a connecting plate 202 and a fixing bolt 203, and the first shell 2, the second shell 201, the connecting plate 202 and the fixing bolt 203 form the pump body 102.

Casing 2 is located casing 201 one side No. two, a casing 2 and casing 201 one side homogeneous body shaping have connecting plate 202 No. two, connecting plate 202 lateral wall screw thread through connection has fixing bolt 203, and the pump body 102 comprises casing 2 and casing 201 No. two, can carry out quick installation and dismantlement to casing 2 and casing 201 No. two through fixing bolt 203 and connecting plate 202 to the facilitate use overhauls the pump body 102.

The pump body 102 is fixedly provided with a water outlet pipe 103 at the top, a water inlet pipe 104 is fixedly arranged on one side of the pump body 102, and the water outlet pipe 103 and the water inlet pipe 104 can be connected with a pipeline.

The surfaces of the water outlet pipe 103 and the water inlet pipe 104 are both fixedly provided with sealing gaskets 4, and the sealing gaskets 4 can improve the sealing effect of the connection part of the water outlet pipe 103 and the water inlet pipe 104 and the pipeline.

The equal fixed mounting in 4 inner chambers of sealed pad has supporting spring 401, and supporting spring 401 is provided with the multiunit altogether, the equal fixedly connected with backup pad 402 in supporting spring 401 both ends supports backup pad 403 through supporting spring 401 to can make the even transmission of supporting force of supporting spring 401 to sealed pad 4, expand through sealed pad 4, thereby can rise to inlet tube 104 and outlet pipe 103 and water piping connection department, will effectively promote the sealed effect to inlet tube 104 and outlet pipe 103 and water piping connection department.

The utility model discloses a theory of operation: the motor 101 and the pump body 102 are both fixedly arranged on the mounting seat 1 and are fixed through the mounting seat 1, the stabilizing effect of the motor 101 and the pump body 102 during working can be effectively improved, the water inlet pipe 104 and the water outlet pipe 103 are respectively connected with a water pipe, the power output end of the motor 101 drives the worm wheel 3 in the pump body 102 through the transmission shaft 305, so that water can be pumped under the action of centrifugal force, the sealing gaskets 4 are arranged at the joints of the water inlet pipe 104 and the water outlet pipe 103 and the water pipe, the sealing gaskets 4 are extruded in the installation process, so that the sealing effect of the joints can be effectively improved, when the joints of the water inlet pipe 104 and the water outlet pipe 103 and the water pipe are loosened under the action of vibration, the supporting plate is supported through the supporting spring 401, so that the supporting force of the supporting spring 401 is uniformly transmitted to the sealing gaskets 4 and is expanded through the sealing gaskets 4, thereby can rise to inlet tube 104 and outlet pipe 103 and water piping connection department, will effectively promote the sealed effect to inlet tube 104 and outlet pipe 103 and water piping connection department, the pump body 102 comprises casing 2 and No. two casings 201, can carry out quick installation and dismantlement to casing 2 and No. two casings 201 through fixing bolt 203 and connecting plate 202, thereby facilitate the use overhauls the pump body 102, and transmission shaft 305 pegs graft in seal receptacle 301, seal receptacle 301 inner chamber middle part is spacing through bearing 303, both ends are mutually supported through a sealing ring 302 and No. two sealing rings 304 simultaneously, can seal the transmission shaft 305 pump body 102 junction, can effectively promote the sealed effect to the pump body 102.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a centrifugal pump with seal structure, includes mount pad (1), motor (101), the pump body (102), outlet pipe (103) and inlet tube (104), mount pad (1) upper surface one end fixed mounting has motor (101), the power take off fixedly connected with pump body (102) of motor (101), its characterized in that: the utility model discloses a pump body, including pump body (102), worm wheel (3) one side fixedly connected with transmission shaft (305), and the power take off end of transmission shaft (305) other end and motor (101) is fixed to be linked to each other, pump body (102) opposite side surface integrated into one piece has seal receptacle (301), seal receptacle (301) inner chamber middle part fixed mounting has bearing (303), fixed the inlaying of seal receptacle (301) one end has sealing ring (302) No. one, fixed the inlaying of seal receptacle (301) inner chamber other end has sealing ring (304) No. two, transmission shaft (305) one end runs through sealing ring (302), sealing ring (304) No. two and bearing (303).

2. A centrifugal pump having a seal structure according to claim 1, wherein: the pump body (102) comprises a first shell (2), a second shell (201), a connecting plate (202) and a fixing bolt (203).

3. A centrifugal pump having a seal structure according to claim 2, wherein: a casing (2) is located No. two casings (201) one side, No. one casing (2) and No. two casings (201) one side homogeneous body shaping have connecting plate (202), connecting plate (202) lateral wall screw thread through connection has fixing bolt (203).

4. A centrifugal pump having a seal structure according to claim 1, wherein: the water pump is characterized in that a water outlet pipe (103) is fixedly arranged at the top of the pump body (102), and a water inlet pipe (104) is fixedly arranged on one side of the pump body (102).

5. A centrifugal pump having a seal structure according to claim 4, wherein: and sealing gaskets (4) are fixedly arranged on the surfaces of the water outlet pipe (103) and the water inlet pipe (104).

6. A centrifugal pump having a seal structure according to claim 5, wherein: the sealing gasket (4) is characterized in that supporting springs (401) are fixedly mounted in the inner cavity of the sealing gasket (4), multiple groups of supporting springs (401) are arranged, and supporting plates (402) are fixedly connected to two ends of each supporting spring (401).