CN214698348U

CN214698348U - Centrifugal pump

Info

Publication number: CN214698348U
Application number: CN202120964130.2U
Authority: CN
Inventors: 刘军庭
Original assignee: Shijiazhuang Hua'an Electromechanical Equipment Co ltd
Current assignee: Shijiazhuang Hua'an Electromechanical Equipment Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-12
Anticipated expiration: 2031-05-08

Abstract

A centrifugal pump comprises a motor, a pump body, a motor mounting plate, a pump body mounting plate, a mounting base, a buffer plate, a motor rotating shaft and a pump body connecting shaft; the installation base is the shape of opening upwards, the buffer board sets up the inboard at the installation base, the both ends of buffer board are located to the motor and the pump body, motor mounting panel and pump body mounting panel all slide and set up on the buffer board, motor shaft's tip is provided with the cross fixture block, the other end of pump body connecting axle is provided with the cross jack that agrees with mutually with the cross fixture block, be provided with first slide and second slide on motor mounting panel and the pump body mounting panel respectively, be provided with first connecting plate and second connecting plate on first slide and the second slide respectively, set up the drive assembly who is used for driving first connecting plate and second connecting plate reverse movement on the installation base. The utility model discloses can be convenient for install the dismantlement, and the efficient of dismouting, the work is maintained to the centrifugal pump to convenient operation workman.

Description

Centrifugal pump

Technical Field

The utility model relates to a water pump technical field especially relates to a centrifugal pump.

Background

Centrifugal pumps operate by centrifugal force generated by water as an impeller rotates. Before the centrifugal 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, and the water is thrown to the outer edge of the impeller under the action of centrifugal force and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

The existing centrifugal pump has certain defects when in use, firstly, the centrifugal pump cannot be assembled and disassembled in the field at any time, and the assembling and the disassembling can be carried out only by a professional with tools, so that the disassembling process is more complicated, and the maintenance work of the centrifugal pump is inconvenient.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a centrifugal pump can be convenient for install the dismantlement, and the efficient of dismouting, makes things convenient for the operation workman to maintain the work to the centrifugal pump.

(II) technical scheme

The utility model provides a centrifugal pump, which comprises a motor, a pump body, a motor mounting plate, a pump body mounting plate, a mounting base, a buffer plate, a motor rotating shaft and a pump body connecting shaft;

the mounting base is in an upward opening shape, the buffer plate is movably arranged on the inner side of the mounting base, a plurality of shock absorption components are arranged between the buffer plate and the mounting base, the motor and the pump body are arranged at two ends of the upper end surface of the buffer plate, the motor mounting plate and the pump body mounting plate are arranged on the buffer plate in a sliding manner, a first limit pin and a second limit pin are respectively arranged on the motor mounting plate and the pump body mounting plate, the bottom ends of the motor and the pump body are respectively provided with a motor supporting leg and a pump body supporting leg, wherein, the motor supporting leg is provided with a first limit hole for the first limit pin to insert, the pump body supporting leg is provided with a second limit hole for the second limit pin to insert, the buffer plate is provided with a first fixing block and a second fixing block, the motor supporting leg and the pump body supporting leg are respectively provided with a first inserting block and a second inserting block, wherein, the first inserting hole matched with the first inserting block is arranged on the first fixing block, the second fixing block is provided with a second jack which is matched with the second inserting block, one end of the pump body connecting shaft is connected with an impeller arranged in the pump body, the end part of the motor rotating shaft is provided with a cross-shaped fixture block, the other end of the pump body connecting shaft is provided with a cross-shaped jack which is matched with the cross-shaped fixture block, the motor mounting plate and the pump body mounting plate are respectively provided with a first sliding plate and a second sliding plate, a first sliding hole and a second sliding hole which are used for sliding the first sliding plate and the second sliding plate are respectively arranged on the buffer plate, the first sliding plate and the second sliding plate are respectively provided with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are both positioned in an opening of the mounting base, and the mounting base is provided with a driving component which is used for driving the first connecting plate to reversely move relative to the second connecting plate.

Preferably, the drive assembly includes two-way lead screw and rotation handle, and the both ends of the lower terminal surface of buffer board all are provided with the fixed plate, and two-way lead screw rotates and sets up between two fixed plates, and first connecting plate and second connecting plate symmetry set up on two-way lead screw and equal two-way lead screw threaded connection, rotate the handle setting in the outside of installation base and be connected with two-way lead screw.

Preferably, damper unit includes guide post, damping spring and limiting plate, and the guide post is fixed to be set up in the opening of installation base, and the guide post top is passed the buffer board and is connected with the limiting plate, and the damping spring cover is established on the guide post and is supported tightly with the buffer board.

Preferably, first fixed block and second fixed block all are located between motor mounting panel and the pump body mounting panel.

Preferably, a first shell is arranged outside the pump body, the first shell is sleeved outside the pump body connecting shaft, a second shell is connected to the first shell in a threaded mode, and a round hole for the motor rotating shaft to penetrate through is formed in the second shell.

Preferably, the bottom of the mounting base is provided with a plurality of universal wheels.

Preferably, one side of the mounting base is provided with a movable hole for the bidirectional screw rod to move up and down.

Preferably, the number of shock absorbing assemblies is not less than four.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model can be conveniently mounted and dismounted, has high dismounting efficiency, and is convenient for operating workers to maintain the centrifugal pump; a plurality of damping spring that the buffer board bottom set up can play the effect of shock attenuation buffering, can reduce the vibrations that the centrifugal pump produced at the during operation to the life of extension centrifugal pump.

Drawings

Fig. 1 is a schematic structural view of a centrifugal pump according to the present invention.

Fig. 2 is an internal cross-sectional view of the mounting base in the centrifugal pump of the present invention.

Fig. 3 is the structure schematic diagram of the connection relationship between the motor shaft and the pump body connecting shaft in the centrifugal pump.

Reference numerals: 1. a motor; 101. a motor support leg; 1011. a first insert block; 102. a motor shaft; 1021. a cross-shaped fixture block; 2. a pump body; 201. pump body support legs; 2011. a second insert block; 202. a pump body connecting shaft; 2021. a cross jack; 3. a motor mounting plate; 4. a pump body mounting plate; 5. installing a base; 6. a buffer plate; 7. a universal wheel; 8. a first fixed block; 9. a second fixed block; 10. a first slide hole; 11. a second slide hole; 12. a guide post; 13. a damping spring; 14. a limiting plate; 15. a bidirectional screw rod; 16. a first slide plate; 17. a second slide plate; 18. a first connecting plate; 19. a first housing; 20. a second housing; 21. a first limit pin; 22. a second limit pin; 23. rotating the handle; 24. a fixing plate; 25. and (4) a movable hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the centrifugal pump provided by the present invention comprises a motor 1, a pump body 2, a motor mounting plate 3, a pump body mounting plate 4, a mounting base 5, a buffer plate 6, a motor shaft 102 and a pump body connecting shaft 202;

the mounting base 5 is in an upward opening shape, the buffer plate 6 is movably arranged on the inner side of the mounting base 5, a plurality of shock absorption components are arranged between the buffer plate 6 and the mounting base 5, the motor 1 and the pump body 2 are arranged at two ends of the upper end surface of the buffer plate 6, the motor mounting plate 3 and the pump body mounting plate 4 are both arranged on the buffer plate 6 in a sliding manner, a first limit pin 21 and a second limit pin 22 are respectively arranged on the motor mounting plate 3 and the pump body mounting plate 4, the bottom ends of the motor 1 and the pump body 2 are respectively provided with a motor support leg 101 and a pump body support leg 201, wherein, a first limit hole for inserting the first limit pin 21 is arranged on the motor support leg 101, a second limit hole for inserting the second limit pin 22 is arranged on the pump body support leg 201, a first fixing block 8 and a second fixing block 9 are arranged on the buffer plate 6, a first inserting block 1011 and a second inserting block 2011 are respectively arranged on the motor support leg 101 and the pump body support leg 201, the first fixing block 8 is provided with a first insertion hole which is matched with the first insertion block 1011, the second fixing block 9 is provided with a second insertion hole which is matched with the second insertion block 2011, one end of the pump body connecting shaft 202 is connected with an impeller which is arranged in the pump body 2, the end part of the motor rotating shaft 102 is provided with a cross-shaped fixture block 1021, the other end of the pump body connecting shaft 202 is provided with a cross-shaped insertion hole 2021 which is matched with the cross-shaped fixture block 1021, the motor mounting plate 3 and the pump body mounting plate 4 are respectively provided with a first sliding plate 16 and a second sliding plate 17, the buffer plate 6 is respectively provided with a first sliding hole 10 and a second sliding hole 11 which are used for the first sliding plate 16 and the second sliding plate 17 to slide, the first sliding plate 16 and the second sliding plate 17 are respectively provided with a first connecting plate 18 and a second connecting plate, the first connecting plate 18 and the second connecting plate are both located in an opening of the mounting base 5, and the mounting base 5 is provided with a driving assembly which is used for driving the first connecting plate 18 and the second connecting plate to move reversely.

In an alternative embodiment, the driving assembly comprises a bidirectional screw rod 15 and a rotating handle 23, fixing plates 24 are arranged at two ends of the lower end surface of the buffer plate 6, the bidirectional screw rod 15 is rotatably arranged between the two fixing plates 24, the first connecting plate 18 and the second connecting plate are symmetrically arranged on the bidirectional screw rod 15 and are in threaded connection with the bidirectional screw rod 15, and the rotating handle 23 is arranged at the outer side of the mounting base 5 and is connected with the bidirectional screw rod 15.

In an alternative embodiment, the shock absorption assembly comprises a guide post 12, a shock absorption spring 13 and a limit plate 14, the guide post 12 is fixedly arranged in the opening of the mounting base 5, the top end of the guide post 12 penetrates through the buffer plate 6 to be connected with the limit plate 14, and the shock absorption spring 13 is sleeved on the guide post 12 and abuts against the buffer plate 6.

In an alternative embodiment, the first and second fixed

blocks

8 and 9 are both located between the motor mounting plate 3 and the pump body mounting plate 4.

In an alternative embodiment, a first housing 19 is disposed outside the pump body 2, the first housing 19 is sleeved outside the pump body connecting shaft 202, a second housing 20 is connected to the first housing 19 in a threaded manner, and a circular hole for the motor shaft 102 to pass through is disposed on the second housing 20.

In an alternative embodiment, the bottom of the mounting base 5 is provided with a plurality of universal wheels 7.

In an alternative embodiment, a movable hole 25 for the bidirectional screw rod 15 to move up and down is arranged on one side of the mounting base.

In an alternative embodiment, the number of shock absorbing assemblies is no less than four.

In the use process of the utility model, when the centrifugal pump needs to be overhauled, firstly, the handle 23 is rotated to drive the bidirectional screw rod 15 to rotate, the bidirectional screw rod 15 can drive the first connecting plate 18 and the second connecting plate to do the phase-to-phase motion when rotating, the first connecting plate 18 can drive the first sliding plate 16, the motor mounting plate 3 and the motor 1 to synchronously move, the second connecting plate can drive the second sliding plate 17, the pump body mounting plate 4 and the pump body 2 to synchronously move, when the first insert 1011 on the motor support leg 101 is moved out of the first insert, and the second insert on the pump body support leg 201 is moved out of the second insert, the motor 1 can be moved upwards to make the first limit pin 21 be disengaged from the first limit hole, then the pump body 2 is moved upwards to make the second limit pin 22 be disengaged from the second limit hole, thereby the fixation of the motor 1 and the pump body 20112 is removed, then the operation workman can maintain the work to motor 1 or the pump body 2, and it is comparatively convenient to install and dismantle, and a plurality of damping spring 13 that 6 bottoms of buffer board set up can play the effect of shock attenuation buffering, can reduce the vibrations that the centrifugal pump produced at the during operation to the life of extension centrifugal pump.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A centrifugal pump is characterized by comprising a motor (1), a pump body (2), a motor mounting plate (3), a pump body mounting plate (4), a mounting base (5), a buffer plate (6), a motor rotating shaft (102) and a pump body connecting shaft (202);

the mounting base (5) is in an upward opening shape, the buffer plate (6) is movably arranged on the inner side of the mounting base (5), a plurality of shock absorption components are arranged between the buffer plate (6) and the mounting base (5), the motor (1) and the pump body (2) are arranged at two ends of the upper end face of the buffer plate (6), the motor mounting plate (3) and the pump body mounting plate (4) are arranged on the buffer plate (6) in a sliding manner, the motor mounting plate (3) and the pump body mounting plate (4) are respectively provided with a first limit pin (21) and a second limit pin (22), the bottom ends of the motor (1) and the pump body (2) are respectively provided with a motor supporting leg (101) and a pump body supporting leg (201), wherein the motor supporting leg (101) is provided with a first limit hole for the first limit pin (21) to be inserted into, the pump body supporting leg (201) is provided with a second limit hole for the second limit pin (22) to be inserted into, a first fixing block (8) and a second fixing block (9) are arranged on the buffer plate (6), a first inserting block (1011) and a second inserting block (2011) are respectively arranged on the motor supporting leg (101) and the pump body supporting leg (201), wherein a first inserting hole which is matched with the first inserting block (1011) is formed in the first fixing block (8), a second inserting hole which is matched with the second inserting block (2011) is formed in the second fixing block (9), one end of the pump body connecting shaft (202) is connected with an impeller which is arranged in the pump body (2), a cross-shaped clamping block (1021) is arranged at the end of the motor rotating shaft (102), a cross-shaped inserting hole (2021) which is matched with the cross-shaped clamping block (1021) is formed in the other end of the pump body connecting shaft (202), a first sliding plate (16) and a second sliding plate (17) are respectively arranged on the motor mounting plate (3) and the pump body mounting plate (4), and a first sliding hole (10) and a second sliding hole (10) which are used for sliding of the first sliding plate (16) and the second sliding plate (17) are respectively arranged on the buffer plate (6) The hole (11), be provided with first connecting plate (18) and second connecting plate on first slide (16) and second slide (17) respectively, first connecting plate (18) and second connecting plate all are located the opening of installation base (5), set up the drive assembly who is used for driving first connecting plate (18) and second connecting plate reverse movement on installation base (5).

2. The centrifugal pump according to claim 1, wherein the driving assembly comprises a bidirectional screw rod (15) and a rotating handle (23), fixing plates (24) are arranged at two ends of the lower end surface of the buffer plate (6), the bidirectional screw rod (15) is rotatably arranged between the two fixing plates (24), the first connecting plate (18) and the second connecting plate are symmetrically arranged on the bidirectional screw rod (15) and are in threaded connection with the bidirectional screw rod (15), and the rotating handle (23) is arranged on the outer side of the mounting base (5) and is connected with the bidirectional screw rod (15).

3. The centrifugal pump according to claim 1, wherein the damping assembly comprises a guide post (12), a damping spring (13) and a limiting plate (14), the guide post (12) is fixedly arranged in the opening of the mounting base (5), the top end of the guide post (12) penetrates through the buffer plate (6) to be connected with the limiting plate (14), and the damping spring (13) is sleeved on the guide post (12) and abuts against the buffer plate (6).

4. A centrifugal pump according to claim 1, characterized in that the first fixing block (8) and the second fixing block (9) are both located between the motor mounting plate (3) and the pump body mounting plate (4).

5. The centrifugal pump according to claim 1, wherein a first housing (19) is arranged outside the pump body (2), the first housing (19) is sleeved outside the pump body connecting shaft (202), a second housing (20) is connected to the first housing (19) in a threaded manner, and a circular hole for the motor rotating shaft (102) to penetrate through is formed in the second housing (20).

6. A centrifugal pump according to claim 1, characterized in that the bottom of the mounting base (5) is provided with a plurality of universal wheels (7).

7. A centrifugal pump according to claim 1, wherein one side of the mounting base (5) is provided with a movable hole (25) for the bidirectional screw rod (15) to move up and down.

8. A centrifugal pump according to claim 1, wherein the number of damper assemblies is not less than four.