CN218151464U

CN218151464U - Water pump with combinable structure

Info

Publication number: CN218151464U
Application number: CN202221068033.6U
Authority: CN
Inventors: 赵最敏
Original assignee: Taizhou Bird Electromechanical Co ltd
Current assignee: Taizhou Bird Electromechanical Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-12-27
Anticipated expiration: 2032-05-06

Abstract

The utility model relates to a but water pump of type structure belongs to pump class equipment technical field, it includes the pump body and motor, be provided with the connecting piece between the motor and the pump body, the pump body includes pump case down, impeller and last pump case, lower pump case and last pump case interconnect, the inside of lower pump case and last pump case forms liquid accommodation space, the impeller be located down between pump case and the last pump case and with the motor shaft interconnect of motor, be provided with the delivery port down on the pump body, be provided with the water inlet on going up the pump case, and be provided with the space of catchmenting between connecting piece and the lower pump case, the connecting piece is provided with the wash port with the space of catchmenting intercommunication, be provided with the sealing member down between pump case and the impeller, the sealing member includes elasticity seal and spring, the utility model aims at providing a simple structure, can avoid spring and liquid direct contact, can avoid liquid to enter into the motor in simultaneously as far as possible, only need to change the accessory just can realize different functions, guarantee life's but the water pump of type structure.

Description

Water pump with combinable structure

Technical Field

The utility model belongs to the technical field of pump class equipment, a water pump of sectional type structure is related to.

Background

The water pump is a machine for conveying liquid or pressurizing liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and also to transfer liquid, gas mixture and liquid containing suspended solid matter. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like, a sealing ring is mostly arranged between a motor and a pump body, the sealing ring is fixed in a pump shell and is sleeved on a motor shaft of the motor, one end of the sealing ring is abutted on the pump shell, the other end of the sealing ring is abutted on an impeller, so that liquid can be prevented from entering the motor, the function of the motor is influenced, a spring is sleeved on the outer side of the existing sealing ring, the sealing ring can be tightly abutted on the pump shell and the impeller, liquid leakage into the motor is prevented, however, the sealing ring is in contact with the liquid for a long time, the sealing ring can be out of work due to long-time erosion of the liquid, the liquid can leak into the motor, and damage is caused to the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure can avoid spring and liquid direct contact, can avoid liquid to enter into the motor as far as possible simultaneously, only needs to change the accessory just can realize different functions, guarantees life's water pump of composable type structure.

The purpose of the utility model is realized like this:

the water pump comprises a pump body and a motor, wherein a connecting piece is arranged between the motor and the pump body, the pump body comprises a lower pump shell, an impeller and an upper pump shell, the lower pump shell is connected with the upper pump shell, a liquid containing space is formed inside the lower pump shell and the upper pump shell, the impeller is positioned between the lower pump shell and the upper pump shell and is connected with a motor shaft of the motor, a water outlet is formed in the lower pump shell, a water inlet is formed in the upper pump shell, the water outlet and the water inlet are communicated with the liquid containing space, a water collecting space is formed between the connecting piece and the lower pump shell, the connecting piece is provided with a water discharging hole communicated with the water collecting space, a sealing piece is arranged between the lower pump shell and the impeller, the sealing piece comprises an elastic sealing body and a spring, two end portions of the spring are respectively abutted against the upper end portion and the lower end portion of the elastic sealing body, the elastic sealing body is constantly abutted against the lower pump shell and the impeller by means of the elasticity of the spring, and a mounting groove for accommodating the sealing piece is formed in the lower pump shell.

In the above water pump with a combinable structure, the number of the drain holes is at least two, and the drain holes are located at the lower end of the connecting piece.

In the water pump with the combined structure, the number of the water discharge holes is eight, and the water discharge holes are uniformly distributed on the periphery of the connecting piece in a group of two.

In the above water pump with a combinable structure, the lower end of the elastic sealing body is provided with a positioning groove, and the bottom of the mounting groove is provided with a positioning bulge matched with the positioning groove.

In the above water pump with a combinable structure, the number of the positioning grooves is two, and the positioning grooves are uniformly distributed on the lower peripheral side of the elastic sealing body.

In the water pump with the combinable structure, the elastic sealing body comprises a positioning seat, an elastic folding sleeve and a jacking wear-resistant ring, the elastic folding sleeve and the spring are both positioned between the positioning seat and the jacking wear-resistant ring, and the elastic folding sleeve is sleeved on the outer side of the spring.

In the water pump with the combined structure, the positioning seat is provided with the sealing ring.

In the water pump with the combinable structure, the water inlet of the upper pump shell is provided with a chemical pump box body.

In the water pump with the combined structure, the water inlet of the upper pump shell is provided with the filter pump box body.

In the water pump with the combined structure, the water inlet of the upper pump shell extends outwards to form a connecting part, and the outer side of the connecting part is sleeved with the water pipe quick connector.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses a sealing member supports and leans on impeller and lower pump case, can play like this and avoid in the water in the pump enters into the motor through the gap, be provided with the space of catchmenting simultaneously between connecting piece and the lower pump case, even if there is the liquid seepage to come out like this, also can enter into the space of catchmenting, it is the liquid that is in the space of conveniently catchmenting to be provided with the wash port on the connecting piece and discharges from the wash port, the space of catchmenting can further reduce in liquid enters into the motor, can prolong the life of motor like this.

2. The utility model discloses the spring setting of sealing member is inside the elastic sealing body, and liquid is direct to be contacted with the outside of elastic sealing body, and the spring can avoid with liquid contact, can reduce the spring like this and direct with the possibility of liquid contact, guarantees the performance of spring.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of a waterless quick connect coupling of an embodiment of the present invention.

Fig. 3 is one of the structural schematic diagrams of the lower pump casing, the impeller and the sealing member according to the first embodiment of the present invention.

Fig. 4 is a second schematic structural view of the lower pump casing, the impeller and the sealing member according to the first embodiment of the present invention.

Fig. 5 is a cross-sectional view of a seal in accordance with an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.

1-a pump body; 2, a motor; 3-a connector; 11-lower pump casing; 12-an impeller; 13-upper pump housing;

14-a water outlet; 15-a water inlet; 16-a catchment space; 17-a drain hole; 18-a seal; 19-mounting grooves; 100-chemical pump box body; 151-a connecting portion; 152-water pipe quick-connect coupling; 181-an elastic sealing body; 182-a spring; 183-positioning grooves; 184-positioning protrusions; 200-a filter pump box body; 1811-positioning seat; 1812-an elastic folding sleeve; 1813-top pressure wear-resistant ring; 1814-sealing ring.

Detailed Description

The invention will be further described in the following by way of specific embodiments with reference to the accompanying drawings:

as shown in fig. 1-5: a water pump with a combinable structure comprises a pump body 1 and a motor 2, wherein a connecting piece 3 is arranged between the motor 2 and the pump body 1, the pump body 1 comprises a lower pump shell 11, an impeller 12 and an upper pump shell 13, the lower pump shell 11 is mutually connected with the upper pump shell 13, a liquid containing space is formed inside the lower pump shell 11 and the upper pump shell 13, the impeller 12 is positioned between the lower pump shell 11 and the upper pump shell 13 and is mutually connected with a motor shaft of the motor 2, a water outlet 14 is arranged on the lower pump shell 11, a water inlet 15 is arranged on the upper pump shell 13, the water outlet 14 and the water inlet 15 are both communicated with the liquid containing space, a water collecting space 16 is arranged between the connecting piece 3 and the lower pump shell 11, a water drainage hole 17 communicated with the water collecting space 16 is arranged on the connecting piece 3, and a sealing piece 18 is arranged between the lower pump shell 11 and the impeller 12, the sealing element 18 comprises an elastic sealing body 181 and a spring 182, two end parts of the spring 182 are respectively abutted against the upper end part and the lower end part of the elastic sealing body 181, the elastic sealing body 181 is abutted against the lower pump shell 11 and the impeller 12 at any time by virtue of the elastic force of the spring 182, a mounting groove 19 for accommodating the sealing element 18 is formed in the lower pump shell 11, the sealing element is abutted against the impeller and the lower pump shell, so that water in the pump can be prevented from entering the motor through a gap, a water collecting space is formed between the connecting element and the lower pump shell, and therefore even if liquid leaks out, the liquid can enter the water collecting space, a water discharging hole is formed in the connecting element to facilitate discharging of the liquid in the water collecting space from the water discharging hole, the water collecting space can further reduce the liquid entering the motor, and therefore the service life of the motor can be prolonged.

In the above-mentioned water pump with a combinable structure, the number of the drain holes 17 is at least two, and the drain holes are located at the lower end of the connecting member 3, so as to facilitate drainage.

In the water pump with the above-mentioned combinable structure, the number of the drain holes 17 is eight, and the eight drain holes are uniformly distributed on the periphery of the connecting piece 3 in pairs, so as to further facilitate water drainage.

In the above water pump with a combined structure, the lower end of the elastic sealing body 181 is provided with two positioning grooves 183, the bottom of the mounting groove 19 is provided with two positioning protrusions 184 adapted to the positioning grooves 183, and the positioning grooves 183 are uniformly distributed on the lower peripheral side of the elastic sealing body 181, so that the installation and positioning of an installer can be facilitated.

In the water pump with the combinable structure, the elastic sealing body 181 includes a positioning seat 1811, an elastic folding sleeve 1812 and a top pressure wear-resistant ring 1813, the elastic folding sleeve 1812 and the spring 182 are both located between the positioning seat 1811 and the top pressure wear-resistant ring 1813, the elastic folding sleeve 1812 is sleeved outside the spring 182, and specifically, the spring is located between the positioning seat and the top pressure wear-resistant ring, and the elastic folding sleeve is covered outside the spring, so that the spring can be prevented from directly contacting with liquid, and the service life of the spring is ensured.

In the water pump with the above-described combination structure, the positioning seat 1811 is provided with a sealing ring 1814, which is for improving sealing performance.

In the above-mentioned water pump of combined structure, the water inlet 15 of going up pump case 13 outwards extends the shaping and has connecting portion 151, the outside cover of connecting portion 151 is equipped with water pipe quick-connect coupling 152, and the water pipe quick-connect coupling of design is in order to be connected with the water pipe is quick, the utility model discloses can use as the centrifugal pump.

The second embodiment is basically the same as the first embodiment, and the difference is as shown in fig. 6: the water inlet 15 of the upper pump shell 13 is provided with a chemical pump box body 100, so that the water pump can be used as a chemical pump.

The third embodiment is basically the same as the first embodiment, but different from the first embodiment in that, as shown in fig. 7: the water inlet 15 of the upper pump case 13 is provided with a filter pump case 200, so that the water pump can be used as a filter pump.

The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a water pump of sectional type structure, includes the pump body (1) and motor (2), its characterized in that: the pump is characterized in that a connecting piece (3) is arranged between the motor (2) and the pump body (1), the pump body (1) comprises a lower pump shell (11), an impeller (12) and an upper pump shell (13), the lower pump shell (11) is connected with the upper pump shell (13), a liquid containing space is formed inside the lower pump shell (11) and the upper pump shell (13), the impeller (12) is positioned between the lower pump shell (11) and the upper pump shell (13) and is connected with a motor shaft of the motor (2), a water outlet (14) is arranged on the lower pump shell (11), a water inlet (15) is arranged on the upper pump shell (13), the water outlet (14) and the water inlet (15) are both communicated with the liquid containing space, a water collecting space (16) is arranged between the connecting piece (3) and the lower pump shell (11), a water drain hole (17) communicated with the water collecting space (16) is arranged on the connecting piece (3), a sealing piece (18) is arranged between the lower pump shell (11) and the impeller (12), the sealing piece (18) comprises an elastic sealing body (181) and a spring (182), and the elastic bodies (181) and two end portions of the elastic sealing body (181) are abutted against the upper end portion and the lower end portion of the elastic sealing body (12) respectively, and a mounting groove (19) for accommodating a sealing piece (18) is arranged in the lower pump shell (11).

2. The combinable structure water pump according to claim 1, wherein: the number of the drain holes (17) is at least two, and the drain holes are positioned at the lower end of the connecting piece (3).

3. The water pump of a combinable structure as set forth in claim 2, wherein: the number of the drain holes (17) is eight, and every two drain holes are uniformly distributed on the periphery of the connecting piece (3).

4. The water pump of a combinable structure as set forth in claim 1, wherein: the lower tip of elastic sealing body (181) is provided with constant head tank (183), the bottom of mounting groove (19) is provided with the protruding (184) of location with constant head tank (183) adaptation.

5. The water pump of a combinable structure as set forth in claim 4, wherein: the number of the positioning grooves (183) is two, and the positioning grooves (183) are uniformly distributed on the lower peripheral side of the elastic sealing body (181).

6. A water pump of a combinable structure as claimed in claim 1, 2, 3, 4 or 5, wherein: the elastic sealing body (181) comprises a positioning seat (1811), an elastic folding sleeve (1812) and a jacking wear-resisting ring (1813), the elastic folding sleeve (1812) and the spring (182) are located between the positioning seat (1811) and the jacking wear-resisting ring (1813), and the elastic folding sleeve (1812) is sleeved on the outer side of the spring (182).

7. The combinable structure of water pump according to claim 6, wherein: a sealing ring (1814) is arranged on the positioning seat (1811).

8. The combinable structure of water pump according to claim 6, wherein: and a chemical pump box body (100) is arranged at a water inlet (15) of the upper pump shell (13).

9. The water pump of a combinable structure as set forth in claim 6, wherein: a filter pump box body (200) is arranged at the water inlet (15) of the upper pump shell (13).

10. The water pump of a combinable structure as set forth in claim 6, wherein: go up water inlet (15) of pump case (13) and outwards extend the shaping and have connecting portion (151), the outside cover of connecting portion (151) is equipped with water pipe quick-connect coupling (152).