CN219472438U - Centrifugal pump with pressure regulating structure - Google Patents

Abstract

The utility model discloses a centrifugal pump with a pressure regulating structure, which comprises a first bracket and a damping support rod, wherein the upper end surface of the first bracket is fixedly connected with a damping spring, the tail end of the damping spring is fixedly connected with a second bracket, the inner ring of the damping spring is fixedly connected with the damping support rod on the upper end surface of the first bracket, the upper end surface of the second bracket is fixedly connected with a motor, and the tail end of the motor is provided with a protective shell.

Description

Centrifugal pump with pressure regulating structure

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with a pressure adjusting structure.

Background

The centrifugal pump has very wide application in daily life and industrial production, and the electric quantity consumed on the vane pump in China is extremely high every year, so that the energy saving and high efficiency of the centrifugal pump are particularly important, and in actual production and life, the centrifugal pump often operates under a single working condition, and the operation under multiple working conditions is quite common.

However, the existing centrifugal pump with the pressure adjusting structure usually adopts a motor to work when the centrifugal pump works, the long-time vibration of the motor easily causes damage inside equipment, impurities contained inside the centrifugal pump can cause abrasion to internal parts when a water source enters the centrifugal pump, the whole impeller needs to be replaced when the impeller is replaced, the impeller cannot be detached and replaced singly, and resources are wasted.

Disclosure of Invention

The utility model aims to provide a centrifugal pump with a pressure regulating structure, which aims to solve the problems that the centrifugal pump with the pressure regulating structure usually adopts a motor to work when the centrifugal pump works, the inside of equipment is easy to damage due to long-time vibration of the motor, internal parts are worn by impurities contained in the motor when a water source enters, the whole impeller needs to be replaced when the impeller is replaced, the impeller cannot be detached and replaced singly, and resources are wasted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal pump with pressure regulation structure, includes first support and damping branch, the up end fixedly connected with damping spring of first support, damping spring's terminal fixedly connected with second support, damping spring's inner circle is located the up end fixedly connected with damping branch of first support, the up end fixedly connected with motor of second support, the terminal mounting of motor has the protective housing, the internally mounted of protective housing has first screw bolt, the connecting rod is installed to the terminal of first screw bolt, the terminal fixedly connected with mount pad of connecting rod, the inlet tube is installed to the left end wall of mount pad, the spread groove has been seted up to the inner wall of inlet tube, the inside block of spread groove is connected with the filter screen support, the surface mounting of inlet tube has the second screw bolt, the up end of mount pad is installed to the up end, the manometer is installed to the lateral wall, the front end wall of mount pad install the governing valve, the internally mounted with motor fixed connection's connecting axle, the terminal mounting of connecting axle has the connecting plate, the inner wall fixedly connected with of connecting plate has the connecting rod, the inside diameter of pressure tube bolt is equipped with the inside bolt, the inside diameter of the mount pad is equipped with the inside diameter of pressure tube is equipped with the inside bolt, the inside diameter of the inside bolt is equipped with the inside diameter of the mount pad.

Preferably, the second support is fixedly connected with the motor, and the second support and the first support form an elastic structure through the damping spring and the damping strut.

Preferably, the water inlet pipe and the mounting seat form a detachable structure through the second threaded bolt, and the filter screen bracket is in clamping connection with the water inlet pipe through the connecting groove.

Preferably, the motor is connected with the connecting rod in a clamping way through the protective shell, and the protective shell forms a detachable structure through the first threaded bolt and the connecting rod.

Preferably, the impeller support and the connecting plate form a clamping structure through the mounting hole and the connecting bolt, and the impeller support forms a detachable structure through the mounting hole, the connecting bolt, the connecting plate and the third threaded bolt.

Preferably, the impeller support and the motor form a rotating structure through the connecting plate and the connecting shaft, and the impeller support is arranged into two groups along the horizontal direction of the connecting shaft.

Compared with the prior art, the utility model has the beneficial effects that;

1. the utility model discloses a set up the filter screen support, the work of dismantling and installing with the mount pad under the effect of inlet tube through the second screw bolt for to the entering work of water source, then when carrying out inlet tube and mount pad and installing, the filter screen support can carry out the block effect between spread groove and the inlet tube, and the opposite side of filter screen support carries out closely laminating effect with the mount pad, realizes when carrying out the input of inlet tube, avoids impurity in the water to cause the harm to equipment inside;

2. the utility model discloses a set up the connecting bolt, the impeller support can be through carrying out certain block effect between mounting hole and connecting bolt and the connecting plate for avoid causing the relative slip of production between impeller support and the connecting axle under the circumstances of carrying out high-speed rotation, and can carry out certain dismantlement effect to the impeller support of installation under the effect of bolt to the third screw, can carry out certain change when receiving the harm, need not change whole equipment, save the resource.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a filter screen support structure according to the present utility model;

fig. 3 is a schematic view of the internal structure of the mounting base of the present utility model.

In the figure: 1. a first bracket; 2. a damping spring; 3. a second bracket; 4. damping strut; 5. a motor; 6. a protective shell; 7. a first threaded bolt; 8. a connecting rod; 9. a mounting base; 10. a water inlet pipe; 11. a connecting groove; 12. a filter screen bracket; 13. a second threaded bolt; 14. a pressure pipe; 15. a pressure gauge; 16. a regulating valve; 17. a water outlet; 18. a connecting shaft; 19. a connecting plate; 20. a connecting bolt; 21. an impeller support; 22. a mounting hole; 23. and a third threaded bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the centrifugal pump with the pressure regulating structure comprises a first bracket 1 and a damping strut 4, wherein the upper end surface of the first bracket 1 is fixedly connected with a damping spring 2, the tail end of the damping spring 2 is fixedly connected with a second bracket 3, the inner ring of the damping spring 2 is positioned on the upper end surface of the first bracket 1 and is fixedly connected with the damping strut 4, the upper end surface of the second bracket 3 is fixedly connected with a motor 5, the tail end of the motor 5 is provided with a protective shell 6, the interior of the protective shell 6 is provided with a first threaded bolt 7, the tail end of the first threaded bolt 7 is provided with a connecting rod 8, the tail end of the connecting rod 8 is fixedly connected with a mounting seat 9, the left end wall of the mounting seat 9 is provided with a water inlet pipe 10, the inner wall of the water inlet pipe 10 is provided with a connecting groove 11, the inside block of spread groove 11 is connected with filter screen support 12, the second screw thread bolt 13 is installed to the surface of inlet tube 10, pressure tube 14 is installed to the up end of mount pad 9, manometer 15 is installed to the lateral wall of pressure tube 14, governing valve 16 is installed to the front end wall of pressure tube 14, the internally mounted of mount pad 9 has the connecting axle 18 with motor 5 fixed connection, connecting plate 19 is installed to the end of connecting axle 18, the inner wall fixedly connected with connecting bolt 20 of connecting plate 19, the surface block of connecting bolt 20 is connected with impeller support 21, mounting hole 22 has been seted up to the inside of impeller support 21, the internally mounted of mounting hole 22 has third screw thread bolt 23, the up end of mount pad 9 is located the right side of pressure tube 14 and is provided with delivery port 17.

Further, the second support 3 is fixedly connected with the motor 5, the second support 3 forms an elastic structure with the first support 1 through the damping spring 2 and the damping support rod 4, when the motor 5 works, certain noise and vibration can be generated, and the second support 3 can perform certain damping and buffering functions through the damping spring 2 and the damping support rod 4 and the first support 1, so that damage to equipment caused by long-time working vibration is avoided.

Further, the water inlet pipe 10 forms a detachable structure with the mounting seat 9 through the second threaded bolt 13, the filter screen support 12 is connected with the water inlet pipe 10 through the connecting groove 11 in a clamping way, the water inlet pipe 10 is detached and installed with the mounting seat 9 under the action of the second threaded bolt 13 and used for entering water sources, then when the water inlet pipe 10 is installed with the mounting seat 9, the filter screen support 12 can be in clamping action with the water inlet pipe 10 through the connecting groove 11, the other side of the filter screen support 12 is in close fit with the mounting seat 9, and the damage to the inside of equipment caused by impurities in water is avoided when the water inlet pipe 10 is input.

Further, the motor 5 is connected for the block through protective housing 6 and connecting rod 8, and protective housing 6 constitutes detachable construction through first screw bolt 7 and connecting rod 8, and motor 5 can carry out the block effect between through protective housing 6 and the connecting rod 8, then carries out certain fastening effect through the first screw bolt 7 of installation for carry out certain dismantlement between motor 5 and the mount pad 9, maintain the effect to inside to and can carry out certain protection when carrying out the during operation of equipment.

Further, the impeller support 21 forms a clamping structure with the connecting plate 19 through the mounting hole 22 and the connecting bolt 20, the impeller support 21 forms a detachable structure through the mounting hole 22, the connecting bolt 20, the connecting plate 19 and the third threaded bolt 23, the impeller support 21 can perform certain clamping action through the mounting hole 22 and the connecting bolt 20 and the connecting plate 19, relative sliding between the impeller support 21 and the connecting shaft 18 is avoided under the condition of high-speed rotation, and certain detachment action can be performed on the mounted impeller support 21 under the action of the third threaded bolt 23, certain replacement can be performed when damaged, the whole equipment is not required to be replaced, and resources are saved.

Further, the impeller support 21 forms a rotating structure with the motor 5 through the connecting plate 19 and the connecting shaft 18, the impeller support 21 is arranged into two groups along the horizontal direction of the connecting shaft 18, the impeller support 21 can rotate between the connecting plate 19 and the connecting shaft 18 and the motor 5, relative sliding with the connecting shaft 18 during rotation is avoided, the impeller support 21 is arranged into two groups along the horizontal direction of the connecting shaft 18, double impeller equipment is adopted for working, and the lift of the water outlet 17 is improved, so that the working efficiency of the equipment is improved.

Working principle: the impeller support 21 can perform certain clamping action between the mounting hole 22 and the connecting bolt 20 and the connecting plate 19, so as to avoid relative sliding between the impeller support 21 and the connecting shaft 18 under the condition of high-speed rotation, and can perform certain disassembly action on the mounted impeller support 21 under the action of the third threaded bolt 23, so that the whole equipment is not required to be replaced when damaged, resources are saved, then certain clamping action between the mounting hole 22 and the connecting bolt 20 and the connecting plate 19 is performed, relative sliding between the impeller support 21 and the connecting shaft 18 is avoided under the condition of high-speed rotation, and certain disassembly action on the mounted impeller support 21 under the action of the third threaded bolt 23 is performed, can carry out certain change when receiving the harm, need not change whole equipment, save the resource, and inlet tube 10 dismantles the work of installing seat 9 through the effect of second screw bolt 13 down, be used for the entering work to the water source, then when carrying out inlet tube 10 and installing seat 9, filter screen support 12 can carry out the block effect between spread groove 11 and inlet tube 10, filter screen support 12's opposite side and installing seat 9 carry out closely laminating effect, realize when carrying out the input of inlet tube 10, avoid impurity in the water to cause the harm to equipment inside, at last when carrying out the work of equipment, be used for detecting internal mounting seat 9 pressure size through pressure tube 14 and manometer 15 of installation, then carry out the effect of releasing that opens and shuts to pressure tube 14 through the effect of governing valve 16, avoid the inside pressure too big harm that causes equipment.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A centrifugal pump having a pressure regulating structure, characterized in that: including first support (1) and damping branch (4), the up end fixedly connected with damping spring (2) of first support (1), the terminal fixedly connected with second support (3) of damping spring (2), the inner circle of damping spring (2) is located up end fixedly connected with damping branch (4) of first support (1), the up end fixedly connected with motor (5) of second support (3), protective housing (6) are installed to the end of motor (5), the internally mounted of protective housing (6) has first screw bolt (7), connecting rod (8) are installed to the end of first screw bolt (7), the terminal fixedly connected with mount pad (9) of connecting rod (8), inlet tube (10) are installed to the left end wall of mount pad (9), spread groove (11) have been seted up to the inner wall of inlet tube (10), inside block of spread groove (11) is connected with filter screen support (12), second screw thread (13) are installed to the surface of inlet tube (10), the up end of mount pad (9) has pressure tube (14), pressure tube (14) are installed to the end wall (14), internally mounted of mount pad (9) have connecting axle (18) with motor (5) fixed connection, connecting plate (19) are installed to the end of connecting axle (18), the inner wall fixedly connected with connecting bolt (20) of connecting plate (19), the surface block of connecting bolt (20) is connected with impeller support (21), mounting hole (22) have been seted up to the inside of impeller support (21), the internally mounted of mounting hole (22) has third screw bolt (23), the up end of mount pad (9) is located the right side of pressure tube (14) and is provided with delivery port (17).

2. A centrifugal pump having a pressure regulating structure according to claim 1, wherein: the second support (3) is fixedly connected with the motor (5), and the second support (3) and the first support (1) form an elastic structure through the damping springs (2) and the damping support rods (4).

3. A centrifugal pump having a pressure regulating structure according to claim 1, wherein: the water inlet pipe (10) and the mounting seat (9) form a detachable structure through the second threaded bolt (13), and the filter screen bracket (12) is in clamping connection with the water inlet pipe (10) through the connecting groove (11).

4. A centrifugal pump having a pressure regulating structure according to claim 1, wherein: the motor (5) is connected with the connecting rod (8) in a clamping way through the protective shell (6), and the protective shell (6) forms a detachable structure through the first threaded bolt (7) and the connecting rod (8).

5. A centrifugal pump having a pressure regulating structure according to claim 1, wherein: the impeller support (21) and the connecting plate (19) form a clamping structure through the mounting hole (22) and the connecting bolt (20), and the impeller support (21) and the connecting plate (19) and the third threaded bolt (23) form a detachable structure through the mounting hole (22).

6. A centrifugal pump having a pressure regulating structure according to claim 1, wherein: the impeller support (21) and the motor (5) form a rotating structure through the connecting plate (19) and the connecting shaft (18), and the impeller support (21) is arranged into two groups along the horizontal direction of the connecting shaft (18).