CN220504014U - Secondary pressurizing mechanism of variable-frequency water supply equipment - Google Patents

Abstract

The utility model relates to the technical field of secondary pressurization, and discloses a secondary pressurization mechanism of variable-frequency water supply equipment, which comprises a variable-frequency pump body, three water outlet pipes and three motors, wherein one side of the variable-frequency pump body, which is close to the motors, is fixedly connected with two lower push rods, one side of the three motors, which is close to the variable-frequency pump body, is connected with two upper push rods, the output ends of the two upper push rods and the two lower push rods are fixedly connected with two connecting plates, three outer pipes are connected between the two connecting plates connected with the upper push rods, three inner pipes are connected between the two connecting plates connected with the lower push rods, and the three outer pipes are respectively sleeved on the outer walls of the three inner pipes and are in sliding connection. This kind of variable frequency water supply equipment's secondary booster mechanism through increase outer tube and inner tube between variable frequency pump body and motor, when needs overhauld the inside impeller of outer tube and inner tube, rises and descends through last push rod and push rod control outer tube and inner tube, exposes the inside impeller, clear up afterwards and overhaul can, convenient and fast.

Description

Secondary pressurizing mechanism of variable-frequency water supply equipment

Technical Field

The utility model relates to the technical field of secondary pressurization, in particular to a secondary pressurization mechanism of variable-frequency water supply equipment.

Background

The variable-frequency water supply equipment is complete water supply equipment which is directly connected with the municipal pipe network and can not influence the municipal pipe network. The equipment superimposes municipal pipe network pressure and lifting water pump pressure on the basis of ZBH frequency conversion constant pressure, makes domestic water supply more energy-conserving and environmental protection, is the ideal updating product of traditional secondary water supply. The equipment consists of a variable frequency control cabinet, a non-negative pressure device, an automatic control system, a remote monitoring system, a water pump unit, a voltage stabilizing compensator, a negative pressure eliminator, a pressure sensor, a valve, an instrument, a pipeline system and the like.

The secondary pressurization is also called secondary pressurization, and the water pressure is increased by using methods such as air pressure and the like to send water to a higher water level, so that the traditional high water tower mode can be broken, water can be directly supplied to a high place from a low place, and the secondary pressurization is usually used for secondary water supply in urban buildings. In order to ensure the use effect, the secondary water supply pump needs to be overhauled in the water pump frequently, and the impeller cover below the existing secondary pressurized water pump is connected with the motor frame through a plurality of screws and bolts, so that the screws and bolts are required to be loosened one by one and screwed down when the secondary pressurized water pump is detached and installed, and the secondary pressurized water pump is inconvenient.

The utility model discloses a variable frequency water supply equipment's secondary booster mechanism as the patent of the current secondary booster mechanism of retrieval publication number CN217923898U, including moving platform, the one end fixedly connected with stationary flow regulator at moving platform top, the moving platform top is located one side fixedly connected with booster pump of stationary flow regulator, the output unit fixedly connected with connecting pipe of booster pump, moving platform is located the booster pump and keeps away from the both ends that the top of stationary flow regulator kept away from each other and all fixedly connected with solid fixed ring, the adaptation groove has all been run through on the both ends lateral wall top that two guys are close to each other, the outer wall uniform thread connection at gu fixed ring top has fixing bolt, the inside joint movable connection of two adaptation grooves has the water supply pipe jointly. The device has simple structure, and can stabilize the water supply pipe after the secondary pressurization of the variable-frequency water supply equipment, so that the possibility of potential safety hazard occurrence is reduced, and the device can be conveniently and fast provided by the universal wheels during transportation, and the functionality of the device is effectively improved.

The secondary pressurizing mechanism of the existing variable-frequency water supply equipment stabilizes the water supply pipe after secondary pressurizing, and provides convenience through the universal wheels during transportation, so that the functionality of the mechanism is effectively improved, but the problem that the mechanism is inconvenient to overhaul still exists when the water pump is overhauled.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a secondary pressurizing mechanism of variable-frequency water supply equipment, such as: when a user overhauls the variable frequency pump body, the outer pipe and the inner pipe can be directly lowered and lifted without disassembling the nuts and the screws, and the variable frequency pump is convenient and quick.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a variable frequency water supply equipment's secondary booster mechanism, including the variable frequency pump body, install three outlet pipe on the variable frequency pump body and install three motor on three outlet pipe, one side fixedly connected with down the push rod that the variable frequency pump body is close to the motor, one side that the three motor is close to the variable frequency pump body is connected with two and goes up the push rod, two equal fixedly connected with connecting plates of output of two push rods down, be connected with three outer tube between two connecting plates that are connected with the push rod, be connected with three inner tube between two connecting plates that are connected with the push rod down, three outer tube overlaps respectively and establishes at three inner tube outer wall and sliding connection.

Further, two upper brackets are fixedly connected to the outer wall of the motor in the middle, and the outer walls of the two upper push rods are fixedly connected with the two upper brackets respectively.

Further, two lower push rods are respectively positioned between the three water outlet pipes, and two upper push rods are respectively positioned between the three motors.

Further, four connecting plates connected to the two upper push rods and the two lower push rods are fixedly connected to the outer walls of the two outer tubes and the two inner tubes respectively.

Further, one end of the inner tube far away from the outer tube is sleeved on the outer wall of the water outlet tube.

Further, a sealing gasket is arranged at the joint of the outer pipe and the inner pipe, and a sealing gasket is arranged at the joint of the inner pipe and the water outlet pipe.

Further, the lifting length of the upper push rod is the same as that of the lower push rod.

Compared with the prior art, the utility model has the following beneficial effects:

this kind of variable frequency water supply equipment's secondary booster mechanism through increase an outer tube and inner tube between variable frequency pump body and motor to increase two at the both ends of outer tube and inner tube respectively and go up push rod and two push rods down, when need examine and repair the inside impeller of outer tube and inner tube, open the switch of push rod and push rod down respectively, rise and descend outer tube and inner tube, thereby expose the impeller of inside, clear up afterwards and examine and repair can, convenient and fast.

Drawings

FIG. 1 is a schematic view of the overall appearance of the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of the outer tube and inner tube of the present utility model based on FIG. 1;

FIG. 3 is a schematic illustration of the connection of the outer tube and the inner tube of the present utility model based on FIG. 1;

fig. 4 is a schematic perspective cross-sectional view of the outer tube and inner tube of the present utility model based on fig. 3.

In the figure: 1. a variable frequency pump body; 2. a connecting plate; 3. an inner tube; 4. an outer tube; 5. an upper push rod; 6. an upper bracket; 7. a motor; 8. a water outlet pipe; 9. and (5) pushing down the rod.

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.

Referring to fig. 1-4, a secondary pressurizing mechanism of a variable frequency water supply device comprises a variable frequency pump body 1, three water outlet pipes 8 installed on the variable frequency pump body 1 and three motors 7 installed on the three water outlet pipes 8, wherein one side of the variable frequency pump body 1, which is close to the motors 7, is fixedly connected with two lower push rods 9, one side of the three motors 7, which is close to the variable frequency pump body 1, is connected with two upper push rods 5, the output ends of the two upper push rods 5 and the two lower push rods 9 are fixedly connected with two connecting plates 2, three outer pipes 4 are connected between the two connecting plates 2 connected with the upper push rods 5, three inner pipes 3 are connected between the two connecting plates 2 connected with the lower push rods 9, and the three outer pipes 4 are respectively sleeved on the outer walls of the three inner pipes 3 and are in sliding connection.

The secondary pressurizing mechanism of the variable-frequency water supply equipment is similar to the existing secondary pressurizing mechanism of the variable-frequency water supply equipment in structure, and the main improvement points of the secondary pressurizing mechanism of the variable-frequency water supply equipment disclosed in the patent with the publication number of CN217923898U are as follows: when the variable frequency pump body 1 is overhauled, a user can directly descend and ascend the outer pipe 4 and the inner pipe 3 without dismantling nuts and screws, as shown in fig. 1 to 4, the secondary pressurizing mechanism of the variable frequency water supply device in the utility model firstly closes a power supply electrically connected with the outside when overhauling is needed, then the device is completely stopped and cooled, a switch of the upper push rod 5 electrically connected with the outside is opened, at the moment, the two upper push rods 5 are started and push the two connecting plates 2 downwards, the three outer pipes 4 connected with the two connecting plates 2 are pushed downwards together in the process of downwards moving the two connecting plates 2, when the outer pipe 4 is sheathed below with the inner pipe 3, the upper push rod 5 is stopped, overhauling staff observes whether an inner impeller and the like are damaged through an opening of the outer pipe 4, then cleaning and maintenance are carried out, after the upper end of the impeller is cleaned, the upper push rod 5 is restored, then the lower push rod 9 pushes the connecting plates 2 and the three inner pipes 3 to move upwards, the inner pipes 4 are inserted into the inner pipes 3, the inner pipes can be directly disassembled from the lower side through the outer pipe 3, and the outer pipes can be directly disassembled.

As shown in fig. 1-4, the outer wall of one motor 7 in the middle is fixedly connected with two upper brackets 6, and the outer walls of two upper push rods 5 are respectively fixedly connected with the two upper brackets 6. By providing two upper brackets 6, two push rods 5 can be supported so that they do not move upwards during operation.

As shown in fig. 1-4, two push down rods 9 are respectively positioned between three water outlet pipes 8, and two push up rods 5 are respectively positioned between three motors 7. The upper push rod 5 and the lower push rod 9 are respectively arranged between the three water outlet pipes 8 and the three motors 7, so that the stress is more uniform, the outer pipe 4 and the inner pipe 3 are not easy to deviate when ascending and descending, the cost is also saved, and too many push rods are not needed.

As shown in fig. 1 to 4, four connecting plates 2 connected to two upper push rods 5 and two lower push rods 9 are fixedly connected to the outer walls of two adjacent outer tubes 4 and two inner tubes 3 respectively. The four connecting plates 2 are respectively connected with the two adjacent outer pipes 4 and the inner pipe 3, so that when being pushed by the upper push rod 5 and the lower push rod 9, the two outer pipes 4 or the inner pipe 3 can be simultaneously pushed to move.

As shown in fig. 2, one end of the inner tube 3 far away from the outer tube 4 is sleeved on the outer wall of the water outlet tube 8. The inner pipe 3 is sleeved outside the water outlet pipe 8, so that collision with the water outlet pipe 8 is not easy to occur when the push rod 9 pushes the inner pipe 3 to move upwards.

The junction of outer tube 4 and inner tube 3 is provided with sealed pad, and the junction of inner tube 3 and outlet pipe 8 is provided with sealed pad. The sealing gasket is added to strengthen the internal sealing, so that water flows and the like do not need to flow out; it should be noted here, however, that the tightness of the seal needs to be greater than the air pressure inside the outer tube 4 and the inner tube 3, preventing air leakage. Of course, other sealing products with stronger air tightness can be adopted, and the sealing products are not particularly limited.

As shown in fig. 1 to 4, the lifting length of the upper push rod 5 and the lower push rod 9 is the same. The lifting lengths of the two are the same, so that the distance can be more equal to a greater extent when the outer tube 4 and the inner tube 3 are lifted and lowered, and the greater distance can be cleaned when the impeller is cleaned.

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 (7)

1. The utility model provides a variable frequency water supply equipment's secondary booster mechanism, includes variable frequency pump body (1), installs three outlet pipe (8) on variable frequency pump body (1) and installs three motor (7) on three outlet pipe (8), its characterized in that: two push rods (9) are fixedly connected to one side, close to the motor (7), of the variable frequency pump body (1), two upper push rods (5) are connected to one side, close to the variable frequency pump body (1), of the three motor (7), two connecting plates (2) are fixedly connected to the output ends of the two upper push rods (5) and the two lower push rods (9), three outer tubes (4) are connected between the two connecting plates (2) connected with the upper push rods (5), three inner tubes (3) are connected between the two connecting plates (2) connected with the lower push rods (9), and the three outer tubes (4) are respectively sleeved on the outer walls of the three inner tubes (3) and are in sliding connection.

2. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: the outer wall of one motor (7) in the middle is fixedly connected with two upper brackets (6), and the outer walls of the two upper push rods (5) are respectively and fixedly connected with the two upper brackets (6).

3. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: two lower push rods (9) are respectively positioned between the three water outlet pipes (8), and two upper push rods (5) are respectively positioned between the three motors (7).

4. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: four connecting plates (2) connected to the two upper push rods (5) and the two lower push rods (9) are fixedly connected with the outer walls of the two outer tubes (4) and the two inner tubes (3) which are adjacent to each other respectively.

5. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: one end of the inner pipe (3) far away from the outer pipe (4) is sleeved on the outer wall of the water outlet pipe (8).

6. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: the joint of the outer pipe (4) and the inner pipe (3) is provided with a sealing gasket, and the joint of the inner pipe (3) and the water outlet pipe (8) is provided with a sealing gasket.

7. The variable frequency water supply apparatus secondary boost mechanism of claim 1, wherein: the lifting length of the upper push rod (5) is the same as that of the lower push rod (9).