CN210068488U - Double-suction structure of pneumatic submersible pump - Google Patents

Abstract

The utility model discloses a double suction structure of a pneumatic submersible pump, comprising a submersible pump. The submersible pump comprises a base, a water suction main pipe, a water outlet pipe and a driving shaft. The water suction main pipe is connected with two water suction branch pipes, and the two A detachable mounting seat is installed on the water suction branch pipe, a filter screen is fixedly installed on the mounting seat, a rotating shaft 2 is rotatably connected to the water suction main pipe, and a rotating shaft 1 is fixedly installed on the driving shaft, and A transmission structure is installed between the first rotating shaft and the second rotating shaft, the second rotating shaft is fixedly installed with a scraper through a fixing block, and a reinforcing structure is arranged between the two water suction branch pipes and the second rotating shaft. The advantages are: the utility model does not require an additional power source, uses the operation of the submersible pump itself to drive the scraper to rotate, and continuously cleans the surface of the filter screen during the water absorption process, so as to avoid the filtered insoluble impurities from adhering to the filter screen and affecting water absorption. operate.

Description

A double suction structure of a pneumatic submersible pump

technical field

The utility model relates to the technical field of submersible pumps, in particular to a double suction structure of a pneumatic submersible pump.

Background technique

Pneumatic submersible pump is a new type of drainage machinery with a pneumatic motor as the coaxial prime mover. It is easy to operate, easy to install and maintain, and also has the advantages of small size and light weight. used in engineering.

Double-suction pneumatic submersible pump is a kind of pneumatic submersible pump, which is widely used because of its advantages of large flow and high lift; double-suction pneumatic submersible pump has two suction branches, in order to avoid solid impurities in the water passing through the suction branch When entering the pump body, a filter screen will be installed on both suction branch pipes, and the filter screen will be cleaned before and after use.

The filter screen is only cleaned before and after use, and no structure is set up so that the filter screen can also be cleaned during the water absorption process. The normal use of suction air submersible pumps.

Utility model content

The purpose of the utility model is to propose a double suction structure of a pneumatic submersible pump in order to solve the problems raised in the background technology.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A double suction structure of a pneumatic submersible pump, comprising a submersible pump, the submersible pump includes a base, a water suction main pipe, a water outlet pipe, and a driving shaft, the water suction main pipe is connected with two water suction branch pipes, and the two water suction branch pipes are A detachable mounting seat is installed, a filter screen is fixedly installed on the mounting seat, a rotating shaft 2 is rotatably connected to the water suction main pipe, a rotating shaft 1 is fixedly installed on the driving shaft, and the rotating shaft 1 and the rotating shaft 2 A transmission structure is installed between the two rotating shafts, a scraper rod is fixedly installed on the second rotating shaft through a fixing block, and a reinforcing structure is arranged between the two water suction branch pipes and one rotating shaft two.

In the above-mentioned double suction structure of a pneumatic submersible pump, a stepped hole 1 is provided on both of the mounting seats, and the stepped hole 1 is composed of a groove 1 and a groove 2, and the groove 1 and the groove 1 are composed of groove 1 and groove 2. The two are communicated with each other, and the inner wall of the first groove is provided with a thread matched with the water suction branch pipe, and the filter screen is fixed on the corresponding second groove.

In the above-mentioned double-suction structure of a pneumatic submersible pump, a second stepped hole is provided on the water suction main pipe, and the second stepped hole is composed of a third groove and a fourth groove, and the third groove and the fourth groove are communicated with each other. , and the groove 3 is located above the groove 4, the bearing 2 matched with the second shaft is installed on the groove 3, and the sealing ring matched with the shaft 2 is fixed and pasted on the groove 4.

In the above-mentioned double suction structure of a pneumatic submersible pump, the transmission structure is composed of a helical gear 1 and a helical gear 2, and the helical gear 1 is fixedly sleeved on the rotating shaft 1, and the helical gear 2 is fixedly sleeved on the rotating shaft 2. , and the first helical gear and the second helical gear mesh with each other.

In the above-mentioned double suction structure of a pneumatic submersible pump, a mounting block is fixedly installed inside the water suction main pipe through a plurality of connecting rods, and one end of the second rotating shaft and the one end of the rotating shaft are both rotatably connected to the mounting block.

In the above-mentioned double suction structure of a pneumatic submersible pump, the reinforcing structure consists of a reinforcing rod, a mounting hole and a bearing, a reinforcing rod is fixedly installed between the two water suction branch pipes, and the reinforcing rod is provided with There is an installation hole, and a bearing 1 matched with the second rotating shaft is fixedly installed on the installation hole.

Compared with the existing technology, the utility model has the advantages of:

1: By installing a filter screen on the upper port of the water suction branch pipe, the solid impurities mixed in the water are blocked during the water absorption process, so as to prevent a large number of fixed impurities from directly entering the inside of the submersible pump. The surface of the filter screen is cleaned to prevent the insoluble impurities from being filtered from adhering to the filter screen and affecting the water absorption operation.

2: The rotation of the scraper does not require an additional power source, and the rotation of the driving shaft is used as the power source for the rotation of the scraper, and the scraper is driven to perform the cleaning operation through the cooperation of the first and second helical gears.

3: Set the scraper into a diamond shape to reduce the impact of the cleaning process on water absorption, and the cleaning process will only affect the water absorption operation of one water suction branch pipe, and will not affect the water absorption of the other water suction branch pipe, so that the overall water absorption is affected. impact is low.

To sum up, the utility model does not require an additional power source, uses the operation of the submersible pump itself to drive the scraper to rotate, and continuously cleans the surface of the filter screen during the water absorption process to prevent the filtered insoluble impurities from adhering to the filter screen. Affects suction operation.

Description of drawings

Fig. 1 is the structural representation of a kind of pneumatic submersible pump double suction structure proposed by the utility model;

Fig. 2 is the structural cross-sectional view of the mounting seat part in Fig. 1;

Fig. 3 is the structural representation of the mounting seat in Fig. 2;

FIG. 4 is a schematic view of the end surface of the scraper rod in FIG. 2 .

In the picture: 1 base, 2 suction main pipe, 3 water outlet pipe, 4 suction branch pipe, 5 driving shaft, 6 mounting seat, 7 groove one, 8 groove two, 9 filter screen, 10 connecting rod, 11 mounting block, 12 rotating shaft One, 13 shaft two, 14 helical gear one, 15 helical gear two, 16 fixed block, 17 scraper rod, 18 reinforcement rod, 19 bearing one.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

1-4, a double suction structure of a pneumatic submersible pump, including a submersible pump, the submersible pump includes a base 1, a water suction main pipe 2, a water outlet pipe 3, and a driving shaft 5, and this part is a common part of the existing pneumatic submersible pump, Reference can be made to the patent document with the patent number of CN 208203584 U.

The water suction main pipe 2 is connected with two water suction branch pipes 4, a detachable mounting seat 6 is installed on the two water suction branch pipes 4, and a filter screen 9 is fixedly installed on the mounting seat 6, and the setting of the filter screen 9 avoids more impurities Enter the inside of the submersible pump through the suction branch pipe 4 .

The two mounting seats 6 are provided with a stepped hole 1, and the stepped hole 1 is composed of a groove 1 7 and a groove 2 8, and the groove 1 7 and the groove 2 8 are connected to each other, and the inner wall of the groove 1 7 is connected. There are threads matching with the water suction branch pipe 4, and the filter screen 9 is fixed on the corresponding groove 2 8, and the mounting seat 6 can be disassembled from the water suction branch pipe 4 for easy replacement or cleaning.

A rotating shaft 2 13 is rotatably connected to the water suction main pipe 2, and a stepped hole 2 is opened on the water suction main pipe 2. The stepped hole 2 is composed of a groove 3 and a groove 4, and the groove 3 and the groove 4 are connected with each other, and the groove 3 is connected to each other. Located above the fourth groove, the third groove is installed with the second bearing matched with the second rotating shaft 13 , and the fourth groove is fixedly pasted with a sealing ring matched with the second rotating shaft 13 .

A rotating shaft 12 is fixedly installed on the driving shaft 5, and a transmission structure is installed between the rotating shaft 1 12 and the rotating shaft 2 13. The transmission structure is composed of a helical gear 1 14 and a helical gear 2 15, and the helical gear 1 14 is fixedly sleeved on the rotating shaft. One 12, and the second helical gear 15 is fixedly sleeved on the second rotating shaft 13, and the first helical gear 14 and the second helical gear 15 mesh with each other.

A mounting block 11 is fixedly installed inside the water suction main pipe 2 through a plurality of connecting rods 10, and one end of the rotating shaft 2 13 and the rotating shaft one 12 are both rotatably connected to the mounting block 11. The rotation of 13 plays a supporting role and improves the stability during the rotation of the two.

The second rotating shaft 13 is fixedly installed with a scraper rod 17 through the fixing block 16, and a reinforcing structure is arranged between the two water suction branch pipes 4 and one rotating shaft two 13, and the reinforcing structure is composed of a reinforcing rod 18, a mounting hole and a bearing one 19. A reinforcing rod 18 is fixedly installed between 4, the reinforcing rod 18 is provided with a mounting hole, and a bearing one 19 matched with the second rotating shaft 13 is fixedly mounted on the mounting hole.

It is further stated that the above-mentioned fixed connection should be understood in a broad sense unless otherwise specified and limited. For example, it may be welding, gluing, or a conventional means known to those skilled in the art, such as integral molding.

In the utility model, the driving shaft 5 is in a rotating state when the submersible pump absorbs water, the driving shaft 5 rotates and drives the rotating shaft 12 fixedly connected with it to rotate, and the rotating shaft 1 12 rotates through the helical gear 1 14 and the helical gear 2 15 to drive the rotating shaft 2 13 Rotation, the rotation of the second shaft 13 drives the scraper rod 17 to rotate through the fixed block 16, and the rotation of the scraper rod 17 plays an intermittent cleaning effect on the two filters 9. By setting the scraper rod 17 into a diamond shape, the impact of the cleaning process on water absorption is reduced. In addition, the cleaning process will only affect the water absorption operation of one water suction branch pipe 4, and will not affect the water absorption of the other water suction branch pipe 4, so that the overall water absorption is less affected.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Claims (6)

1. A double-suction structure of a pneumatic submersible pump comprises the submersible pump, the submersible pump comprises a base (1), a main water suction pipe (2), a water outlet pipe (3) and a driving shaft (5), it is characterized in that the main water absorption pipe (2) is communicated with two branch water absorption pipes (4), the two branch water absorption pipes (4) are respectively provided with a detachable mounting seat (6), a filter screen (9) is fixedly arranged on the mounting seat (6), the water absorption main pipe (2) is rotatably connected with a rotating shaft II (13), the driving shaft I (5) is fixedly provided with a rotating shaft I (12), and install transmission structure between pivot one (12) and pivot two (13), pivot two (13) have through fixed block (16) fixed mounting scrape pole (17), two be equipped with additional strengthening between branch water absorption pipe (4) and a pivot two (13).

2. The double-suction structure of the pneumatic submersible pump according to claim 1, wherein the two mounting seats (6) are respectively provided with a first stepped hole which is composed of a first groove (7) and a second groove (8), the first groove (7) and the second groove (8) are communicated with each other, the inner wall of the first groove (7) is provided with threads matched with the water suction branch pipe (4), and the filter screen (9) is fixed on the corresponding second groove (8).

3. The double-suction structure of the pneumatic submersible pump according to claim 1, wherein the main water suction pipe (2) is provided with a second stepped hole, the second stepped hole is composed of a third groove and a fourth groove, the third groove is communicated with the fourth groove, the third groove is located above the fourth groove, the third groove is provided with a second bearing matched with the second rotating shaft (13), and the fourth groove is fixedly bonded with a sealing ring matched with the second rotating shaft (13).

4. The double suction structure of the pneumatic submersible pump according to claim 1, wherein the transmission structure comprises a first helical gear (14) and a second helical gear (15), the first helical gear (14) is fixedly sleeved on the first rotating shaft (12), the second helical gear (15) is fixedly sleeved on the second rotating shaft (13), and the first helical gear (14) and the second helical gear (15) are meshed with each other.

5. The double-suction structure of the pneumatic submersible pump according to claim 1, wherein a mounting block (11) is fixedly mounted inside the main water suction pipe (2) through a plurality of connecting rods (10), and one ends of the second rotating shaft (13) and the first rotating shaft (12) are rotatably connected to the mounting block (11).

6. The double-suction structure of the pneumatic submersible pump according to claim 1, wherein the reinforcing structure is composed of a reinforcing rod (18), mounting holes and a first bearing (19), one reinforcing rod (18) is fixedly mounted between the two water suction branch pipes (4), the reinforcing rod (18) is provided with the mounting holes, and the first bearing (19) matched with the second rotating shaft (13) is fixedly mounted on the mounting holes.

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