Shallow suction pump

Abstract

The utility model discloses a shallow suction pump, which relates to the technical field of fluid transportation equipment and comprises a base, a guide vane body, a motor, an impeller, an end cover and a mechanical seal gland, the base comprises a base outer cylinder and a base inner cylinder, the guide vane body comprises a guide vane outer cylinder and a guide vane inner cylinder, one end of the base outer cylinder is connected with one end of the guide vane outer cylinder, and the other end of the base outer cylinder is a liquid outlet. The motor is fixed in a sealing cavity formed by connecting the end cover, the machine base inner cylinder, the guide vane inner cylinder and the mechanical seal gland, an output shaft of the motor penetrates through the mechanical seal gland to be connected with the impeller, and an overflowing channel is formed between the inner surface of a whole pump outer cylinder formed by connecting the machine base outer cylinder and the guide vane outer cylinder and the outer surface of the sealing cavity. A first annular hoop table is arranged at the end of the liquid inlet, and a second annular hoop table is arranged at the end of the liquid outlet. The shallow suction pump provided by the utility model can be conveniently and quickly connected with a filter screen or a water hose, and can be used for diving, low water level and series cross-flow drainage.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid transportation equipment, in particular to a shallow suction pump. Background Art

[0002] At present, there are many down-suction pump products, including sewage pumps, down-suction deep well pumps, etc. Since the liquid inlet of the down-suction pump is below the pump, it has the characteristic of draining the accumulated water to the greatest extent. Therefore, it has been increasingly used in flood control and waterproofing, mobile drainage and other occasions.

[0003] However, when the water inlet of the existing water suction pump is connected with the filter screen or the water belt, it is very inconvenient to install, which is time-consuming and laborious. Therefore, it is necessary to design a water pump to solve the technical problem of the above-mentioned inconvenient installation. Utility Model Content

[0004] The utility model aims to provide a shallow suction pump to solve the problems existing in the above-mentioned prior art and can be connected to a filter screen or a water hose conveniently and quickly.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a shallow suction pump, comprising a machine base, a guide vane body, a motor, an impeller, an end cover and a machine seal gland, wherein the machine base comprises a machine base outer cylinder and a machine base inner cylinder arranged in the machine base outer cylinder, the guide vane body comprises a guide vane outer cylinder and a guide vane inner cylinder arranged in the guide vane outer cylinder, one end of the machine base outer cylinder is connected to one end of the guide vane outer cylinder, the other end of the machine base outer cylinder is a liquid outlet, the other end of the guide vane outer cylinder is a liquid inlet, the end of the machine base inner cylinder close to the liquid outlet is connected to the end cover, and the end close to the liquid inlet is connected to one end of the guide vane inner cylinder The other end of the guide vane body inner cylinder is connected to the machine seal gland, the motor is fixed in a sealed cavity formed by the end cover, the machine base inner cylinder, the guide vane body inner cylinder and the machine seal gland, the output shaft of the motor passes through the machine seal gland and is connected to the impeller, the impeller is arranged in the guide vane body outer cylinder, the machine base outer cylinder and the guide vane body outer cylinder are connected to form the outer cylinder of the whole pump, a flow channel is formed between the inner surface of the outer cylinder of the whole pump and the outer surface of the sealed cavity, a first annular hoop is provided at the end of the liquid inlet, and a second annular hoop is provided at the end of the liquid outlet.

[0007] Preferably, the side surface of the first annular hoop platform that cooperates with the clamp is an inclined surface, and the side surface of the second annular hoop platform that cooperates with the clamp is an inclined surface.

[0008] Preferably, the base outer cylinder and the base inner cylinder are fixedly connected via a rib plate.

[0009] Preferably, the outer cylinder of the guide vane body and the inner cylinder of the guide vane body are fixedly connected via guide vanes.

[0010] Preferably, the machine base outer cylinder and the guide vane body outer cylinder are fixedly connected by bolts.

[0011] Preferably, a handle is installed on the outer side wall of the outer cylinder of the base at one end close to the liquid outlet.

[0012] Preferably, a lifting ring is respectively provided on one end of the outer wall of the outer cylinder of the machine base close to the liquid outlet and on the outer wall of the outer cylinder of the guide vane body, and the two lifting rings are located on the same side.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The shallow suction pump provided by the utility model is convenient for connecting the filter screen to the liquid inlet through the clamp through the arrangement of the first annular hoop platform and the second annular hoop platform, and is convenient for connecting the water hose connector at the liquid inlet and the liquid outlet through the clamp to connect the water hose, and the installation is very quick. When the water pump is connected to the filter screen, it can be used horizontally or vertically; when used horizontally, it can be used for submerged drainage; when used vertically, the impeller is placed downward, the water pump requires a small flooding depth, and it can also drain water at a low water level, and can be used as a shallow suction pump; the interior of the water pump is a cross-flow structure, and the water pump inlet and outlet are connected to the water hose, which can be used for series cross-flow drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the shallow suction pump connected to the filter screen in the embodiment;

[0017] Figure 2 This is a schematic diagram of the internal structure when the shallow suction pump is connected to the filter screen in the embodiment;

[0018] Figure 3 It is a schematic diagram of a shallow suction pump and a water hose connected in series in an embodiment.

[0019] In the figure: 100-shallow suction pump, 1-motor, 2-impeller, 3-end cover, 4-machine seal cover, 5-machine base outer cylinder, 6-machine base inner cylinder, 7-guide vane body outer cylinder, 8-guide vane body outer cylinder, 9-flow channel, 10-first annular hoop platform, 11-second annular hoop platform, 12-filter screen, 13-clamp, 14-annular hoop platform, 15-water hose, 16-handle, 17-lifting ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model aims to provide a shallow suction pump to solve the problems existing in the prior art and can be connected to a filter screen or a water hose conveniently and quickly.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] like Figure 1-Figure 2 As shown, this embodiment provides a shallow suction pump 100, including a machine base, a guide vane body, a motor 1, an impeller 2, an end cover 3 and a machine seal gland 4, the machine base includes a machine base outer cylinder 5 and a machine base inner cylinder 6 arranged in the machine base outer cylinder 5, the guide vane body includes a guide vane outer cylinder 7 and a guide vane inner cylinder 8 arranged in the guide vane outer cylinder 7, one end of the machine base outer cylinder 5 is connected to one end of the guide vane outer cylinder 7, the other end of the machine base outer cylinder 5 is a liquid outlet, the other end of the guide vane outer cylinder 7 is a liquid inlet, the end of the machine base inner cylinder 6 close to the liquid outlet is connected to the end cover 3, the end close to the liquid inlet is connected to one end of the guide vane inner cylinder 8, and the other end of the guide vane inner cylinder 8 is connected to The motor 1 is connected with the machine seal gland 4, and the motor 1 is fixed in a sealed cavity formed by the end cover 3, the machine base inner cylinder 6, the guide vane body outer cylinder 8 and the machine seal gland 4 to prevent the motor 1 from being damaged by water. The output shaft of the motor 1 passes through the machine seal gland 4 and is connected with the impeller 2. The impeller 2 is arranged in the guide vane body outer cylinder 7. The machine base outer cylinder 5 and the guide vane body outer cylinder 7 are connected to form the outer cylinder of the whole pump. A flow channel 9 is formed between the inner surface of the outer cylinder of the whole pump and the outer surface of the sealed cavity. The motor 1 drives the impeller 2 to rotate, and the impeller blades drive the fluid to flow in the flow channel 9. A first annular hoop 10 is provided at the end of the liquid inlet, and a second annular hoop 11 is provided at the end of the liquid outlet.

[0024] In this embodiment, the liquid inlet of the shallow suction pump 100 and the filter screen 12 are connected by a clamp 13, and the annular hoop 14 on the filter screen 12 is clamped with the first annular hoop 10 by the clamp 13, which is convenient and quick to install; when the shallow suction pump 100 is connected to the filter screen 12, it can be used horizontally or vertically; when used horizontally, it can be used for submerged drainage; when used vertically, the impeller 2 is placed downward, the water pump requires a small flooding depth, and it can also drain water at a low water level, so it can be used as a shallow suction pump. When the shallow suction pump 100 is connected to the water hose 15, the liquid inlet and liquid outlet of the shallow suction pump 100 are connected to the water hose connector through the clamp 13 to connect the water hose 15, which is convenient and quick to install; Figure 3 As shown, the shallow suction pump 100 has a through-flow structure inside, which is connected in series with a water hose and can be used for through-flow drainage.

[0025] In this embodiment, the side surface of the first annular hoop 10 that cooperates with the clamp is an inclined surface, and the side surface of the second annular hoop 7 that cooperates with the clamp is an inclined surface. The clamp 13 applies a force to the first annular hoop 10 at the liquid inlet and the annular hoop 14 on the filter 12 through its inner V-shaped inclined surface, thereby tightening the two. When the shallow suction pump and the water hose are connected, the clamp 13 applies a force to the first annular hoop 10 at the liquid inlet and the annular hoop on the water hose adapter, and the second annular hoop 7 at the liquid outlet and the annular hoop on the water hose adapter through its inner V-shaped inclined surface, thereby tightening the two.

[0026] In this embodiment, the base outer cylinder 5 and the base inner cylinder 6 are fixedly connected via a rib plate.

[0027] In this embodiment, the guide vane body outer cylinder 7 and the guide vane body inner cylinder 8 are fixedly connected via guide vanes.

[0028] In this embodiment, the base outer cylinder 5 and the guide vane body outer cylinder 7 are fixedly connected by bolts, which is convenient for assembly and disassembly.

[0029] In this embodiment, a handle 16 is installed on one end of the outer wall of the base outer cylinder 1 close to the liquid outlet, so that the shallow suction pump 100 can be carried by the handle 16 .

[0030] In this embodiment, a lifting ring 17 is provided on the outer wall of the base outer cylinder 1 at one end close to the liquid outlet and on the outer wall of the guide vane body outer cylinder 7. The two lifting rings 17 are located on the same side, which facilitates the lifting of the shallow suction pump 100 through the two lifting rings 17.

[0031] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A shallow suction pump, characterized in that: It includes a machine base, a guide vane body, a motor, an impeller, an end cover and a machine seal gland, wherein the machine base includes a machine base outer cylinder and a machine base inner cylinder arranged in the machine base outer cylinder, the guide vane body includes a guide vane outer cylinder and a guide vane inner cylinder arranged in the guide vane outer cylinder, one end of the machine base outer cylinder is connected to one end of the guide vane outer cylinder, the other end of the machine base outer cylinder is a liquid outlet, the other end of the guide vane outer cylinder is a liquid inlet, the end of the machine base inner cylinder close to the liquid outlet is connected to the end cover, the end close to the liquid inlet is connected to one end of the guide vane inner cylinder, the guide vane The other end of the inner cylinder is connected to the machine seal gland, the motor is fixed in a sealed cavity formed by the end cover, the machine base inner cylinder, the guide vane inner cylinder and the machine seal gland, the output shaft of the motor passes through the machine seal gland and is connected to the impeller, the impeller is arranged in the guide vane outer cylinder, the machine base outer cylinder and the guide vane outer cylinder are connected to form the outer cylinder of the whole pump, the inner surface of the outer cylinder of the whole pump and the outer surface of the sealed cavity form a flow channel, the end of the liquid inlet is provided with a first annular hoop, and the end of the liquid outlet is provided with a second annular hoop.

2. The shallow suction pump according to claim 1, characterized in that: The side surface of the first annular hoop platform that cooperates with the clamp is an inclined surface, and the side surface of the second annular hoop platform that cooperates with the clamp is an inclined surface.

3. The shallow suction pump according to claim 1, characterized in that: The base outer cylinder and the base inner cylinder are fixedly connected via a rib plate.

4. The shallow suction pump according to claim 1, characterized in that: The outer cylinder of the guide vane body and the inner cylinder of the guide vane body are fixedly connected via guide vanes.

5. The shallow suction pump according to claim 1, characterized in that: The machine base outer cylinder and the guide vane body outer cylinder are fixedly connected by bolts.

6. The shallow suction pump according to claim 1, characterized in that: A handle is installed on one end of the outer wall of the outer cylinder of the base close to the liquid outlet.

7. The shallow suction pump according to claim 1, characterized in that: A lifting ring is respectively provided on one end of the outer wall of the outer cylinder of the machine base close to the liquid outlet and on the outer wall of the outer cylinder of the guide vane body, and the two lifting rings are located on the same side.

Images