CN218062821U - Well pump - Google Patents

Abstract

The utility model relates to a well pump relates to the technical field of water pump, which comprises a pump body, the pump body on be equipped with the extrusion chamber, the extrusion chamber with the pump body between connect through the locking bolt, the extrusion chamber include the inner chamber and the outer chamber of coaxial setting, inner chamber with outer chamber be linked together, the locking bolt be located the outer chamber in. This application has the advantage that the flow is big and be convenient for maintain.

Description

Well pump

Technical Field

The application relates to the technical field of water pumps, in particular to a well pump.

Background

A well pump (well pump) is a water pump that pumps water by submerging an impeller in a well. With the rapid development of the water pump industry, the demand of users for small-bore well diameter, high lift and large flow is increasingly obvious, and the development potential of the variable-frequency high-rotation-speed water pump is strong. The 4-inch high-speed water pump has the characteristics of small volume, large flow and the like; however, in actual production, the maximum outer diameter of the water pump is limited by the well diameter, the size of the large-flow type water outlet caliber can exceed the pump diameter, and the extrusion chamber of the conventional water pump is limited by the connection mode, so that the water outlet is limited. In order to achieve the purpose of enlarging a water outlet of the conventional high-speed well pump, a pressing chamber and a pump body of the well pump are connected by screwing each other through threads. The condition that the customer is inconvenient to maintain (the pipe tongs are needed to be used for disassembling, and general users do not have at home) universally exists in the mode, and the pipe tongs can only be taken to a maintenance point for maintenance, so that the time and the labor are wasted.

SUMMERY OF THE UTILITY MODEL

To the deficiencies that exist in the prior art, one of the objectives of the present application is to provide a well pump that has the advantages of large flow and convenient maintenance.

The above object of the present application is achieved by the following technical solutions:

a well pump comprises a pump body, wherein an extrusion chamber is arranged on the pump body, the extrusion chamber is connected with the pump body through a locking bolt, the extrusion chamber comprises an inner chamber and an outer chamber which are coaxially arranged, the inner chamber is communicated with the outer chamber, and the locking bolt is positioned in the outer chamber.

Through adopting above-mentioned technical scheme, when using, because the locking bolt is located the exocoel indoor, consequently can keep great delivery port, realize large-traffic purpose, through the dismantlement to the locking bolt to can reach the change and the maintenance to the extrusion chamber, thereby the user of being more convenient for oneself dismantles.

The present application may be further configured in a preferred example to: the inner chamber be equipped with solid fixed ring, gu fixed ring be used for rotating the one end of connecting in the axis of rotation, gu fixed ring with the chamber wall fixed connection of inner chamber.

Through adopting above-mentioned technical scheme, when using, solid fixed ring exists and is used for supporting the axis of rotation for the axis of rotation rotates more stably.

The application may be further configured in a preferred example to: inner chamber be equipped with the connecting block, the one end and the solid fixed ring fixed connection of connecting block, the other end of connecting block and inner chamber's inner wall be connected, adjacent contained angle between the connecting block equals.

Through adopting above-mentioned technical scheme, when using, because the contained angle between the adjacent connecting block equals for better, more stable to solid fixed ring's support effect.

The present application may be further configured in a preferred example to: the surface of the connecting block extending along the axis direction of the pump body is an arc-shaped surface.

Through adopting above-mentioned technical scheme, when using, the existence of arcwall face makes the connecting block better with the connection effect who extrudes the room.

The present application may be further configured in a preferred example to: the pump body is provided with a positioning hole, a positioning pin is arranged in the positioning hole, and a threaded hole used for being in threaded connection with the locking bolt is formed in the positioning pin.

Through adopting above-mentioned technical scheme, when using, the existence of locating pin makes the effect of being connected between the extrusion chamber and the pump body better.

The present application may be further configured in a preferred example to: the extrusion chamber is provided with a positioning groove for accommodating the positioning pin.

Through adopting above-mentioned technical scheme, when using, the existence of constant head tank makes the joint strength of extrusion chamber and pump body further strengthen.

The present application may be further configured in a preferred example to: the pump body on still be equipped with into water festival, the water festival with the pump body can dismantle the connection.

Through adopting above-mentioned technical scheme, the festival of intaking can be dismantled with the pump body and be connected and be convenient for the user to change and overhaul the festival of intaking.

The present application may be further configured in a preferred example to: the water inlet joint is provided with a first hole and a second hole which are concentrically arranged, the pump body is provided with a fixing hole, the pump body is provided with a first connecting piece and a second connecting piece, the first connecting piece penetrates through the fixing hole and is fixedly connected with the first hole, and the second connecting piece penetrates through the first connecting piece and is fixedly connected with the second hole.

Through adopting above-mentioned technical scheme, in the use, locking effect is better, can reduce because of the high rotational speed of water pump opens and stops the probability that vibrations caused the water inlet festival to fix not firm.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

FIG. 2 is a schematic sectional view of the connection between the water inlet joint and the pump body.

Fig. 3 is a schematic sectional view of the connection between the extrusion chamber and the pump body.

Fig. 4 is a schematic view of a fixed ring structure of the present application.

Reference numerals: 1. a pump body; 11. a fixing hole; 12. positioning holes; 2. a water inlet joint; 21. a first hole; 22. a second hole; 3. an extrusion chamber; 31. an inner chamber; 32. an outer chamber; 33. positioning a groove; 41. a rotating shaft; 42. an impeller; 51. a first connecting piece; 52. a second connecting piece; 6. positioning pins; 61. a threaded hole; 7. locking the bolt; 8. a fixing ring; 81. connecting blocks; 82. and (5) reinforcing ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses well pump, including the pump body 1, set up the festival 2 and the extrusion chamber 3 of setting at the 1 other end of the pump body of intaking in the 1 one end of the pump body. The pump body 1 is provided with a rotating shaft 41 and an impeller 42, and the impeller 42 is mounted on the rotating shaft 41 and is rotated by the rotating shaft 41. One end of the pump body 1, which is close to the water inlet joint 2, is provided with a fixing hole 11, the water inlet joint 2 is provided with a first hole 21 and a second hole 22, the first hole 21 and the second hole 22 are coaxially arranged, the aperture of the second hole 22 is smaller than that of the first hole 21, and the distance between the second hole 22 and the axis of the water pump is smaller than that between the first hole 21 and the axis of the water pump. The first connecting piece 51 penetrates through the fixing hole 11 and is fixedly connected with the first hole 21, so that the pump body 1 and the water inlet joint 2 are fixedly connected, the first connecting piece 51 is arranged in a hollow mode, and the second connecting piece 52 penetrates through the first connecting piece 51 and is in threaded connection with the second hole 22. In this embodiment, the connection manner of the first connecting member 51 and the first hole 21 may be a fixed connection manner such as a threaded connection or an interference fit connection. The second connector 52 and the first connector 51 can also be connected by threads.

The extrusion chamber 3 comprises an inner chamber 31 and an outer chamber 32 which are coaxially arranged and communicated, the outer chamber 32 and the inner chamber 31 are both cylindrical, the inner diameter of the outer chamber 32 is larger than that of the inner chamber 31, a locking bolt 7 is arranged in the outer chamber 32, and the locking bolt 7 extends along the axial direction of the pump body 1 and penetrates through the outer chamber 32. One end of the pump body 1 close to the extrusion chamber 3 is also provided with a positioning hole 12, a positioning pin 6 is arranged in the positioning hole 12, the extrusion chamber 3 is provided with a positioning groove 33 for containing the positioning pin 6, and the axis of the positioning pin 6 is vertical to the axis of the water pump. The positioning pin 6 extends into the positioning groove 33 and a threaded hole 61 used for being connected with the locking bolt 7 is formed in the position, located in the positioning groove 33, of the positioning pin 6, and one end of the locking bolt 7 extends into the positioning groove 33 and is fixedly connected with the positioning pin 6 through the threaded hole 61.

Be equipped with solid fixed ring 8, connecting block 81 and strengthening rib 82 in the interior chamber 31, connecting block 81 has a plurality ofly and the contained angle between the adjacent connecting block 81 equals, and the one end of connecting block 81 and solid fixed ring 8's outer wall fixed connection, the inner wall fixed connection of the other end and interior chamber 31. One end of the rotating shaft 41 is rotatably connected to the fixing ring 8, and the other end is rotated by the motor. The surface of the connecting block 81 extending along the axial direction of the pump body 1 is an arc-shaped surface. The reinforcing ribs 82 are disposed at one end of the inner chamber 31 close to the outer chamber 32 and are uniformly distributed in the inner chamber 31.

The implementation principle of the embodiment is as follows: in use, when needing to overhaul the extrusion chamber 3, can reach the purpose through dismantling locking bolt 7, because locking bolt 7 is located outer cavity 32, has released the restriction of 3 bores of extrusion chamber to flow simultaneously, can satisfy the demand of customer to the large-traffic high-lift of path well pump.

The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A well pump, characterized by: including the pump body (1), the pump body (1) on be equipped with extrusion chamber (3), extrusion chamber (3) with the pump body (1) between connect through locking bolt (7), extrusion chamber (3) including inner chamber (31) and outer chamber (32) of coaxial setting, inner chamber (31) with outer chamber (32) be linked together, locking bolt (7) be located outer chamber (32) in.

2. A well pump as defined in claim 1, wherein: inner chamber (31) be equipped with solid fixed ring (8), solid fixed ring (8) be used for rotating the one end of connecting in axis of rotation (41), solid fixed ring (8) with the chamber wall fixed connection of inner chamber (31).

3. A well pump as defined in claim 2, wherein: inner chamber (31) be equipped with connecting block (81), one end and solid fixed ring (8) fixed connection of connecting block (81), the other end of connecting block (81) be connected with the inner wall of inner chamber (31), it is adjacent contained angle between connecting block (81) equals.

4. A well pump as defined in claim 3, wherein: the surface of the connecting block (81) extending along the axis direction of the pump body (1) is an arc-shaped surface.

5. A well pump as defined in claim 1, wherein: the pump body (1) on be equipped with locating hole (12), locating hole (12) in be equipped with locating pin (6), locating pin (6) on be equipped with be used for with locking bolt (7) threaded connection's screw hole (61).

6. A well pump as defined in claim 5, wherein: the extrusion chamber (3) is provided with a positioning groove (33) for accommodating the positioning pin (6).

7. A well pump as defined in claim 1, wherein: the pump body (1) on still be equipped with into water festival (2), into water festival (2) with the pump body (1) can dismantle the connection.

8. A well pump as defined in claim 7, wherein: water inlet joint (2) on be equipped with hole one (21) and hole two (22) of concentric setting, the pump body (1) on be equipped with fixed orifices (11), the pump body (1) on be equipped with connecting piece (51) and connecting piece two (52), fixed orifices (11) and hole one (21) fixed connection are passed in connecting piece one (51), connecting piece two (52) pass connecting piece one (51) and hole two (22) fixed connection.

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