CN113090534B

CN113090534B - Water pump that upright used

Info

Publication number: CN113090534B
Application number: CN202110400668.5A
Authority: CN
Inventors: 蔡锦杰
Original assignee: TAIZHOU YANGCHUN ELECTRIC MOTOR CO Ltd
Current assignee: TAIZHOU YANGCHUN ELECTRIC MOTOR CO Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-07-08
Anticipated expiration: 2041-04-14
Also published as: CN113090534A

Abstract

The invention provides a water pump used vertically, and belongs to the technical field of machinery. The vertically used water pump comprises a motor frame, a pump shell with a water inlet section and a water outlet section, an outer barrel vertically arranged between the motor frame and the pump shell, and an impeller assembly arranged in the outer barrel, wherein the impeller assembly comprises an inlet communicated with the water inlet section and an outlet communicated with the outer barrel; the side wall of the upper end of the outer barrel is inwards bent to form a barrel with an approximately L-shaped axial section, the barrel consists of a ring part I parallel to the outer barrel and a ring part II used for connecting the ring part I and the outer barrel, an annular groove is formed between the ring part I and the inner wall of the outer barrel, an annular rubber body is fixed in the annular groove, and the inner side wall and the outer side wall of the rubber body respectively abut against the outer wall of the ring part I and the inner wall of the outer barrel; the outlet is opposite to the first ring part, and the axis of the outlet is perpendicular to the axis of the first ring part. The invention has stable structure.

Description

Water pump that upright used

Technical Field

The invention belongs to the technical field of machinery, and relates to a water pump, in particular to a water pump used vertically.

Background

A water pump for upright use generally comprises a pump housing, a motor frame, an impeller vane assembly, an outer barrel and a shaft. Wherein, the pump shell is provided with a water inlet section, a water outlet section and a water passing cavity communicated with the water inlet section and the water outlet section; the motor frame is positioned above the pump shell, and the pump shell is fixedly connected with the motor frame through bolts; the outer cylinder is vertically positioned between the motor frame and the pump shell, and the lower end of the outer cylinder is communicated with the outlet; the impeller vane assembly is disposed within the outer barrel and is driven by the shaft. When the impeller guide vane assembly is used, fluid in the water inlet section is upwards pumped into the outer barrel and then is discharged into the outlet through the outer barrel.

In an actual product, the outer cylinder is positioned as follows: the pump shell and the motor frame are respectively provided with an annular groove, a rubber pad with annular sockets is arranged in the annular groove, and two ends of the outer barrel are respectively inserted into the two annular sockets to realize sealing and positioning. However, after long-term use, because the rubber pad is aged or worn, a gap is gradually generated between the outer cylinder and the rubber pad, so that the outer cylinder shakes, and the use is affected.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a water pump which is stable in structure and is used vertically.

The purpose of the invention can be realized by the following technical scheme: a water pump used vertically comprises a motor frame, a pump shell with a water inlet section and a water outlet section, an outer barrel vertically arranged between the motor frame and the pump shell, and an impeller assembly arranged in the outer barrel, wherein the impeller assembly comprises an inlet communicated with the water inlet section and an outlet communicated with the outer barrel, and the lower end of the outer barrel is communicated with the water outlet section; the side wall of the upper end of the outer barrel is inwards bent to form a barrel with an approximately L-shaped axial section, the barrel consists of a ring part I parallel to the outer barrel and a ring part II used for connecting the ring part I and the outer barrel, an annular groove is formed between the ring part I and the inner wall of the outer barrel, an annular rubber body is fixed in the annular groove, and the inner side wall and the outer side wall of the rubber body are respectively abutted against the outer wall of the ring part I and the inner wall of the outer barrel; the outlet is opposite to the first ring part, and the axis of the outlet is vertical to the axis of the first ring part.

During the use, along export axial impact on ring portion one by export exhaust fluid to utilize the impact that rubber body buffering ring portion one received, set up urceolus and motor frame and pump case direct hard contact again simultaneously, play powerful support to the urceolus, effectively reduce the urceolus and take place the probability of vibration, structural stability is better.

In the water pump used vertically, the rubber ring is fixedly arranged on the top wall of the second ring part, the rubber ring is coaxial with the second ring part, and two end faces of the rubber ring are respectively tightly attached to the second ring part and the motor frame to form sealing, so that the sealing effect between the outer cylinder and the motor frame is enhanced, and the friction formed between the outer cylinder and the motor frame is increased to improve the structural stability.

In foretell water pump of standing vertically and using, the vertical connecting hole that is equipped with on the two roof of ring portion, the connecting hole have at least two and along the circumference equipartition of ring portion two, have the connecting block that shape and size all match with the connecting hole on the rubber ring, connecting block and connecting hole quantity the same and position one-to-one, every connecting block all inlays to be established in the connecting hole that corresponds to the stability of being connected of reinforcing rubber ring and urceolus.

In the water pump used vertically, the rubber ring and the connecting block are of an integrated structure and are molded on the ring part II in an injection molding mode.

In foretell upright water pump that uses, the connecting hole is the through-hole, and the connecting block extends downwards to the rubber body to the high temperature that utilizes the production of moulding plastics makes connecting block and rubber body adhesion be a whole, makes rubber body and rubber ring motion of pinning each other, effectively strengthens rubber body, rubber ring and urceolus three's joint strength and stability, thereby improves structural stability.

In foretell water pump that erects and use, the connecting hole is the toper, and the aperture of connecting hole diminishes downwards gradually to utilize the tapering to lead the connecting block downwardly extending, improve structural stability.

In the water pump used vertically, the side wall of the lower end of the outer cylinder is bent inwards to form an annular flange, an annular rubber pad is clamped between the flange and the pump shell, and the rubber pad is coaxial with the outer cylinder.

In the above-mentioned water pump that stands vertically and uses, the shape and the size of the rubber body all match with the ring channel, have on the lateral wall of ring portion one and be conical leading-in face, leading-in face extends to ring portion one diapire, and the diameter of leading-in face diminishes downwards gradually to the rubber body is installed into.

Compared with the prior art, the water pump used vertically has the following advantages:

1. during the use, along export axial impact on ring portion one by export exhaust fluid to utilize the impact that rubber body buffering ring portion one received, set up urceolus and motor frame and pump case direct hard contact again simultaneously, play powerful support to the urceolus, effectively reduce the urceolus and take place the probability of vibration, structural stability is better.

2. The rubber body utilizes injection moulding to be connected with the rubber ring at the connecting block in the connecting hole and forms a whole, makes rubber body and rubber ring pin motion each other, effectively strengthens rubber body, rubber ring and urceolus three's joint strength and stability to improve structural stability.

Drawings

Fig. 1 is a schematic view showing the structure of a water pump for upright use.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is a schematic structural view of the outer tub.

Fig. 4 is an enlarged schematic view of B in fig. 1.

In the figure, 1, a motor frame; 2. a pump housing; 2a, a water inlet section; 2b, a water outlet section; 3. an outer cylinder; 3a, a cylinder body; 3a1, ring one; 3a2, ring two; 3a3, connecting hole; 3b, a flange; 3c, a lead-in surface; 3d, an annular groove; 4. a bolt; 5. an impeller assembly; 5a, an outlet; 6. a convex ring; 7. a rubber body; 8. a rubber ring; 8a, connecting blocks; 9. and (7) a rubber pad.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the water pump for vertical use includes a motor frame 1, a pump casing 2, an outer cylinder 3 vertically disposed between the pump casing 2 and the motor frame 1, and an impeller assembly 5 disposed in the outer cylinder 3, and the pump casing 2 and the motor frame 1 are fixed together by bolts 4.

Wherein the content of the first and second substances,

the inner cavity of the pump shell 2 comprises a water inlet section 2a, a water outlet section 2b and a water passing cavity communicated with the water inlet section 2a and the water outlet section 2 b.

Impeller subassembly 5 is including the entry of intercommunication section 2a of intaking and the export 5a of intercommunication urceolus 3, and this impeller subassembly 5 includes stator, impeller and pivot, and the pivot is vertical setting, and the pivot upper end extends to motor frame 1 for connect the motor that links firmly with motor frame 1.

The pump shell 2 and the motor frame 1 are both provided with convex rings 6, and the two convex rings 6 are arranged just opposite to each other and are coaxial with the outer barrel 3. Two ends of the outer cylinder 3 are respectively inserted into the two convex rings 6, and the outer side wall of the outer cylinder 3 is tightly contacted with the inner side wall of the convex ring 6 to form sealing. The pump shell 2 is provided with a water guide hole which leads the lower end of the outer cylinder 3 to be communicated with the water outlet section 2 b.

As shown in fig. 2 and 3, the upper end side wall of the outer cylinder 3 is bent inward to form a cylinder 3a with an axial section being substantially "L" shaped, and the cylinder 3a is composed of a ring portion one 3a1 parallel to the outer cylinder 3 and a ring portion two 3a2 for connecting the ring portion one 3a1 and the outer cylinder 3. Wherein, an annular groove 3d is formed between the first ring part 3a1 and the inner wall of the outer cylinder 3, and the annular groove 3d is coaxial with the outer cylinder 3. An annular rubber body 7 is fixed in the annular groove 3d, the shape and the size of the rubber body 7 are matched with those of the annular groove 3d, and the inner side wall and the outer side wall of the rubber body 7 are respectively abutted against the outer wall of the first ring part 3a1 and the inner wall of the outer cylinder 3; the outlet 5a is disposed directly opposite the ring portion one 3a1, and the axis of the outlet 5a is perpendicular to the axis of the ring portion one 3a 1. Preferably, the contact part of the rubber body 7 and the outer cylinder 3 is coated with glue to enhance the positioning strength and stability of the rubber body 7. When the vibration-proof pump is used, fluid discharged from the outlet 5a impacts the ring part I3 a1 along the axial direction of the outlet 5a, so that the rubber body 7 is used for buffering impact on the ring part I3 a1, and meanwhile, the outer barrel 3 is arranged to be in direct hard contact with the motor frame 1 and the pump shell 2, so that the outer barrel 3 is strongly supported, the vibration probability of the outer barrel 3 is effectively reduced, and the structural stability is good.

Further, the rubber ring 8 is fixedly arranged on the top wall of the second ring part 3a2, the rubber ring 8 is coaxial with the second ring part 3a2, and two end faces of the rubber ring 8 are respectively tightly attached to the second ring part 3a2 and the motor frame 1 to form sealing, so that the sealing effect between the outer barrel 3 and the motor frame 1 is enhanced, friction formed between the outer barrel 3 and the motor frame 1 is increased, and the structural stability is improved. Furthermore, the top wall of the second ring part 3a2 is vertically provided with connecting holes 3a3, at least two connecting holes 3a3 are uniformly distributed along the circumferential direction of the second ring part 3a2, the rubber ring 8 is provided with connecting blocks 8a with the shapes and the sizes matched with the connecting holes 3a3, the connecting blocks 8a and the connecting holes 3a3 have the same number and the positions in one-to-one correspondence, and each connecting block 8a is embedded in the corresponding connecting hole 3a3 so as to enhance the connecting stability of the rubber ring 8 and the outer cylinder 3.

In the present embodiment, it is preferred that,

preferably, the number of the connection holes 3a3 and the connection block 8a is 4.

The rubber ring 8 and the connecting block 8a are of an integrated structure and are formed on the ring part II 3a2 in an injection molding mode; connecting hole 3a3 is the through-hole, and connecting block 8a downwardly extending to the rubber body 7 to the high temperature that utilizes the production of moulding plastics makes connecting block 8a and rubber body 7 adhesion be a whole, makes rubber body 7 and rubber ring 8 motion of pinning each other, effectively strengthens rubber body 7, rubber ring 8 and urceolus 3 three's joint strength and stability, thereby improves structural stability. Preferably, the connection hole 3a3 is tapered, and the diameter of the connection hole 3a3 is gradually reduced downward, so that the downward extension of the connection block 8a is guided by the taper to improve the structural stability.

As shown in fig. 4, the sidewall of the lower end of the outer cylinder 3 is bent inward to form an annular rib 3b, the rib 3b is coaxial with the outer cylinder 3, an annular rubber pad 9 is clamped between the rib 3b and the pump housing 2, and the rubber pad 9 is coaxial with the outer cylinder 3, so as to enhance the sealing effect formed between the outer cylinder 3 and the pump housing 2. The outer side wall of the ring part 3a1 is provided with a tapered leading-in surface 3c, the leading-in surface 3c extends to the bottom wall of the ring part 3a1, and the diameter of the leading-in surface 3c is gradually reduced downwards so as to facilitate the installation of the rubber body 7.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The water pump used vertically comprises a motor frame (1), a pump shell (2) with a water inlet section (2a) and a water outlet section (2b), an outer barrel (3) vertically arranged between the motor frame (1) and the pump shell (2) and an impeller assembly (5) arranged in the outer barrel (3), wherein the impeller assembly (5) comprises an inlet communicated with the water inlet section (2a) and an outlet (5a) communicated with the outer barrel (3), the lower end of the outer barrel (3) is communicated with the water outlet section (2b), the water pump is characterized in that the pump shell (2) and the motor frame (1) are respectively provided with a convex ring (6), the two convex rings (6) are opposite to each other and are coaxial with the outer barrel (3), two ends of the outer barrel (3) are respectively inserted into the two convex rings (6), and the outer side wall of the outer barrel (3) is in close contact with the inner side wall of the convex ring (6); the side wall of the upper end of the outer cylinder (3) is inwards bent to form a cylinder body (3a) with an approximately L-shaped axial section, the cylinder body (3a) is composed of a first ring part (3a1) parallel to the outer cylinder (3) and a second ring part (3a2) used for connecting the first ring part (3a1) with the outer cylinder (3), an annular groove (3d) is formed between the first ring part (3a1) and the inner wall of the outer cylinder (3), an annular rubber body (7) is fixed in the annular groove (3d), and the inner side wall and the outer side wall of the rubber body (7) are respectively abutted against the outer wall of the first ring part (3a1) and the inner wall of the outer cylinder (3); the outlet (5a) is arranged opposite to the ring part I (3a1), and the axis of the outlet (5a) is vertical to the axis of the ring part I (3a 1).

2. The water pump for upright use as claimed in claim 1, wherein the rubber ring (8) is fixed on the top wall of the second ring part (3a2), the rubber ring (8) is coaxial with the second ring part (3a2), and two end faces of the rubber ring (8) respectively cling to the second ring part (3a2) and the motor frame (1) to form a seal.

3. The water pump for upright use according to claim 2, wherein the top wall of the second ring part (3a2) is vertically provided with connecting holes (3a3), at least two connecting holes (3a3) are uniformly distributed along the circumferential direction of the second ring part (3a2), the rubber ring (8) is provided with connecting blocks (8a) with the shape and the size matched with the connecting holes (3a3), the connecting blocks (8a) and the connecting holes (3a3) have the same number and the positions in one-to-one correspondence, and each connecting block (8a) is embedded in the corresponding connecting hole (3a 3).

4. A water pump for upright use according to claim 3, wherein the rubber ring (8) and the connecting block (8a) are of a one-piece construction and are injection molded onto the ring portion two (3a 2).

5. A water pump for upright use according to claim 4, wherein the connection hole (3a3) is a through hole, the connection block (8a) extends downward to the rubber body (7), and the connection block (8a) and the rubber body (7) are adhered as a single body by using high temperature generated by injection molding.

6. The water pump for upright use according to claim 5, wherein the connection hole (3a3) is tapered, and the diameter of the connection hole (3a3) is gradually reduced downward.

7. A water pump for upright use according to claim 1, wherein the sidewall of the lower end of the outer cylinder (3) is bent inward to form a rib (3b) having a ring shape, a rubber pad (9) having a ring shape is clamped between the rib (3b) and the pump housing (2), and the rubber pad (9) is coaxial with the outer cylinder (3).

8. A water pump for upright use according to claim 1, wherein the rubber body (7) is shaped and sized to match the annular groove (3d), the outer side wall of the first ring portion (3a1) has a tapered introduction face (3c), the introduction face (3c) extends to the bottom wall of the first ring portion (3a1), and the diameter of the introduction face (3c) is gradually reduced downward.