CN209748317U

CN209748317U - direct-current brushless motor for softening tap water

Info

Publication number: CN209748317U
Application number: CN201920418321.1U
Authority: CN
Inventors: 袁小存; 袁贤涛; 徐春雷
Original assignee: Ningbo Xingyu Motor Manufacturing Co Ltd
Current assignee: Ningbo Xingyu Motor Manufacturing Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-12-06
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a brushless DC motor for softening tap water, which comprises a driving motor, wherein a propeller is fixedly connected to the main shaft of the driving motor, the driving motor comprises a shell, the side wall of the shell is provided with a mounting hole, and a mounting pipeline is connected in the mounting hole; the shell is provided with a front cover, the front cover is fixedly connected with an end cover, the front cover is provided with a first through hole, the end cover is provided with a second through hole, and the spindle extends out of the shell; the front cover is internally provided with a containing cavity, a mechanical sealing device is arranged in the containing cavity and comprises a static ring, a dynamic ring and a sliding sleeve, and a spring is arranged between the dynamic ring and the sliding sleeve. The utility model has the advantages of it is following and effect: the novel mechanical structure is utilized, the driving motor is arranged in the tap water pipe, the occupied space can be reduced, and the softening effect is good; the mechanical sealing device, the first O-shaped ring and the second O-shaped ring are arranged to have better sealing performance; three installation pipelines which are arranged at equal intervals are adopted, so that the shell is more stably installed.

Description

Direct-current brushless motor for softening tap water

Technical Field

The utility model relates to an electrical equipment technical field, in particular to be used for the softened DC brushless motor of running water.

Background

The propeller is a device which rotates in the air or water by means of blades and converts the rotating power of an engine into propulsive force, and can be a propeller with two or more blades connected with a hub, wherein the backward surfaces of the blades are spiral surfaces or approximate spiral surfaces. The propellers are divided into a plurality of types and are widely applied, such as propellers of aircrafts and ships.

Now, a propeller is also used to stir the tap water, thereby softening the tap water. However, in the prior art, a common propeller cannot be applied to water due to poor sealing performance, and the propeller installed in external equipment is generally adopted to soften tap water, so that the problem of large occupied space and poor softening effect on the tap water exist when the external equipment is connected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a direct current brushless motor for running water is soft adopts the mode that sets up the installation pipeline outside the drive motor to install drive motor in running water pipeline, has the less and better effect of softening effect of occupation space, and adopts mechanical seal device, and sealed effect is better.

The above technical purpose of the present invention can be achieved by the following technical solutions: a direct current brushless motor for softening tap water comprises a driving motor, wherein a main shaft of the driving motor is fixedly connected with a propeller, the driving motor comprises a shell, the side wall of the shell is provided with a mounting hole communicated with the inner cavity of the shell, and the mounting hole is fixedly connected with a hollow mounting pipeline; the opening end of the shell is provided with a front cover, the front cover is fixedly connected with an end cover, the front cover is provided with a first through hole, the end cover is provided with a second through hole coaxial with the first through hole, and the main shaft sequentially penetrates through the first through hole and the second through hole and then extends out of the shell; the front cover is internally provided with an accommodating cavity communicated with the first through hole, a mechanical sealing device is arranged in the accommodating cavity and comprises a static ring fixedly connected to the main shaft, a movable ring movably sleeved on the main shaft and a sliding sleeve, the static ring is in sealing contact with the shell, a spring is arranged between the movable ring and the sliding sleeve and used for enabling the movable ring to have a motion trend of tightly abutting against the static ring all the time; the spring makes the sliding sleeve abut against the end cover, and makes the movable ring abut against the static ring.

By adopting the technical scheme, when the end cover is installed, the static ring is fixedly installed on the side wall of the main shaft of the driving motor to be in sealing contact with the shell, then the movable ring, the spring and the sliding sleeve are sleeved on the main shaft, the movable ring is in sealing contact with the static ring, and finally the end cover is fixedly connected onto the front cover through the bolt. At the moment, under the action of the elastic force of the spring, the sliding sleeve is abutted against the end cover, and the movable ring is abutted against the static ring. Let in the wire in the installation pipeline, can even go into driving motor with the wire inside, then with driving motor whole through installation pipeline installation in water pipeline, the circular telegram back driving motor drive screw is rotatory, and the screw is when rotating, and the velocity of flow of running water in the pipeline with higher speed, and then can soften quality of water, so, not only occupation space is less and soften the running water effect better. In the stirring process, when the running water in the running water pipeline flows into the holding intracavity from the gap between end cover and the protecgulum, the sliding sleeve receives rivers pressure and then moves to the rotating ring, and the spring is further compressed, makes the rotating ring inseparabler with quiet ring contact, makes sealed effect better.

The utility model discloses a further set up to: the mounting pipeline is mounted in the mounting hole through threaded connection.

Through adopting above-mentioned technical scheme, the installation pipeline is installed in the mounting hole through threaded connection's mode and is convenient for dismantle when the maintenance.

The utility model discloses a further set up to: the end of the installation pipeline is provided with an annular embedded groove, a first O-shaped ring is embedded in the annular embedded groove, a resisting portion is circumferentially arranged in the installation hole, and the first O-shaped ring is resisted at the resisting portion.

Through adopting above-mentioned technical scheme, set up first O type circle between installation pipeline and casing, can play sealed effect, can prevent to a certain extent that the rivers in the water pipeline from the gap between installation pipeline and casing from flowing into to the drive motor in and burning out drive motor.

The utility model discloses a further set up to: three installation pipelines are arranged on the shell, and the circumferential intervals of the three installation pipelines are set to be 120 degrees.

By adopting the technical scheme, the three mounting pipelines are arranged around the shell at intervals of 120 degrees, so that the shell is more stably mounted in the tap water pipeline.

The utility model discloses a further set up to: the axial section of the shell is integrally arranged in an oval shape.

By adopting the technical scheme, the casing is in streamline shape, so that the resistance to the flowing of tap water in a tap water pipeline can be reduced.

The utility model discloses a further set up to: an annular groove is formed in the side wall of the front cover, a second O-shaped ring is embedded in the annular groove, the inner wall of the second O-shaped ring abuts against the annular groove, and the outer wall of the second O-shaped ring abuts against the shell.

Through adopting above-mentioned technical scheme, set up second O type circle between protecgulum and casing, can play sealed effect, can prevent to a certain extent that rivers in the water pipeline from flowing into in the driving motor and burning out driving motor from the gap between protecgulum and casing.

The utility model discloses a further set up to: the end cover is provided with a convex part embedded in the accommodating cavity.

Through adopting above-mentioned technical scheme, when installing the end cover on the protecgulum, inlay the convex part in the holding intracavity of end cover, can fix a position the mounted position of end cover fast, and then can improve the installation effectiveness.

To sum up, the utility model discloses following beneficial effect has:

1. The driving motor is arranged in the tap water pipe, so that the occupied space can be greatly reduced, and the softening effect is better;

2. the driving motor is provided with the mechanical sealing device, the first O-shaped ring and the second O-shaped ring, so that the sealing performance is good, and tap water in the tap water pipe is not easy to flow into the driving motor to burn out the driving motor;

3. Three installation pipelines which are circumferentially arranged at equal intervals are adopted, so that the shell is more stably installed.

Drawings

Fig. 1 is a schematic view of the internal structure of the embodiment.

Fig. 2 is an enlarged view of the area a in fig. 1.

FIG. 3 is a front view of the embodiment installed in a tap water pipeline.

In the figure: 1. a drive motor; 11. a main shaft; 2. a propeller; 21. a nut; 22. a gasket; 3. a housing; 31. mounting holes; 4. a front cover; 41. a first through hole; 42. an accommodating cavity; 43. an annular groove; 5. an end cap; 51. a convex portion; 52. a second through hole; 6. a mechanical seal device; 61. a stationary ring; 62. a moving ring; 63. a sliding sleeve; 64. a spring; 7. a second O-ring; 8. installing a pipeline; 81. an annular embedded groove; 9. a first O-ring; 10. a resisting part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A direct current brushless motor for softening tap water comprises a driving motor 1, wherein a propeller 2 is fixedly connected to a main shaft 11 of the driving motor 1, a screw cap 21 positioned at the front end of the propeller 2 is further arranged on the main shaft 11, and a gasket 22 is arranged between the screw cap 21 and the propeller 2, as shown in figure 1. When carrying out the demineralized water process, start driving motor 1, main shaft 11 drives screw 2 rotatory, and screw 2 is when rotating, and the velocity of flow of running water in the pipeline of running water is accelerated, and then can soften quality of water.

As shown in fig. 1 and 2, the driving motor 1 includes a housing 3, an axial cross section of the housing 3 is overall oval, one end of the housing 3 is open, an open end of the housing 3 is fixedly connected with a front cover 4 through a socket head cap screw, the front cover 4 is fixedly connected with an end cover 5 through a socket head cap screw, the end cover 5 is provided with a convex portion 51, the front cover 4 is provided with a first through hole 41 along an axial direction, the end cover 5 is provided with a second through hole 52 coaxial with the first through hole 41, and a main shaft 11 of the driving motor 1 sequentially passes through the first through hole 41 and the second through hole 52 and then extends out of the housing 3; an accommodating cavity 42 communicated with the first through hole 41 is formed in the front cover 4, a mechanical sealing device 6 is arranged in the accommodating cavity 42, the mechanical sealing device 6 comprises a static ring 61 fixedly connected to a main shaft 11 of the driving motor 1, a dynamic ring 62 movably sleeved on the main shaft 11 and a sliding sleeve 63, the static ring 61 is in sealing contact with the shell 3, a spring 64 is arranged between the dynamic ring 62 and the sliding sleeve 63, the sliding sleeve 63 abuts against the end cover 5, the dynamic ring 62 abuts against the static ring 61 to enable the static ring and the static ring to be in sealing contact, and the spring 64 is used for enabling the dynamic ring 62 to have a movement trend of abutting against the static ring 61 all the time. Annular groove 43 has been seted up to the protecgulum 4 lateral wall, and the embedded second O type circle 7 that is equipped with of annular groove 43, the inner wall of second O type circle 7 supports in annular groove 43, and the outer wall of second O type circle 7 supports in casing 3 inner wall, sets up second O type circle 7 between protecgulum 4 and casing 3, can play sealed effect, can prevent to a certain extent that rivers in the water pipeline from leading to cover 4 and casing 3 gap between flow into to driving motor 1 in and cause the burnout.

When the end cover 5 is installed on the front cover 4, the convex part 51 is embedded in the accommodating cavity 42 of the end cover 5, the installation position of the end cover 5 can be quickly positioned, and the installation efficiency can be improved. At this time, the sliding sleeve 63 abuts against the end cap 5 and the moving ring 62 abuts against the stationary ring 61 by the elastic force of the spring 64. In the softening process, when tap water in a small amount of tap water pipes flows into the accommodating cavity 42 from a gap between the end cover 5 and the front cover 4, the sliding sleeve 63 moves towards the movable ring 62 after receiving water flow pressure, and the spring 64 is further compressed, so that the movable ring 62 is contacted with the fixed ring 61 more tightly, and the sealing effect is better. The casing 3 is streamlined, so that the resistance of the casing 3 to the flowing of tap water can be reduced.

As shown in fig. 1 and 3, three mounting holes 31 communicated with the inner cavity of the housing 3 are formed in the side wall of the housing 3 along the circumferential direction, a hollow mounting pipeline 8 is fixedly connected to each mounting hole 31 in a one-to-one correspondence manner, the mounting pipeline 8 is mounted in the mounting holes 31 through threaded connection, and the three mounting pipelines 8 are circumferentially spaced by 120 degrees, so that the housing 3 is more stably mounted in a tap water pipeline. Annular embedded groove 81 has been seted up to the tip of erection tube 8, the embedded first O type circle 9 that is equipped with of annular embedded groove 81, the periphery is provided with the department of resist 10 in the mounting hole 31, first O type circle 9 one end supports in annular embedded groove 81, the other end supports in department of resist 10, set up first O type circle 9 between erection tube 8 and casing 3, can play sealed effect, can prevent to a certain extent that rivers in the water pipeline from flowing into to driving motor 1 in from the gap between erection tube 8 and casing 3 and causing the burnout.

When installing driving motor 1 in water supply line, let in the wire in installation pipeline 8 earlier, can be with inside driving motor 1 with the wire even, then install driving motor 1 wholly in water supply line through installation pipeline 8 again, so, not only occupation space is less and soften the running water effect better. The mounting pipe 8 is mounted in the mounting hole 31 in a threaded manner so as to be conveniently detached during maintenance.

the utility model discloses a basic operating principle does: during installation, the stationary ring 61 is fixedly installed on the side wall of the main shaft 11 of the driving motor 1 to be in sealing contact with the shell 3, then the movable ring 62, the spring 64 and the sliding sleeve 63 are sleeved on the main shaft 11, the movable ring 62 is in sealing contact with the stationary ring 61, and finally the end cover 5 is fixedly connected to the front cover 4 through the hexagon socket head cap screw. At this time, the sliding sleeve 63 abuts against the end cap 5 and the moving ring 62 abuts against the stationary ring 61 by the elastic force of the spring 64. When installing driving motor 1 in water pipeline, let in the wire in installation pipeline 8, can even go into driving motor 1 inside with the wire, then install driving motor 1 wholly in water pipeline through installation pipeline 8 in again, driving motor 1 drive screw 2 is rotatory, and screw 2 is when rotating, and the velocity of flow of running water in the pipeline is with higher speed, and then can soften quality of water, so, not only occupation space is less and soften the running water effect better. In the softening process, when tap water in the tap water pipeline flows into the accommodating cavity 42 from a gap between the end cover 5 and the front cover 4, the sliding sleeve 63 moves towards the movable ring 62 after receiving water flow pressure, the spring 64 is further compressed, and the movable ring 62 is in closer contact with the static ring 61, so that the sealing effect is better.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a brushless DC motor for running water softens, includes driving motor (1), fixedly connected with screw (2), its characterized in that on main shaft (11) of driving motor (1): the driving motor (1) comprises a shell (3), a mounting hole (31) communicated with the inner cavity of the shell (3) is formed in the side wall of the shell (3), and the mounting hole (31) is fixedly connected with a hollow mounting pipeline (8); a front cover (4) is arranged at the opening end of the shell (3), an end cover (5) is fixedly connected to the front cover (4), a first through hole (41) is formed in the front cover (4), a second through hole (52) coaxial with the first through hole (41) is formed in the end cover (5), and the spindle (11) sequentially penetrates through the first through hole (41) and the second through hole (52) and then extends out of the shell (3); an accommodating cavity (42) communicated with the first through hole (41) is formed in the front cover (4), a mechanical sealing device (6) is arranged in the accommodating cavity (42), the mechanical sealing device (6) comprises a static ring (61) fixedly connected to the main shaft (11), a movable ring (62) movably sleeved on the main shaft (11) and a sliding sleeve (63), the static ring (61) is in sealing contact with the shell (3), a spring (64) is arranged between the movable ring (62) and the sliding sleeve (63), and the spring (64) is used for enabling the movable ring (62) to have a movement tendency of tightly abutting against the static ring (61) all the time; the spring (64) enables the sliding sleeve (63) to abut against the end cover (5), and enables the movable ring (62) to abut against the static ring (61).

2. A dc brushless motor for softening of tap water according to claim 1, wherein: the mounting pipeline (8) is mounted in the mounting hole (31) through threaded connection.

3. A dc brushless motor for softening of tap water according to claim 1, wherein: installation pipeline (8) fixed connection in annular embedded groove (81) have been seted up to the tip of casing (3), annular embedded groove (81) are embedded to be equipped with first O type circle (9), be provided with in mounting hole (31) along the periphery and keep out portion (10), first O type circle (9) support in keep out portion (10).

4. A dc brushless motor for softening of tap water according to claim 1, wherein: the three installation pipelines (8) are arranged on the shell (3), and the circumferential intervals of the three installation pipelines (8) are set to be 120 degrees.

5. A dc brushless motor for softening of tap water according to claim 1, wherein: the axial section of the shell (3) is integrally arranged in an oval shape.

6. A dc brushless motor for softening of tap water according to claim 1, wherein: an annular groove (43) is formed in the side wall of the front cover (4), a second O-shaped ring (7) is embedded in the annular groove (43), the inner wall of the second O-shaped ring (7) abuts against the annular groove (43), and the outer wall of the second O-shaped ring (7) abuts against the shell (3).

7. A dc brushless motor for softening of tap water according to claim 1, wherein: the end cover (5) is provided with a convex part (51) embedded in the accommodating cavity (42).