CN213072363U

CN213072363U - Water-cooled motor

Info

Publication number: CN213072363U
Application number: CN202022246338.9U
Authority: CN
Inventors: 殷红顺; 孙即明
Original assignee: Qingdao CCS Electric Corp
Current assignee: Qingdao CCS Electric Corp
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-27
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a water-cooled motor, which comprises a casing, an oil injection rod and a protection part, wherein the casing is provided with a water channel, the casing is also provided with a mounting hole, and the mounting hole penetrates through the casing from outside to inside; the oil filling rod is arranged in the mounting hole, the inner side surface of the shell and the outer side surface of the shell are respectively in sealing connection with the oil filling rod, and an oil filling channel is formed in the oil filling rod; the protection piece is detachably covered on the outer end of the oil filling rod outside the machine shell and used for blocking the oil filling channel. After the shield member is detached from the filler rod, oil is filled from the filler rod into the interior of the cabinet. After the oil injection is completed, the protection piece can be covered on the oil injection rod again to seal the oil injection channel. Through utilizing the detachable protection piece, the utility model discloses a water cooled machine can guarantee that the casing leads to water operation, can also satisfy the lubricated function of oiling simultaneously, thereby makes the utility model discloses a water cooled machine can be adapted to various operating mode occasions better.

Description

Water-cooled motor

Technical Field

The utility model relates to the technical field of motors. More specifically, the present invention relates to a water-cooled motor.

Background

The water-cooled motor is widely applied to various occasions due to the characteristics of wide speed regulation range, stable operation, high reliability and the like. The shell of the water-cooled motor is distributed over the water channel, and cooling water needs to be introduced into the water channel during operation, so that the tightness of the water channel needs to be ensured. Meanwhile, after the water-cooled motor runs for a long time, some parts in the inner cavity of the shell, such as bearings, need oil lubrication, but because the shell is fully distributed with water channels, the oil lubrication of the parts in the inner cavity through the shell cannot be realized. Therefore, a new structure is needed to satisfy the water injection and oil injection of the water-cooled motor.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the water-cooled motor not only can ensure the tightness of a water channel, but also can perform oil injection and lubrication on parts in a machine shell.

In order to solve the technical problem, the utility model provides a following technical scheme:

a water-cooled electric machine comprising:

the water channel is arranged on the machine shell, the machine shell is provided with a mounting hole, and the mounting hole penetrates through the machine shell from outside to inside;

the oil filling rod is arranged in the mounting hole, the inner side surface of the shell and the outer side surface of the shell are respectively in sealing connection with the oil filling rod, and an oil filling channel is formed in the oil filling rod; and

and the protection part is detachably covered at one end of the oil filling rod outside the machine shell and is used for plugging the oil filling channel.

In one embodiment, the water-cooled motor further comprises an oil filling nozzle, and the oil filling nozzle is arranged in the oil filling channel.

In one embodiment, the oil injection passage includes a stepped bore including a first bore and a second bore, the first bore having a larger bore diameter than the second bore, the guard is mated with the first bore, and the oil nipple is mated with the second bore.

In one embodiment, the first and second bores are each threaded, the shield is threadably engaged with the first bore, and the nipple is threadably engaged with the second bore.

In one embodiment, the inner side surface of the casing and the outer side surface of the casing and the oil filling rod are welded by welding parts respectively.

In one embodiment, a seal is disposed between the shield and the filler rod.

In one embodiment, the protection piece comprises a connecting part and a shielding part, the shielding part protrudes from the connecting part, the connecting part is located in the oil filling channel, and the shielding part is used for shielding the outer end of the oil filling rod.

In one embodiment, the shielding portion includes a protruding portion and a bent portion, the protruding portion extends from an outer surface of the connecting portion in a direction away from the connecting portion, the bent portion extends from the protruding portion in a direction close to the housing, and when the protection cover is disposed on the oil filling rod, an outer end of the oil filling rod is located between the connecting portion and the bent portion.

In one embodiment, the water-cooled motor further comprises a ferrule connector and an oil pipe, the ferrule connector and the oil pipe are both located inside the housing, and two ends of the ferrule connector are respectively connected with the oil filling rod and the oil pipe and used for guiding oil in the oil filling rod into the oil pipe.

In one embodiment, the length of the oil filling rod is greater than the thickness of the machine shell, the outer end of the oil filling rod protrudes out of the outer side face of the machine shell, and the inner end of the oil filling rod protrudes out of the inner side face of the machine shell.

Through implementing the utility model discloses an embodiment will obtain following beneficial effect:

the utility model discloses a water cooled machine can guarantee that the casing leads to water operation, can also satisfy the lubricated function of oiling simultaneously. Specifically, after the guard is detached from the filler rod, the interior of the housing may be filled with oil from the filler rod, and the guard is again capped on the filler rod after the completion of the oil filling, thereby closing the oil filling passage. Through utilizing the detachable protection piece, the utility model discloses a scheme can be so that water cooled machine is adapted to various different operating mode occasions such as open air betterly.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 is a sectional view of a water-cooled motor according to an embodiment of the present invention;

fig. 2 is an enlarged view of portion a of fig. 1 according to an embodiment of the present invention; and

fig. 3 is a cross-sectional view of a protective shield according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model provides a water-cooled motor, this water-cooled motor include casing 100, are provided with spare parts such as bearing in the casing 100, at the in-process of water-cooled motor work or after working a period, need carry out the oiling lubrication to spare parts such as the inside bearing of casing 100, and current water-cooled motor can't satisfy the dual function of water-cooling and oiling simultaneously.

The utility model discloses an among the water cooled machine, be provided with water course 110 on casing 100, this water course 110 is used for letting in coolant liquid or cooling water, can carry out cooling to casing 100 at the in-process of the inside device work of casing 100, prevents that the inside device high temperature of casing 100 from damaging. Specifically, the water channel 110 is located between the inner side of the casing 100 and the outer side of the casing 100, that is, the water channel 110 substantially extends along the surface of the casing 100. The water channel 110 extends substantially throughout the enclosure 100 and covers various portions of the enclosure 100 to facilitate rapid and effective cooling of the enclosure 100.

The casing 100 is further provided with a mounting hole 120, the mounting hole 120 penetrates through the casing 100 from outside to inside, that is, two end ports of the mounting hole 120 are respectively located on an outer side surface of the casing 100 and an inner side surface of the casing 100. The oil filling rod 200 is arranged in the mounting hole 120, the middle section of the oil filling rod 200 is located in the water channel 110, the inner side surface of the casing 100 is in sealing connection with the oil filling rod 200, meanwhile, the outer side surface of the casing 100 is also in sealing connection with the oil filling rod 200, and therefore cooling liquid or cooling water in the water channel 110 is prevented from leaking out of the casing 100 or flowing into the casing 100. The sealing connection between the outer side surface of the casing 100 and the filler rod 200 and the sealing connection between the inner side surface of the casing 100 and the filler rod 200 may be sealed by a sealing ring, welding, or the like. In one embodiment, the oil injection rod 200 is welded to the inner side and the outer side of the casing 100 by welding members (not shown) to ensure the sealing and explosion-proof performance of the water channel 110, and the safety is higher.

The filler rod 200 has a filler passage 210, and a worker can inject the lubricating oil from the filler passage 210 into the casing 100. The outer end of the filler rod 200, that is, the end of the filler rod 200 located outside the cabinet 100 is detachably capped with a shield 400, and the shield 400 is used to close the filler passage 210.

The utility model discloses a water cooled machine can guarantee to lead to water the operation at casing 100, can also satisfy the lubricated function of oiling simultaneously, when needs annotate lubricating oil, can dismantle protection piece 400 get off, carries out the oiling through oiling passageway 210, and the back is accomplished to the oiling, can with protection piece 400 recap on the outer end of reinjection oil pole 200, seal oiling passageway 210 for this water cooled machine can be adapted to various occasions such as open air betterly.

In one embodiment, the length of the oil filling rod 200 is greater than the thickness of the casing 100, the outer end of the oil filling rod 200 protrudes from the outer side of the casing 100, and the inner end of the oil filling rod 200 protrudes from the inner side of the casing 100. Both ends of the filler rod 200 protrude from the outer side surface and the inner side surface of the cabinet 100, respectively, to facilitate not only the welding sealing but also the fixing of the protector 400 and the like to the filler rod 200.

In one embodiment, the water-cooled motor further includes a grease nipple 500, the grease nipple 500 is disposed in the grease channel 210, the grease nipple 500 can facilitate the grease to be injected into the casing 100 from the outside of the casing 100, and can prevent the grease from flowing backward from the grease channel 210 to the outside of the casing 100.

In one embodiment, the oil injection passage 210 includes a stepped hole including a first hole 211 and a second hole 212, the first hole 211 having a larger diameter than the second hole 212, the first hole 211 being located near an outer end of the oil injection rod 200, the guard 400 being coupled to the first hole 211, and the oil nozzle 500 being coupled to the second hole 212. The first bore 211 has an outer diameter larger than the second bore 212 to facilitate installation of the nozzle 500 into the second bore 212 during assembly. The protection member 400 may be connected with the hole wall of the first hole 211 by means of snap-fit, screw-connection, etc., and the oil nozzle 500 may be connected with the hole wall of the second hole 212 by means of snap-fit, screw-connection, etc. In one embodiment, the first hole 211 and the second hole 212 are both threaded holes, the shield 400 is threadably engaged with the first hole 211, and the grease nipple 500 is threadably engaged with the second hole 212, wherein the second hole 212 may be an M10 threaded hole and the grease nipple 500 is an M10 grease nipple 500.

As shown in fig. 3, the protection member 400 includes a connection portion 410 and a shielding portion 420, the shielding portion 420 protrudes from the connection portion 410, and at least a portion of the connection portion 410 is located in the first hole 211 and is in threaded engagement with the first hole 211; the shielding portion 420 is used for shielding the outer end of the oil filling rod 200, so that the outer end of the oil filling rod 200 is not exposed, dirt such as sewage, dust, sand and the like is prevented from entering the oil filling channel 210 from a gap between the outer end of the oil filling rod 200 and the protection member 400, and cleanness of the oil filling channel 210 is guaranteed.

In one embodiment, the shielding portion 420 includes a protruding portion 421 and a bending portion 422, the protruding portion 421 extends from the outer surface of the connecting portion 410 to a direction away from the connecting portion 410, the bending portion 422 bends from the protruding portion 421 to a direction close to the casing 100, and when the protection member 400 is covered on the oil filler rod 200, the shielding portion 420 can cover the outer end of the oil filler rod 200, that is, the outer end of the oil filler rod 200 can be located between the connecting portion 410, the protruding portion 421 and the bending portion 422. Preferably, the extending direction of the protruding portion 421 is perpendicular to the outer surface of the connecting portion 410, and the extending direction of the bending portion 422 is parallel to the outer surface of the connecting portion 410. Connecting portion 410, bellying 421 and kink 422 between can form the draw-in groove of an opening orientation casing 100, connecting portion 410 install in first hole 211 after, the card can be done in this draw-in groove to the outer end of oiling pole 200, can protect oiling pole 200 betterly, can make water cooled machine expose in the open air, face extreme condition such as drenching with rain.

Further, in order to improve the sealing performance between the protection member 400 and the oil filler rod 200 and prevent dirt such as sewage, dust, etc. from entering the oil filling passage 210, a sealing member (not shown) is further provided between the protection member 400 and the oil filler rod 200, and a combination sealing gasket is provided between the hole wall of the first hole 211 and the connecting portion 410.

The water-cooled motor further comprises a clamping sleeve joint 600 and an oil pipe 700, wherein the clamping sleeve joint 600 and the oil pipe 700 are both located in the shell 100, two ends of the clamping sleeve joint 600 are respectively connected with the oil filling rod 200 and the oil pipe 700, and the clamping sleeve joint 600 is used for guiding oil in the oil filling rod 200 into the oil pipe 700. The other end of the oil pipe 700 is connected to the outer bearing cover inside the casing 100 by another bayonet joint. In this embodiment, the oil pipe 700 may be a copper pipe.

In the above description of the present specification, the terms "fixed," "mounted," "connected," or "connected," and the like, are to be construed broadly unless otherwise expressly specified or limited. For example, with the term "coupled", it can be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship. Therefore, unless the specification explicitly defines otherwise, those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

From the above description of the present specification, those skilled in the art will also understand the terms used below, terms indicating orientation or positional relationship such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "central", "longitudinal", "transverse", "clockwise" or "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings of the present specification, it is for the purpose of facilitating the explanation of the invention and simplifying the description, and it is not intended to state or imply that the devices or elements involved must be in the particular orientation described, constructed and operated, therefore, the above terms of orientation or positional relationship should not be construed or interpreted as limiting the present invention.

In addition, the terms "first" or "second", etc. used in this specification are used to refer to numbers or ordinal terms for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present specification, "a plurality" means at least two, for example, two, three or more, and the like, unless specifically defined otherwise.

While various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. It is intended that the following claims define the scope of the invention and that the module compositions, equivalents, or alternatives falling within the scope of these claims be covered thereby.

Claims

1. A water-cooled electric machine, comprising:

and the protective part is detachably covered on the outer end of the oil filling rod outside the machine shell and is used for plugging the oil filling channel.

2. The water-cooled motor of claim 1, further comprising an oil nipple disposed within the oil gallery.

3. The water-cooled motor of claim 2, wherein the oil injection passage includes a stepped hole including a first hole and a second hole, the first hole having a larger bore diameter than the second hole, the guard being fitted to the first hole, and the oil nipple being fitted to the second hole.

4. The water-cooled motor of claim 3, wherein said first hole and said second hole are each threaded holes, said shield member being threadably engaged with said first hole, said grease nipple being threadably engaged with said second hole.

5. The water-cooled motor of claim 1, wherein the inner side surface of the casing and the outer side surface of the casing are welded to the oil injection rod by welding members.

6. The water-cooled electric machine of claim 1, wherein a seal is disposed between said shield and said grease bar.

7. The water-cooled motor according to any one of claims 1 to 6, wherein the protector includes a connecting portion and a shielding portion, the shielding portion protrudes from the connecting portion, the connecting portion is located in the oil filling passage, and the shielding portion is configured to shield an outer end of the oil filling rod.

8. The water-cooled motor according to claim 7, wherein the shielding portion includes a protruding portion and a bent portion, the protruding portion extends from an outer surface of the connecting portion in a direction away from the connecting portion, the bent portion extends from the protruding portion in a direction toward the housing, and when the protection cover is disposed on the oil filling rod, an outer end of the oil filling rod is located between the connecting portion and the bent portion.

9. The water-cooled motor according to any one of claims 1 to 6, further comprising a ferrule fitting and an oil pipe, wherein the ferrule fitting and the oil pipe are both located inside the housing, and both ends of the ferrule fitting are respectively connected with the oil filling rod and the oil pipe and are used for guiding oil in the oil filling rod into the oil pipe.

10. The water-cooled motor of any one of claims 1-6, wherein the length of the oil filling rod is greater than the thickness of the housing, the outer end of the oil filling rod protrudes from the outer side of the housing, and the inner end of the oil filling rod protrudes from the inner side of the housing.