CN219499100U

CN219499100U - Speed reducing motor

Info

Publication number: CN219499100U
Application number: CN202320791597.0U
Authority: CN
Inventors: 华涛; 张丹华
Original assignee: Changzhou Qianyi Intelligent Iot Technology Co ltd
Current assignee: Changzhou Qianyi Intelligent Iot Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-08
Anticipated expiration: 2033-04-11

Abstract

The utility model provides a gear motor, which comprises a reduction gearbox and a motor, wherein the reduction gearbox is arranged on a front end cover of the motor, and is characterized in that the motor comprises a rear end cover, a first blind hole and a first lead hole are formed in the rear end cover, an opening of the first blind hole faces into the motor, and the rear end cover is connected with the motor through the first blind hole; and the sealing cover is arranged on the rear end cover and comprises a second lead hole and a lead channel, the second lead hole and the first lead hole are not aligned in the axial direction, one end of the lead channel is communicated with the second lead hole, and the other end of the lead channel is communicated with the first lead hole. According to the utility model, through connecting the first screw hole with the first blind hole, impurities such as water or water vapor can be prevented from entering the motor from the rear end cover, a relatively sealed environment is provided, the impurities such as external water or water vapor are prevented from entering the motor, and the service life of the motor is prolonged.

Description

Speed reducing motor

Technical Field

The utility model relates to the technical field of motors, in particular to a gear motor.

Background

The gear motor is an integrated body of a gear box and a motor, and is widely applied to various fields such as metallurgy, transportation, medicine and detection, wherein application in certain fields can occur in humid, ponding and dusty environments, under normal conditions, a rear end cover of the gear motor is directly connected with the motor through a screw hole, and when the gear motor is applied, impurities such as water, vapor and the like enter the gear motor, especially the inside of the motor, and damage and failure are easily caused to the gear motor, so that the service life of the gear motor is reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a gear motor.

In order to achieve the above and other objects, the present utility model is achieved by the following technical solutions: the utility model provides a gear motor, which comprises a reduction gearbox and a motor, wherein the reduction gearbox is arranged on a front end cover of the motor, and the gear motor is characterized by comprising a rear end cover, a first blind hole and a first lead hole are formed in the rear end cover, an opening of the first blind hole faces into the motor, and the rear end cover is connected with the motor through the first blind hole; the first lead hole is used for penetrating out a lead in the motor; the sealing cover is arranged on one side of the rear end cover, which is opposite to the motor, and comprises a second lead hole and a lead channel, wherein one end of the lead channel is communicated with the second lead hole, and the other end of the lead channel is communicated with the first lead hole.

In an embodiment, the second lead hole and the first lead hole are not aligned in an axial direction.

In one embodiment, the second lead hole is provided in a central location or side wall of the seal cap and the first lead hole is provided in the end cap near an outer edge.

In one embodiment, the lead channels are filled with an encapsulant.

In an embodiment, a sealing groove is formed in the rear end cover, the sealing groove is formed in the end face, close to the sealing cover, of the rear end cover, and the sealing groove is located at the periphery of the first lead hole.

In one embodiment, the sealing groove is filled with sealing material.

In one embodiment, the sealing material protrudes from an end face of the rear end cap.

In an embodiment, a second blind hole is formed in the rear end cover, an opening of the second blind hole faces the sealing cover, a second screw hole is formed in the sealing cover, and the sealing cover is installed through the second screw hole and the second blind hole.

In an embodiment, a first screw hole is formed in the front end cover, and the first screw hole is connected with the first blind hole.

In one embodiment, the lead channels are L-shaped or C-shaped or linear.

According to the utility model, by connecting the first screw hole with the first blind hole, impurities such as water or water vapor and the like can be prevented from entering the motor from the rear end cover. Through the cooperation of first lead wire hole with second lead wire hole, and first lead wire hole with set up sealing filler or sealing washer in the lead wire passageway, provide a relatively sealed environment, avoid impurity such as outside water or vapor to enter into in the motor, improved the life of motor.

Drawings

Fig. 1 is a schematic perspective view of a gear motor according to the present utility model.

Fig. 2 is a schematic perspective view of a motor according to a first embodiment of the present utility model.

Fig. 3 shows a first azimuthal cross-section of the motor according to the first embodiment of the utility model.

Fig. 4 shows a second azimuthal cross-section of the motor according to the first embodiment of the utility model.

Fig. 5 is an enlarged view of a lead path according to a first embodiment of the present utility model.

Fig. 6 is a schematic perspective view showing a sealing cap according to a second embodiment of the present utility model.

Fig. 7 shows a second azimuthal cross-section of the motor according to a second embodiment of the utility model.

Detailed Description

Please refer to fig. 1 to 7. Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. It should be understood that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, however, that the present utility model may be practiced in other ways than as described herein, and that the scope of the utility model is therefore not limited to the specific embodiments disclosed below.

Furthermore, it should be noted that the terms "first," "second," and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and it should be understood that the data so used may be interchanged where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, the present utility model provides a gear motor, comprising a motor 10 and a reduction gearbox 20, wherein the reduction gearbox 20 is mounted on a front end cover 13 (see fig. 2) of the motor 10, and is fixedly connected from the side of the reduction gearbox 20 through bolts 21.

Referring to fig. 2 and 3, a rear end cover 11 is mounted at an end of the motor 10 away from the reduction gearbox 20, a first blind hole 111 is formed in the rear end cover 11, an opening of the first blind hole 111 faces the interior of the motor 10, and the rear end cover 11 is mounted on the motor 10 through the first blind hole 111; correspondingly, a first screw hole 131 is formed in the front end cover 13, and the front end cover 13 and the rear end cover 11 are fixedly mounted on the motor 10 by connecting the first screw hole 131 with the first blind hole 111; the first blind hole 111 is inserted from the first screw hole 131 through the bolt, so that impurities such as water or water vapor in the prior art can be prevented from entering the motor from the screw hole on the motor rear end cover, the improvement of the sealing performance of the end cover is realized, and the normal operation of the motor is ensured.

The rear end cover 11 is provided with a first lead hole 112 for threading a lead, and a sealing ring or a sealing filler can be arranged inside the first lead hole 112 to improve the tightness of the lead in the first lead hole 112, so that impurities cannot enter the motor 10 through the first lead hole 112.

Further, the gear motor further comprises a sealing cover 12, and the sealing cover 12 is mounted on the side of the rear end cover 11 facing away from the motor 10. The sealing cover 12 is provided with a second lead hole 121, and the second lead hole 121 is axially offset from the first lead hole 112 by a certain distance. In the first embodiment (see fig. 2 to 5), the second lead hole 121 is provided at the center of the sealing cap 12, and the first lead hole 112 is provided at the end cap 11 near the outer edge. In the second embodiment (see fig. 6), the second lead hole 121 is provided on the side wall of the sealing cap 12.

As shown in fig. 4 to 7, the first lead hole 112 and the second lead hole 121 are connected by a lead passage 122, so that the lead wire inside the motor 10 passes through the first lead hole 112, passes through the lead passage 122, passes through the second lead hole 121, and is connected to an external device mounted in the second lead hole 121. Since the first lead hole 112 and the second lead hole 121 are not aligned in the axial direction, the lead passage 122 is inclined at a certain angle, and the lead passage 122 is provided with a sealing filler, for example, a sealing compound may be filled in the lead passage 122 to further improve the sealing property between the rear cover 11 and the sealing cover 12, so as to prevent impurities such as water or water vapor from entering the interior of the motor 10 along the lead.

Of course, although the lead channels 122 are shown as being linear, in other cases, the lead channels 122 may be configured in an L-shape, a C-shape, or the like.

Further, as shown in fig. 5, the rear end cover 11 may further be provided with a sealing groove 113, the sealing groove 113 is provided on an end surface of the rear end cover 11 adjacent to the sealing cover 12 and is located at the periphery of the first lead hole 112, the sealing groove 113 is filled with a sealing material, and the sealing material protrudes from the end surface of the rear end cover 11, so that when the sealing cover 12 is mounted on the rear end cover 11, the sealing cover 12 presses the sealing material, thereby further improving the sealing performance of the joint of the two lead holes; in this embodiment, the sealing material is a sealing ring.

Referring back to fig. 3, the rear end cover 11 may further be provided with a second blind hole 114, where an opening of the second blind hole 114 faces the sealing cover 12, and the sealing cover 12 is mounted on the rear end cover 12 through the second blind hole 114. Specifically, the sealing cover 12 is further provided with a second screw hole 123, and the sealing cover 12 is connected with the rear end cover 11 by matching the second screw hole 123 with the second blind hole 114. Because the second blind hole 114 is a half through hole, impurities such as water or water vapor do not enter the inside of the motor 10 through the second blind hole 114.

In summary, by connecting the first screw hole 131 and the first blind hole 111, the bolt is inserted into the first blind hole 111 from the first screw hole 131, so that impurities such as water or water vapor can be prevented from entering the motor from the rear end cover 11. By the cooperation of the first lead hole 112 and the second lead hole 121, and the arrangement of the sealing filler or the sealing ring in the first lead hole 112 and the lead channel 122, a relatively sealed environment is provided, so that foreign substances such as water or water vapor and the like are prevented from entering the motor 10, and the service life of the motor 10 is prolonged.

Claims

1. The utility model provides a gear motor, includes reducing gear box and motor, the reducing gear box is installed on the front end housing of motor, its characterized in that, the motor includes

The rear end cover is provided with a first blind hole and a first lead hole, the opening of the first blind hole faces into the motor, and the rear end cover is connected with the motor through the first blind hole; the first lead hole is used for penetrating out a lead in the motor;

the sealing cover is arranged on one side of the rear end cover, which is opposite to the motor, and comprises a second lead hole and a lead channel, wherein one end of the lead channel is communicated with the second lead hole, and the other end of the lead channel is communicated with the first lead hole.

2. A gear motor according to claim 1, wherein the second lead hole and the first lead hole are not aligned in the axial direction.

3. A gear motor according to claim 2, wherein the second lead hole is provided in a central position or a side wall of the seal cover, and the first lead hole is provided in the end cover at a position near an outer edge.

4. A gear motor according to claim 1, wherein the lead passage is filled with a sealing filler.

5. The gear motor according to claim 1, wherein a sealing groove is formed in the rear end cover, and the sealing groove is formed in an end face, adjacent to the sealing cover, of the rear end cover and located at the periphery of the first lead hole.

6. The gear motor of claim 5, wherein the seal groove is filled with a sealing material.

7. A gear motor according to claim 6, wherein the sealing material protrudes from an end face of the rear end cover.

8. The gear motor according to claim 1, wherein the rear end cover is provided with a second blind hole, an opening of the second blind hole faces the sealing cover, the sealing cover is provided with a second screw hole, and the sealing cover is installed through the second screw hole and the second blind hole.

9. The gear motor of claim 1, wherein the front end cover is provided with a first screw hole, and the first screw hole is connected with the first blind hole.

10. A gear motor according to claim 1, wherein the lead path is L-shaped or C-shaped or linear.