CN210867359U

CN210867359U - Novel sealing ring, sealing structure and motor

Info

Publication number: CN210867359U
Application number: CN201921878111.7U
Authority: CN
Inventors: 冯奕冠; 吴泽华; 李庆; 刘丹
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-26
Anticipated expiration: 2029-11-01

Abstract

The utility model provides a novel sealing washer, seal structure and motor relates to motor technical field, has solved only to adopt an O shape sealing washer to seal between vehicle air conditioner motor front end housing and the motor rear end cap that exists among the prior art, the relatively poor technical problem of sealed effect. The novel sealing ring comprises sealing ring bodies and connecting parts, wherein the number of the sealing ring bodies is at least two and the central axes of all the sealing ring bodies are collinear, and two adjacent sealing ring bodies have a distance and are connected through the connecting parts. The utility model is used for improve vehicle air conditioner motor's leakproofness.

Description

Novel sealing ring, sealing structure and motor

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a novel sealing washer, seal structure and motor are related to.

Background

The motor is mainly used for generating driving torque, serving as a power source of electrical appliances or various machines and converting electric energy into mechanical energy. Be provided with rotor and stator in the motor, if the leakproofness of motor is poor, in case the motor is intake or dirt, cause the damage to motor inside easily, so the seal structure of motor has very high requirement.

The applicant has found that the prior art has at least the following technical problems:

according to the existing vehicle air conditioner motor, the motor front end cover is connected with the motor rear end cover to form a shell of the motor, and the motor front end cover and the motor rear end cover are usually sealed by only adopting an O-shaped sealing ring, so that the sealing effect of the vehicle air conditioner motor is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel sealing washer, seal structure and motor have solved the vehicle air conditioner motor front end housing that exists among the prior art and have only adopted an O shape sealing washer to seal between the motor rear end housing, sealed relatively poor technical problem of effect. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of novel sealing ring, including the seal ring body and connecting portion, wherein, the number of seal ring body is two and all at least the seal ring body the central axis collineation, adjacent two the seal ring body has interval and adjacent two the seal ring body passes through connecting portion are connected.

Furthermore, the cross section of the novel sealing ring is in a symmetrical structure by taking a straight line symmetry axis parallel to the central axis of the novel sealing ring and/or a diameter along the radial direction of the novel sealing ring as a symmetry axis.

Furthermore, the number of the sealing ring bodies is two; the cross section of the seal ring body is circular.

The utility model provides a sealing structure, including first seal, second seal and novel sealing washer, novel sealing washer is extruded first seal with between the second seal so that first seal with the second seal forms sealing connection.

Further, be provided with the mounting groove on the terminal surface of first seal, novel sealing washer is located in the mounting groove.

Further, the mounting groove includes the seal ring body standing groove that is used for placing the seal ring body, is located adjacent two between the seal ring body standing groove the mounting groove bottom surface with there is difference in height H between the terminal surface of first seal, connecting portion are followed the length of novel sealing washer radial direction is H, wherein, H > H.

Furthermore, a protruding portion is formed on the end face of the first sealing body, which is in contact with the second sealing body, a groove structure is formed on the end face of the second sealing body, which is in contact with the first sealing body, and the protruding portion is located in the groove structure.

Further, the protruding part and the groove structure are positioned on one side of the novel sealing ring close to the central axis of the sealing structure; the groove structure is communicated with the inner side face of the second sealing body.

Further, one of the first sealing body and the second sealing body is a front end cover of the air-conditioning motor, and the other sealing body is a rear end cover of the air-conditioning motor.

An electric machine comprising the novel sealing ring.

The utility model provides a novel sealing ring, when the cross-sectional shape of the sealing ring body is circular, at this moment, each sealing ring body just is equivalent to an O type sealing ring, when this novel sealing ring is used between vehicle air conditioner motor front end housing and motor rear end housing, is equivalent to adopting at least two O type sealing rings to seal, can reach better sealed effect, solved the vehicle air conditioner motor front end housing that exists among the prior art and only adopt an O type sealing ring to seal between the motor rear end housing, sealed relatively poor technical problem of effect; furthermore, the utility model provides a novel sealing washer only needs one set of mould shaping, has reduceed the cost, and during motor production, staff simple operation is efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air conditioner motor for a vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a partial enlarged view a of FIG. 2;

fig. 4 is an exploded schematic view of an air conditioning motor for a vehicle according to an embodiment of the present invention;

FIG. 5 is a schematic view in partial section taken along line B-B of FIG. 4;

fig. 6 is a schematic structural diagram of a front end cover according to an embodiment of the present invention;

FIG. 7 is a schematic view in partial section taken along line C-C of FIG. 6;

fig. 8 is a schematic structural diagram of a rear end cap according to an embodiment of the present invention;

FIG. 9 is a schematic view, partly in section, taken along line D-D of FIG. 8;

fig. 10 is a schematic structural diagram of a novel seal ring provided by an embodiment of the present invention;

fig. 11 is a schematic view, partly in section, taken along line E-E of fig. 10.

FIG. 1-seal ring body; 2-a connecting part; 3-a novel sealing ring; 4-a sealing ring body placing groove; 5-a protrusion; 6-groove structure; 7-front end cover; 8-rear end cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-11, the utility model provides a novel sealing ring, including the seal ring body 1 and connecting portion 2, wherein, the number of seal ring body 1 is two at least and all seal ring body 1 the central axis collineation, and two adjacent seal ring bodies 1 have the interval and two adjacent seal ring bodies 1 are connected through connecting portion 2. The cross sectional shape of the seal ring body 1 can be circular, and at this moment, each seal ring body 1 is just equivalent to an O type sealing washer, and among the prior art, if adopt an O type sealing washer to seal between vehicle air conditioner motor front end housing and the motor rear end cap, sealed effect is relatively poor, and adopts the utility model provides a novel sealing washer is equivalent to adopting two at least O type sealing washers to seal, can reach sealed effect better. In addition, the novel sealing ring provided by the utility model only needs one set of die for forming, thereby reducing the cost; during motor production, staff's simple operation, it is efficient.

As an optional implementation manner of the embodiment of the present invention, referring to fig. 10 to 11, the cross section of the novel seal ring 3 may be a symmetric structure with a straight line parallel to the central axis of the novel seal ring 3 as a symmetric axis, and/or a symmetric structure with a diameter along the radial direction of the novel seal ring 3 as a symmetric axis; the number of the sealing ring bodies 1 can be two, and the number of the sealing ring bodies 1 can also be other numbers, so that reasonable selection can be performed according to the requirement of the sealing grade.

The utility model provides a sealing structure, includes first seal, second seal and novel sealing washer 3, novel sealing washer 3 extrusion is so that first seal and second seal form sealing connection between first seal and the second seal. One of the first sealing body and the second sealing body can be a front end cover 7 of the vehicle air-conditioning motor, and the other sealing body can be a rear end cover 8 of the vehicle air-conditioning motor, so that sealing between the front end cover and the rear end cover of the vehicle air-conditioning motor is realized.

As an optional implementation manner of the embodiment of the present invention, an installation groove is provided on an end surface of the first sealing body, the novel sealing ring 3 is located in the installation groove, the installation groove can be provided on the front end cover 7, and an end surface of the rear end cover 8 corresponding to the installation groove can be a plane, so as to extrude the novel sealing ring 3, so that the novel sealing ring 3 deforms, fills the gap, and achieves a better sealing effect; the mounting groove includes the seal ring body standing groove 4 that is used for placing the seal ring body 1, and when the cross section of seal ring body 1 was circular, the shape of seal ring body standing groove 4 can be hemispherical structure, as shown in fig. 5, wherein, design the interband passageway between groove between two seal ring body standing grooves 4, see fig. 7 and 11, be located and have difference in height H between the terminal surface of the bottom surface of the mounting groove between two adjacent seal ring body standing grooves 4 and the first seal, connecting portion 2 is H along the length of 3 radial directions of novel sealing washer, wherein, H > H. The height difference H is used for reserving the extrusion space of the novel sealing ring 3, so that the novel sealing ring 3 is convenient to install, the production efficiency of the motor is improved, and the more effective sealing effect is achieved.

As an optional implementation manner of the embodiment of the present invention, a protruding portion 5 is formed on an end surface of the first sealing body contacting the second sealing body, a groove structure 6 is formed on an end surface of the second sealing body contacting the first sealing body, the protruding portion 5 is located in the groove structure 6, the protruding portion 5 can be disposed on the front end cover 7, and the groove structure 6 is disposed on the rear end cover 8; the protruding part 5 and the groove structure 6 are positioned on one side of the novel sealing ring 3 close to the central axis of the sealing structure; the groove structure 6 is communicated with the inner side surface of the second sealing body. The protruding part 5 can be a male spigot, the groove structure 6 can be a female spigot, and the male spigot and the female spigot are matched to realize a sealing effect; in addition, the matching of the protruding part 5 and the groove structure 6 does not influence the installation of the novel sealing ring 3.

Example 1:

referring to fig. 10 to 11, a novel seal ring comprises seal ring bodies 1 and a connecting portion 2, wherein the number of the seal ring bodies 1 is two, the central axes of the two seal ring bodies 1 are collinear, a distance exists between two adjacent seal ring bodies 1, and the two adjacent seal ring bodies 1 are connected through the connecting portion 2; the section of the seal ring body 1 is circular; the cross section of the novel sealing ring 3 is of a symmetrical structure by taking a straight line parallel to the central axis of the novel sealing ring 3 as a symmetrical axis and taking the diameter along the radial direction of the novel sealing ring 3 as the symmetrical axis.

Example 2:

referring to fig. 1-9, a seal structure includes a first seal body, a second seal body, and the novel seal ring 3 described in example 1, the novel seal ring 3 being compressed between the first seal body and the second seal body; one of the first sealing body and the second sealing body can be a front end cover 7 of the vehicle air-conditioning motor, and the other sealing body can be a rear end cover 8 of the vehicle air-conditioning motor; the front end cover 7 is provided with a mounting groove, the mounting groove comprises a sealing ring body placing groove 4 for placing a sealing ring body 1, the sealing ring body placing groove 4 is of a hemispherical structure, a channel between two sealing ring body placing grooves 4 is designed, a height difference H exists between the bottom surface of the mounting groove between two adjacent sealing ring body placing grooves 4 and the end surface of the first sealing body, the length of the connecting part 2 in the radial direction of the novel sealing ring 3 is H, and H is greater than H; the front end cover 7 can be provided with a protruding part 5, the rear end cover 8 is provided with a groove structure 6, and the protruding part 5 and the groove structure 6 can form a spigot structure to realize further sealing.

The spigot structure and the novel sealing ring form a 1-0-0 sealing mode, so that a three-layer sealing effect is achieved, a better sealing effect is achieved, and the problem of sealing the front end cover and the rear end cover of the motor is effectively solved.

Example 3:

an electric machine comprising the seal structure described in embodiment 2.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A novel sealing ring is characterized by comprising a sealing ring body (1) and a connecting part (2), wherein,

the number of the seal ring bodies (1) is at least two, the central axes of the seal ring bodies (1) are collinear, the adjacent two seal ring bodies (1) have a distance, and the adjacent two seal ring bodies (1) are connected through the connecting part (2).

2. The new seal ring according to claim 1, characterized in that the cross section of the new seal ring (3) is symmetrical about a straight line parallel to the central axis of the new seal ring (3) and/or about a diameter along the radial direction of the new seal ring (3).

3. The new sealing ring according to claim 1, characterized in that the number of said sealing ring bodies (1) is two; the cross section of the seal ring body (1) is circular.

4. A sealing structure, characterized by comprising a first sealing body, a second sealing body and a novel sealing ring (3) according to any one of claims 1-3, the novel sealing ring (3) being squeezed between the first sealing body and the second sealing body to form a sealing connection between the first sealing body and the second sealing body.

5. The sealing structure according to claim 4, characterized in that the end face of the first sealing body is provided with a mounting groove, and the novel sealing ring (3) is positioned in the mounting groove.

6. The seal structure according to claim 5, characterized in that the mounting groove comprises a seal ring body placing groove (4) for placing the seal ring body (1), a height difference H exists between the bottom surface of the mounting groove between two adjacent seal ring body placing grooves (4) and the end surface of the first sealing body, and the length of the connecting part (2) along the radial direction of the novel seal ring (3) is H, wherein H > H.

7. The sealing structure according to claim 4, characterized in that a protrusion (5) is formed on the end face of the first sealing body that contacts the second sealing body, a groove structure (6) is formed on the end face of the second sealing body that contacts the first sealing body, and the protrusion (5) is located in the groove structure (6).

8. The seal according to claim 7, characterized in that the protrusion (5) and the groove structure (6) are located on the side of the new seal ring (3) close to the seal central axis; the groove structure (6) is communicated with the inner side face of the second sealing body.

9. The seal structure according to claim 4, characterized in that one of the first seal body and the second seal body is a front end cover (7) of an air conditioning motor, and the other is a rear end cover (8) of the air conditioning motor.

10. An electrical machine comprising the novel seal ring of any one of claims 1 to 3.