CN205265458U - A capacitor installation structure of a motor and a motor for its application - Google Patents

Abstract

The utility model discloses a capacitor installation structure of a motor and a motor using the same, wherein the capacitor installation structure of the motor comprises a capacitor box and a capacitor, a cavity is opened in the middle of the capacitor box, a protrusion is arranged on the inner side surface of the cavity, a groove is arranged on the outer side surface of the capacitor, the capacitor is installed in the cavity, and the protrusion is nested in the groove, the structure is simple and the installation is convenient.

Description

A capacitor installation structure of a motor and a motor for its application

Technical field:

The utility model relates to a capacitor installation structure of a motor and a motor applied thereto, belonging to the technical field of motors.

Background technique:

In the fan industry, the capacitor of the motor is usually placed in the capacitor box fixed under the motor body by screws, as shown in Figure 1 and Figure 2, the capacitor generally adopts a square plastic case capacitor 100, and the capacitor is sealed by foam glue. 101 Bond the outer surface of the capacitor 100 to the capacitor box 102 made of metal material. However, due to the short service life of the foam glue 101, it is difficult to do it within 8-10 years in the environment of the air duct machine. The bonding between the outer surface of the capacitor 100 and the capacitor box 102 meets the requirements. With the aging of the foam glue and glue, the bonding of the capacitor in the capacitor box is prone to failure, and the result is that the vibration of the motor body will be transmitted to the unconnected There is abnormal load noise on the fixed capacitor. Secondly, both the foam cotton and the bonding process need to consume additional material costs and labor costs, which obviously do not meet the increasingly stringent requirements for cost control.

Utility model content:

The first purpose of this utility model is to provide a capacitor mounting structure for a motor, which has a simple structure and is easy to install;

The second purpose of the utility model is to provide a motor with simple structure and long service life.

The purpose of this utility model is achieved through the following technical solutions.

A capacitor installation structure for a motor, including a capacitor box and a capacitor, a cavity is opened in the middle of the capacitor box, a protrusion is arranged on the inner side of the cavity, a groove is arranged on the outer side of the capacitor, and the capacitor is installed in the cavity Inside, the protrusions nest inside the grooves.

The protrusion includes a strip portion extending along the depth direction of the cavity and a circular portion located at the bottom of the strip portion, the diameter of the circular portion being greater than the width of the strip portion.

A plurality of bosses are provided on the outer surface of the capacitor, and the groove is formed between two adjacent bosses, and the groove includes a strip groove extending along the height direction of the capacitor and a circular groove at the bottom of the strip groove. Shaped groove, the diameter of the circular groove is greater than the width of the bar groove.

Indicating arrows are arranged beside the groove and on the outer surface of the capacitor.

The above-mentioned protrusions are stamped.

Protrusions are provided on two opposite inner sides of the cavity, and the number of protrusions on each inner side is two.

A motor includes a motor body, a capacitor box and a capacitor. The capacitor box is installed on the motor body. A cavity is opened in the middle of the capacitor box. Protrusions are arranged on the inner side of the cavity, and concave holes are arranged on the outer side of the capacitor. The capacitor is installed in the cavity, and the protrusion is nested in the groove.

The protrusion includes a strip portion extending along the depth direction of the cavity and a circular portion located at the bottom of the strip portion, the diameter of the circular portion being greater than the width of the strip portion.

A plurality of bosses are provided on the outer surface of the capacitor, and the groove is formed between two adjacent bosses, and the groove includes a strip groove extending along the height direction of the capacitor and a circular groove at the bottom of the strip groove. The diameter of the circular groove is greater than the width of the bar groove, and an indicating arrow is arranged on the side of the groove and on the outer surface of the capacitor.

The above-mentioned protrusions are formed by stamping, and there are protrusions on two opposite inner sides of the cavity, and the number of protrusions on each inner side is two.

Compared with the prior art, the utility model has the following effects:

1) There is a cavity in the middle of the capacitor box, a protrusion is provided on the inner surface of the cavity, and a groove is provided on the outer surface of the capacitor. The capacitor is installed in the cavity, and the protrusion is nested in the groove. The structure is simple and the installation is convenient. Compared with the existing bonding method using foam cotton, the utility model can ensure that the combination between the capacitor and the capacitor box will not fail for a long time, so that no load will be generated due to the unfixed capacitor. At the same time, due to the elimination of the use of foam cotton and bonding processes, additional material costs and labor costs can be reduced, meeting the increasingly stringent requirements for cost control;

2) The protrusion includes a bar-shaped part extending along the depth direction of the cavity and a circular part at the bottom of the bar-shaped part. The diameter of the circular part is larger than the width of the bar-shaped part. The raised structure has a back-stop function, so that the capacitor does not It will be easily loosened, even if it is taken out, it will take a lot of strength, thus making the installation of the capacitor firm and reliable;

3) The protrusion is formed by stamping, the production process is simple and the cost is low;

4) Protrusions are provided on two opposite inner sides of the cavity, and the number of protrusions on each inner side is two, so that the capacitor is evenly stressed and installed securely.

Description of drawings:

Fig. 1 is the three-dimensional view of the capacitor installation structure of existing motor;

Fig. 2 is the exploded diagram of the capacitance installation structure of existing motor;

Fig. 3 is the three-dimensional view of the capacitance installation structure of motor in the embodiment;

Fig. 4 is the exploded diagram of the capacitor installation structure of motor in the embodiment;

Fig. 5 is a side view of the capacitor installation structure of the motor in the embodiment;

Fig. 6 is a sectional view of line A-A in Fig. 5;

Fig. 7 is a partially enlarged view of part B in Fig. 6;

Fig. 8 is a top view of the capacitor installation structure of the motor in the embodiment;

Fig. 9 is a sectional view of CC line in Fig. 8;

Fig. 10 is a perspective view of the motor in the embodiment.

detailed description:

The utility model will be described in further detail below through specific embodiments in conjunction with the accompanying drawings.

Embodiment 1: As shown in Figure 3 to Figure 9, this embodiment is a capacitor installation structure of a motor, including a capacitor box 1 and a capacitor 2, a cavity 10 is opened in the middle of the capacitor box 1, and the inner surface of the cavity 10 Protrusions 11 are provided on the top, and grooves 21 are provided on the outer surface of the capacitor 2. The capacitor 2 is installed in the cavity 10, and the protrusions 11 are nested in the grooves 21. The protrusion 11 includes a strip portion 111 extending along the depth direction of the cavity 10 and a circular portion 112 located at the bottom of the strip portion 111 . The diameter of the circular portion 112 is larger than the width of the strip portion 111 . A plurality of bosses 22 are arranged on the outer surface of the capacitor 2, and the groove 21 is formed between two adjacent bosses 22. The groove 21 includes a bar-shaped groove 211 extending along the height direction of the capacitor 2 and a The circular groove 212 at the bottom of the strip-shaped groove 211 has a diameter larger than the width of the strip-shaped groove 211 . On the side of the groove 21 and on the outer surface of the capacitor 2, an indicating arrow 23 is arranged. The protrusion 11 is stamped. Protrusions 11 are provided on two opposite inner sides of the cavity 10, and the number of protrusions 11 on each inner side is two.

Embodiment 2: As shown in Figure 3 to Figure 10, this embodiment is a motor, including a motor body 3, a capacitor box 1 and a capacitor 2, the capacitor box 1 is installed on the motor body 3, and a space is opened in the middle of the capacitor box 1 The cavity 10 has a protrusion 11 on the inner side of the cavity 10 and a groove 21 on the outer side of the capacitor 2 . The capacitor 2 is installed in the cavity 10 and the protrusion 11 is nested in the groove 21 . The protrusion 11 includes a strip portion 111 extending along the depth direction of the cavity 10 and a circular portion 112 located at the bottom of the strip portion 111 . The diameter of the circular portion 112 is larger than the width of the strip portion 111 . A plurality of bosses 22 are arranged on the outer surface of the capacitor 2, and the groove 21 is formed between two adjacent bosses 22. The groove 21 includes a bar-shaped groove 211 extending along the height direction of the capacitor 2 and a The circular groove 212 at the bottom of the strip-shaped groove 211 has a diameter larger than the width of the strip-shaped groove 211 , and an indicator arrow 23 is arranged on the side of the groove 21 and on the outer surface of the capacitor 2 . The protrusions 11 are formed by punching, and there are protrusions 11 on two opposite inner sides of the cavity 10, and the number of protrusions 11 on each inner side is two.

The above embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention are equivalent All replacement methods are included within the protection scope of the present invention.

Claims (10)

1. a capacitor installation structure for motor, comprises capacitor box (1) and electric capacity (2), capacitor box (1)Centre offers cavity (10), it is characterized in that: on the medial surface of cavity (10), be provided with projection (11),On the lateral surface of electric capacity (2), be provided with groove (21), electric capacity (2) is arranged on cavity (10) the inside,Projection (11) is nested in groove (21) the inside.

2. the capacitor installation structure of a kind of motor according to claim 1, is characterized in that: described protrudingPlaying (11) comprises the bar shaped part (111) of extending along cavity (10) depth direction and is positioned at bar shaped part (111)The circular portion (112) of bottom, the diameter of circular portion (112) is greater than the width of bar shaped part (111).

3. the capacitor installation structure of a kind of motor according to claim 1 and 2, is characterized in that:On the lateral surface of electric capacity (2), be provided with some boss (22), between adjacent 2 boss (22), formDescribed groove (21), described groove (21) comprises the bar-shaped trough (211) extending along electric capacity (2) short transverseWith the circular trough (212) that is positioned at bar-shaped trough (211) bottom, the diameter of circular trough (212) is greater than bar-shaped trough(211) width.

4. the capacitor installation structure of a kind of motor according to claim 1 and 2, is characterized in that:On the side of groove (21), the lateral surface of electric capacity (2), be provided with arrow (23).

5. the capacitor installation structure of a kind of motor according to claim 1 and 2, is characterized in that: instituteStating projection (11) is stamped to form.

6. the capacitor installation structure of a kind of motor according to claim 1 and 2, is characterized in that:Cavity (10) is wherein provided with projection (11) on 2 relative medial surfaces, the projection (11) on each medial surfaceQuantity is 2.

7. a motor, comprises motor body (3), capacitor box (1) and electric capacity (2), capacitor box (1)Be arranged on motor body (3) upper, in the middle of capacitor box (1), offer cavity (10), it is characterized in that:On the medial surface of cavity (10), be provided with projection (11), on the lateral surface of electric capacity (2), be provided with groove(21), electric capacity (2) is arranged on cavity (10) the inside, and projection (11) is nested in groove (21) the inside.

8. a kind of motor according to claim 7, is characterized in that: described projection (11) comprises edgeThe bar shaped part (111) that cavity (10) depth direction extends and be positioned at the circle bottom bar shaped part (111)Shape part (112), the diameter of circular portion (112) is greater than the width of bar shaped part (111).

9. according to the capacitor installation structure of a kind of motor described in claim 7 or 8, it is characterized in that:On the lateral surface of electric capacity (2), be provided with some boss (22), between adjacent 2 boss (22), formDescribed groove (21), described groove (21) comprises the bar-shaped trough (211) extending along electric capacity (2) short transverseWith the circular trough (212) that is positioned at bar-shaped trough (211) bottom, the diameter of circular trough (212) is greater than bar-shaped trough(211) width is provided with arrow on the lateral surface of the side of groove (21), electric capacity (2)(22)。

10. according to the capacitor installation structure of a kind of motor described in claim 7 or 8, it is characterized in that: instituteState projection (11) and be stamped to form, be wherein provided with on 2 relative medial surfaces protruding at cavity (10)Rise (11), projection (11) quantity on each medial surface is 2.