A capacitor auxiliary installation structure

Abstract

The utility model discloses a capacitor auxiliary installation structure, which includes a limiting groove and a threading hole arranged in a motor rear cover, wherein the limiting groove is used to accommodate a limiting capacitor, the threading hole is used for the capacitor pin to pass through, the terminal is fixed to the motor rear cover by a rivet, the pin is arranged between the motor rear cover and the terminal, and the rivet cooperates with the motor rear cover to clamp the pin. The utility model has a pre-fixed capacitor position and state, so that the capacitor can adapt to the subsequent fixing of the capacitor by the machine, so that the fixing of the capacitor can achieve an automated and mechanized effect.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power automation equipment, in particular to a capacitor auxiliary installation structure. Background Art

[0002] Installing a capacitor of a certain capacity on the rear cover of the motor can improve some performance of the motor product. When installing a capacitor on the rear cover of the motor, the terminal is usually installed on the rear cover of the motor, one pin of the capacitor is welded to the terminal connected to the power supply, and then the terminal is fixed to the rear cover of the motor. The capacitor is fixed in the rear cover of the motor through the welding structure between the capacitor and the terminal.

[0003] The applicant believes that the capacitor is a relatively small component. During installation, it is usually fixed manually because welding is required. The firmness of the capacitor and the position of the capacitor are not fixed, which makes it difficult to have a unified standard for fixed capacitors, resulting in extremely low production efficiency and difficulty in ensuring the quality of the motor. Utility Model Content

[0004] The utility model provides a capacitor auxiliary installation structure, which realizes stable connection between the capacitor and the terminal by replacing welding with a preset installation structure, so that the installation of the capacitor can be realized by an automated machine.

[0005] The utility model provides a capacitor auxiliary installation structure adopts the following technical solution:

[0006] A capacitor auxiliary installation structure includes a limiting groove and a threading hole arranged in a motor rear cover, wherein the limiting groove is used to accommodate a limiting capacitor, the threading hole is used for the pins of the capacitor to pass through, the terminal is fixed to the motor rear cover by a rivet, the pin is arranged between the motor rear cover and the terminal, and the rivet cooperates with the motor rear cover to clamp the pin.

[0007] When installing the capacitor, the machine for installing the capacitor places the capacitor in the limiting groove of the motor back cover, and presses down one of the pins of the capacitor so that the pin is pressed into the threading hole. The threading hole and the capacitor limit the position of each other, and then the machine places the terminal on the pin and rivets the terminal to the motor back cover. The setting of the limiting groove and the threading hole can pre-fix the position and state of the capacitor, so that the capacitor can adapt to the subsequent fixation of the capacitor by the machine, so that the fixation of the capacitor can be automated and mechanized. The rivet is riveted to the motor back cover, so that the terminal is pressed against the motor back cover, and then the pin is pressed between the terminal and the motor back cover, so that the pin and the terminal are closely abutted, so that the pin and the terminal are conductive.

[0008] Preferably, the capacitor is interference-fitted with the inner side wall of the limiting groove to form a tight state.

[0009] The capacitor is tightly pressed against the inner wall of the limiting groove, making it difficult for the capacitor to separate from the limiting groove, so that the capacitor is stably installed in the limiting groove, and avoiding the need to fix the capacitor through an external structure, which makes the overall auxiliary installation structure of the capacitor too complicated.

[0010] Preferably, the groove wall of the limiting groove is broken to form a buffer portion.

[0011] The buffer portion is provided to reduce the squeezing area of ​​the capacitor by the groove wall of the limiting groove, and to provide the capacitor with a certain relaxation space, thereby preventing the capacitor from being easily damaged due to excessive squeezing force.

[0012] Preferably, the rear cover of the motor is also provided with a plug hole for rivet connection, and the terminal is penetrated by a through hole for rivet connection.

[0013] When the rivet is riveted to the terminal, the rivet first passes through the through hole and then is inserted into the socket, so that the fixed position of the rivet is uniform and unchanged, which is beneficial to improving the production quality of the product.

[0014] Preferably, the pin is tangent to the outer peripheral wall of the rivet.

[0015] The pin is tangent to the outer wall of the rivet, so that the pin is set at the position closest to the rivet. When the rivet is inserted into the rear cover of the motor, the pin can be more firmly and fully subjected to the pressure of the rivet, making the connection between the pin and the terminal more stable and preventing the pin from sliding to a position separated from the terminal.

[0016] Preferably, the motor rear cover is further provided with a support platform for supporting the pins, the pins are fitted with the upper surface of the support platform, and the threading holes penetrate the support platform.

[0017] Since the terminal has a certain height and a brush arm is generally provided under the terminal, and the brush arm has a certain height, a support platform is provided to avoid the situation where the terminal needs to sink, and there is a certain height distance between the pin of the capacitor and the rear cover of the motor. The cooperation between the support platform and the threading hole allows the pin of the capacitor to be bent into a hook shape with a larger bending angle, making it more difficult for the capacitor to be separated from the limiting groove.

[0018] Preferably, a wire groove is recessed on the upper surface of the support platform, and the wire groove communicates with the wire threading hole and the limiting groove.

[0019] When the machine bends the pin, the limiting groove cooperates with the capacitor body to limit the length direction of the pin, and the pin is pressed down until it is pressed into the wire groove. The setting of the wire groove can position the pin of the capacitor and prevent the pin from sliding away from the terminal when it is squeezed by the terminal, so that the installation of the capacitor can adapt to the machine processing method more stably. The wire groove makes the pin partially sink, reducing the pressure of the terminal on the pin, which is conducive to reducing the situation where the pin is damaged due to excessive pressure.

[0020] Preferably, baffles for pre-positioning are provided on both sides of the limiting groove, and the distance from the baffle to the rear cover of the motor is higher than the distance from the top of the limiting groove to the rear cover of the motor.

[0021] The baffles are arranged on both sides of the limiting groove, and the distance between the baffles is greater than the distance in the limiting groove for clamping the capacitor. When the machine is installing the capacitor, when the capacitor is placed on the rear cover of the motor from a distance, the setting of the baffles provides a larger deviation range for the machine to install the capacitor, making it easier to install the capacitor into the limiting groove.

[0022] Preferably, the rear cover of the motor is recessed with a positioning groove, and the positioning groove is used to install another pin of the capacitor.

[0023] When the other pin of the capacitor wire needs to pass through the rear cover of the motor, the other pin of the capacitor wire can be clamped in the positioning groove, which is helpful to further limit the movement of the capacitor.

[0024] In summary, the utility model includes the following beneficial technical effects:

[0025] When installing the capacitor, the machine for installing the capacitor places the capacitor in the limiting groove of the motor back cover, and presses down one of the pins of the capacitor so that the pin is pressed into the threading hole. The threading hole and the capacitor limit the position of each other, and then the machine places the terminal on the pin and rivets the terminal to the motor back cover. The setting of the limiting groove and the threading hole can pre-fix the position and state of the capacitor, so that the capacitor can adapt to the subsequent fixation of the capacitor by the machine, so that the fixation of the capacitor can be automated and mechanized. The rivet is riveted to the motor back cover, so that the terminal is pressed against the motor back cover, and then the pin is pressed between the terminal and the motor back cover, so that the pin and the terminal are closely abutted, so that the pin and the terminal are conductive. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an overall structural schematic diagram of a capacitor auxiliary installation structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the structure in which the capacitor is installed in the limiting slot.

[0028] Explanation of the reference numerals: 1. Motor back cover; 2. Limiting groove; 3. Threading hole; 4. Buffer part; 5. Socket; 6. Support platform; 7. Wire groove; 8. Baffle; 9. Positioning groove; 10. Terminal; 11. Brush arm; 12. Pin; 13. Capacitor; 14. Rivet. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 as well as Figure 2 The utility model is described in further detail.

[0030] The utility model embodiment discloses a capacitor auxiliary installation structure.

[0031] Reference Figure 1 as well as Figure 2 A capacitor auxiliary installation structure includes a limiting groove 2 and a threading hole 3 arranged in a motor rear cover 1, the limiting groove 2 is used to accommodate a limiting capacitor 13, the threading hole 3 is for a pin 12 of the capacitor 13 to pass through, the terminal 10 is fixed to the motor rear cover 1 by a rivet 14, the pin 12 is arranged between the motor rear cover 1 and the terminal 10, and the rivet 14 cooperates with the motor rear cover 1 to clamp the pin 12.

[0032] When installing the capacitor 13, the machine for installing the capacitor 13 places the capacitor 13 in the limiting groove 2 of the motor back cover 1, and presses down one of the pins 12 of the capacitor 13 so that the pin 12 is pressed into the threading hole 3. The threading hole 3 and the capacitor 13 restrict each other's position. Then the machine places the terminal 10 on the pin 12 and rivets the rivet 14 to the motor back cover 1. The setting of the limiting groove 2 and the threading hole 3 can pre-fix the position and state of the capacitor 13, so that the capacitor 13 can adapt to the subsequent fixation of the capacitor 13 by the machine, so that the fixation of the capacitor 13 can be automated and mechanized. The rivet 14 is riveted to the motor back cover 1, so that the terminal 10 is pressed against the motor back cover 1, and then the pin 12 is pressed between the terminal 10 and the motor back cover 1, so that the pin 12 is tightly abutted against the terminal 10, so that the pin 12 and the terminal 10 are conductive.

[0033] Reference Figure 1 as well as Figure 2 In this embodiment, the capacitor 13 is interference-fitted with the inner wall of the limiting groove 2 to form a tight state.

[0034] The capacitor 13 is pressed against the inner wall of the limiting groove 2, making it difficult for the capacitor 13 to be separated from the limiting groove 2, so that the capacitor 13 is stably installed in the limiting groove 2, and can avoid the need to fix the capacitor 13 through an external structure, which makes the auxiliary installation structure of the capacitor 13 too complicated as a whole.

[0035] Reference Figure 1 as well as Figure 2 In this embodiment, the groove wall of the limiting groove 2 is disconnected to form a buffer portion 4.

[0036] The buffer portion 4 reduces the area of ​​the capacitor 13 squeezed by the groove wall of the limiting groove 2, and provides a certain relaxation space for the capacitor 13, thereby preventing the capacitor 13 from being easily damaged due to excessive squeezing force.

[0037] Reference Figure 1 as well as Figure 2 In this embodiment, the motor rear cover 1 is further provided with a plug hole 5 for riveting the rivet 14 , and the terminal 10 is penetrated with a through hole for plugging the rivet 14 .

[0038] When the rivet 14 is riveted to the terminal 10 , the rivet 14 first passes through the through hole and then is plugged into the plug hole 5 , so that the fixing position of the rivet 14 is uniform and unchanged, which is beneficial to improving the production quality of the product.

[0039] Reference Figure 1 as well as Figure 2 In this embodiment, the pin 12 is tangent to the outer peripheral wall of the rivet 14 .

[0040] The pin 12 is tangent to the outer wall of the rivet 14, so that the pin 12 is set at the position closest to the rivet 14. When the rivet 14 is inserted into the motor back cover 1, the pin 12 can be more firmly and comprehensively subjected to the pressure of the rivet 14, so that the connection between the pin 12 and the terminal 10 is more stable, and the pin 12 is not easy to slide to a position separated from the terminal 10.

[0041] Reference Figure 1 as well as Figure 2 In this embodiment, the motor rear cover 1 is further provided with a support platform 6 for supporting the pins 12 , the pins 12 are fitted with the upper surface of the support platform 6 , and the threading holes 3 pass through the support platform 6 .

[0042] Since the terminal 10 has a certain height, and a brush arm 11 is generally provided under the terminal 10, and the brush arm 11 has a certain height, a support platform 6 is provided to avoid the situation where the terminal 10 needs to sink, and the pin 12 of the capacitor 13 has a certain height distance to the motor back cover 1. The cooperation between the support platform 6 and the threading hole 3 allows the pin 12 of the capacitor 13 to be bent into a hook shape with a larger bending angle, making it more difficult for the capacitor 13 to be separated from the limiting groove 2.

[0043] Reference Figure 1 as well as Figure 2 In this embodiment, a wire groove 7 is recessed on the upper surface of the support platform 6 , and the wire groove 7 connects the threading hole 3 and the limiting groove 2 .

[0044] When the machine bends the pin 12, the limiting groove 2 cooperates with the body of the capacitor 13 to limit the length direction of the pin 12, and the pin 12 is pressed down until the pin 12 is pressed into the wire groove 7. The setting of the wire groove 7 can position the pin 12 of the capacitor 13 and prevent the pin 12 from sliding away from the terminal 10 when it is squeezed by the terminal 10, so that the installation of the capacitor 13 can be more stably adapted to the machine processing method. In addition, the wire groove 7 allows the pin 12 to partially sink, reducing the pressure of the terminal 10 on the pin 12, which is conducive to reducing the situation where the pin 12 is damaged due to excessive pressure.

[0045] Reference Figure 1 as well as Figure 2In this embodiment, baffles 8 for pre-positioning are provided on both sides of the limiting groove 2 , and the distance from the baffle 8 to the motor rear cover 1 is higher than the distance from the top of the limiting groove 2 to the motor rear cover 1 .

[0046] The baffles 8 are arranged on both sides of the limiting groove 2, and the distance between the baffles 8 is greater than the distance in the limiting groove 2 for clamping the capacitor 13. When the machine is installing the capacitor 13, when the capacitor 13 is placed on the motor rear cover 1 from a distance, the setting of the baffles 8 provides a larger deviation range for the machine to install the capacitor 13, making it easier to install the capacitor 13 into the limiting groove 2.

[0047] Reference Figure 1 as well as Figure 2 In this embodiment, the motor rear cover 1 is recessed with a positioning groove 9, and the positioning groove 9 is used to install another pin 12 of the capacitor 13.

[0048] When the other pin 12 of the capacitor 13 needs to pass through the motor rear cover 1 , the other pin 12 of the capacitor 13 can be clamped in the positioning groove 9 , which is beneficial to further limit the movement of the capacitor 13 .

[0049] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A capacitor auxiliary mounting structure, characterized in that: It includes a terminal, a limiting groove and a threading hole arranged in the rear cover of the motor, the limiting groove is used to accommodate a limiting capacitor, the threading hole is for the pins of the capacitor to pass through, the terminal is fixed to the rear cover of the motor by rivets, the pins are arranged between the rear cover of the motor and the terminal, and the rivets cooperate with the rear cover of the motor to clamp the pins.

2. The capacitor auxiliary mounting structure according to claim 1, characterized in that: The capacitor is interference-fitted with the inner side wall of the limiting groove to form a tight state.

3. The capacitor auxiliary mounting structure according to claim 2, characterized in that: The groove wall of the limiting groove is broken to form a buffer portion.

4. The capacitor auxiliary mounting structure according to claim 1, characterized in that: The motor rear cover is also provided with a plug hole for rivet connection, and the terminal is penetrated by a through hole for rivet connection.

5. The capacitor auxiliary mounting structure according to claim 4, characterized in that: The pin is tangent to the outer peripheral wall of the rivet.

6. The capacitor auxiliary mounting structure according to claim 5, characterized in that: The motor rear cover is also provided with a support platform for supporting the pins, the pins are fitted with the upper surface of the support platform, and the threading holes penetrate the support platform.

7. The capacitor auxiliary mounting structure according to claim 6, characterized in that: The upper surface of the support platform is recessed with a wire groove, and the wire groove communicates with the wire threading hole and the limiting groove.

8. The capacitor auxiliary mounting structure according to claim 4, characterized in that: The rear cover of the motor is recessed with a positioning groove, and the positioning groove is used to install the pins of the capacitor.

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