Capacitor support convenient and stable to install

By designing a capacitor bracket that is easy to install and stable, and using the snap-on connection between the bracket mounting part, the connecting arm and the axial limit part, the problem of the capacitor loosening and falling off in the vibrating equipment is solved, and the capacitor can be stably installed and easily removed.

CN223427358UActive Publication Date: 2025-10-10HUZHOU YUEQIU MOTOR
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Patent Information

Application Number
CN202422860530.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-10-31
Filing Date
2024-11-21
Publication Date
2025-10-10
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Capacitors in equipment such as dehydrators and washing machines may become loose and fall off due to high vibration frequency, affecting the normal use of the equipment.

Method used

A capacitor bracket with convenient and stable installation is designed, which includes a bracket mounting part, a connecting arm, a clamping plate and an axial limiting part. The capacitor is clamped by a snap connection, and the axial movement of the capacitor is limited by an axial stopper to ensure that the capacitor is firmly installed in a vibration environment.

Benefits of technology

The stable installation of the capacitor is achieved, loosening and falling off due to vibration are avoided, and the installation and disassembly are convenient, and the capacitors with different outer diameters are adapted, thereby improving the reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a capacitor support convenient and stable to install, and aims to provide a capacitor support convenient and stable to install, which not only is convenient to install and disassemble, but also is stable to install, and can effectively solve the problem that the capacitor is loosened and falls off due to vibration. The bracket mounting part comprises a mounting structure for mounting a capacitor bracket and two connecting arms which are formed by extending towards the same side of the bracket mounting part; the two hoop plates are in one-to-one correspondence with the connecting arms, the hoop plates are connected to the corresponding connecting arms, the two hoop plates are connected through a buckle, and a capacitor holding cavity for installing a capacitor is formed in the space between the two hoop plates; and at least one of the two hoop plates is provided with the axial limiting part, and the axial limiting part comprises an axial stop block for limiting the axial movement of the capacitor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the capacitor installation field, concretely relates to a kind of capacitor support of easy and stable installation. BACKGROUND

[0002] Capacitor is one of the electronic components used in electronic equipment, and is widely used in direct-current isolation, coupling, bypass, filtering, tuning circuit, energy conversion, control circuit and other aspects. Currently, the capacitor of some dewatering machines or washing machines is required to be fixedly installed on the motor shell, and the dewatering machine or washing machine has high vibration frequency in use, which causes the capacitor installed on the motor shell to be often loose and fall off, resulting in capacitor fixation and affecting the normal use of the dewatering machine or washing machine. SUMMARY

[0003] The utility model aims at providing a kind of capacitor support of easy and stable installation, which is not only easy to install and disassemble, but also stable in capacitor installation, and can effectively solve the problem of loose and falling off of capacitor due to vibration.

[0004] The technical scheme of the utility model is:

[0005] A kind of capacitor support of easy and stable installation, comprising:

[0006] Support installation part, which includes installation structure for installing capacitor support and two connecting arms extending to the same side of support installation part;

[0007] Two hoop plates corresponding to the connecting arms, the hoop plate is connected to the corresponding connecting arm, the two hoop plates are connected by buckle, and the space between the two hoop plates forms a capacitor holding cavity for installing capacitor;

[0008] Axial limiting portion, at least one of the two hoop plates is provided with the axial limiting portion, and the axial limiting portion includes an axial stopper for limiting axial movement of the capacitor. The specific use of the capacitor support of the present scheme is as follows: the capacitor is inserted into the capacitor holding cavity, and one end of the capacitor abuts against the axial stopper;Two hoop plates are connected by buckle, so as to hold and fix the capacitor on the capacitor support;The capacitor support is installed on the motor shell by the installation structure of support installation part. In this way, on the one hand, the capacitor is easy to install and disassemble;On the other hand, the capacitor can be held by two hoop plates to avoid radial loosening and axial movement of the capacitor, and the axial movement of the capacitor can be further avoided by the limitation of the axial stopper, so that the capacitor is stable in installation, and the problem of loose and falling off of capacitor due to vibration can be effectively solved.

[0009] In addition, the clamping plates are connected to the corresponding connecting arms. On the one hand, in the process of the two clamping plates clamping the capacitor, the deformation of the connecting arms can achieve the situation that the clamping plates themselves do not deform, so that the two clamping plates can be better pressed against the outer wall of the capacitor to clamp and fix the capacitor; on the other hand, when the capacitor bracket is installed on the motor housing through the mounting structure, the connecting arms can maintain a sufficient gap between the capacitor and the motor housing to avoid contact between the capacitor and the motor, which is beneficial to reducing the vibration of the capacitor itself.

[0010] Preferably, one of the two clamping plates includes a clamping portion and an elastic clamping portion, the inner side surface of the clamping portion is an arc surface that cooperates with the capacitor, and one end of the clamping portion is provided with an extension portion extending outward, and the elastic clamping portion is located on the outside of the other clamping plate, and there is a gap between the elastic clamping portion and the other clamping plate, one end of the elastic clamping portion is connected to the extension portion, and the other end of the elastic clamping portion is connected to the other clamping plate through the buckle; the inner side surface of the other clamping plate is an arc surface that cooperates with the capacitor. After the two clamping plates clamp the capacitor, one clamping plate fits tightly against the outer wall of the capacitor through the arc surface of the clamping portion, and the inner side surface of the other clamping plate fits tightly against the outer wall of the capacitor, with a gap between the elastic clamping portion and the outer wall of the capacitor. Based on this, on the one hand, the inner side surface of the clamping portion of one clamping plate and the inner side surface of the other clamping plate fit tightly against the outer wall of the capacitor to clamp the capacitor, ensuring that the clamping of the capacitor is stable and reliable. On the other hand, the deformation of the elastic clamping portion can adapt to the clamping and fixation of capacitors with different outer diameters within a certain range, thereby improving versatility. Specifically, after the two clamping plates clamp the capacitor, if the outer diameter of the capacitor is too small, the gap between the elastic clamping portion and the other clamping plate is too large; if the outer diameter of the capacitor is too large, the gap between the elastic clamping portion and the other clamping plate is too small.

[0011] Preferably, the holding portion, the extending portion and the elastic clamping portion are an integrally formed structure.

[0012] Preferably, the ends of the connecting arms are provided with outwardly extending connecting portions, and the clamping plates are connected to the connecting portions of the corresponding connecting arms, and the thickness of the connecting portions is less than the thickness of the connecting arms. In this way, when the two clamping plates clamp the capacitor, the deformation of the connecting portions between the clamping plates and the connecting arms can achieve the effect of better abutting the outer wall of the capacitor to secure the capacitor without deforming the clamping plates themselves.

[0013] Preferably, one end of each clamp plate extends between the two connecting arms, and the inner side of the clamp plate between the two connecting arms is a circular arc surface that matches the capacitor. This helps to increase the contact area between the clamp plate and the capacitor, thereby improving the stability of the capacitor installation.

[0014] Preferably, the axial stopper further comprises a slot opening toward the capacitor holding cavity. A capacitor mounted within the capacitor holding cavity is provided with an annular protrusion on one end thereof that mates with the slot, the annular protrusion extending into the slot. In this manner, the axial stopper not only limits axial movement and loosening of the capacitor, but also, through the cooperation of the annular protrusion on one end of the capacitor with the slot, limits the radial position of one end of the capacitor, effectively preventing the capacitor end from shaking, thereby further improving the stability of the capacitor.

[0015] Preferably, an annular protrusion is provided on the sidewall of one end of the capacitor mounted within the capacitor clamping cavity, the annular protrusion being positioned between the axial stopper and the clamping plate. In this manner, the axial stopper can limit the capacitor from moving loose toward one axial end; the clamping plate can also cooperate with the annular protrusion to limit the capacitor from moving loose toward the other axial end, thereby preventing the capacitor from moving loose at both axial ends.

[0016] Preferably, one of the two clamping plates is provided with upper and lower limit blocks, the two limit blocks being located near the ends of the clamping plate, and the other clamping plate being located between the two limit blocks. In this way, the two limit blocks can limit the relative displacement of the two clamping plates in the axial direction of the capacitor, thereby preventing the problem of the clamping plates loosening due to relative displacement of the two clamping plates in the axial direction of the capacitor.

[0017] Preferably, elastic wire clamps are provided on the outer sides of the two connecting arms, and a wire passage is formed between the elastic wire clamps and the connecting arms. In this way, the signal wires of the capacitor can be fixed in the wire passage by the elastic wire clamps, reducing the shaking of the signal wires of the capacitor.

[0018] Preferably, the bracket mounting portion also includes a base plate, two connecting arms are arranged on opposite sides of the base plate, the mounting structure is arranged on the base plate, the mounting structure includes a slot arranged on the outer wall of the bracket mounting portion, one end of the slot is provided with a limiting protrusion, and the other end of the slot is provided with an elastic hook; or the mounting structure is composed of connecting bolts.

[0019] The beneficial effects of the utility model are: not only the capacitor is easy to install and disassemble, but also the capacitor is stably installed, and the problem of the capacitor becoming loose and falling off due to vibration can be effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a capacitor bracket of the utility model which is easy to install and stable.

[0021] Figure 2 It is a bottom view of a capacitor bracket of the utility model which is easy to install and stable.

[0022] Figure 3This is a three-dimensional structural schematic diagram of a capacitor bracket that is easy to install and stable during actual application of the utility model.

[0023] In the picture:

[0024] Bracket mounting portion 1, connecting arm 1.1, base plate 1.2, connecting portion 1.3;

[0025] Mounting structure 2, slot 2.1, limiting protrusion 2.2, elastic hook 2.3;

[0026] Hoop plate 3, holding portion 3.1, elastic clamping portion 3.2, extending portion 3.3;

[0027] End clamping block 4.1, side clamping block 4.2;

[0028] Axial limiting portion 5, axial stopper 5.1, clamping groove 5.2, axial arm 5.3;

[0029] Limit stop 6;

[0030] Elastic wire buckle 7, wire opening 7.1, wire stop block 7.2;

[0031] Capacitor holding cavity 8;

[0032] Capacitor 9, end face annular protrusion 9.1, side wall annular protrusion 9.2. DETAILED DESCRIPTION

[0033] Specific embodiment 1, as Figure 1 、 Figure 2 、 Figure 3 As shown, a capacitor bracket that is easy to install and stable includes a bracket mounting portion 1, two clamping plates 3 and an axial limiting portion 5. The bracket mounting portion 1 includes a mounting structure 2 for installing the capacitor bracket and two connecting arms 1.1 extending to the same side of the bracket mounting portion 1. The two clamping plates 3 correspond one to one to the connecting arms 1.1. The clamping plates 3 are connected to the corresponding connecting arms 1.1. The two clamping plates 3 are connected by a snap fastener. The space between the two clamping plates 3 forms a capacitor clamping cavity 8 for installing the capacitor. At least one of the two clamping plates 3 is provided with the axial limiting portion 5, and the axial limiting portion 5 includes an axial stopper 5.1 for limiting the axial movement of the capacitor.

[0034] The specific use of the capacitor bracket of this embodiment is as follows:

[0035] like Figure 3As shown, by inserting the capacitor 9 into the capacitor clamping cavity 8, one end of the capacitor 9 rests on the axial stopper 5.1; the two clamping plates 3 are connected by snap-fitting, so that the capacitor is clamped and fixed on the capacitor bracket, so that the capacitor is conveniently installed and fixed to the capacitor bracket. In addition, the two clamping plates 3 are connected by snap-fitting, and the snaps of the two clamping plates 3 are detachable, so as to facilitate the disassembly of the capacitor. The capacitor bracket is installed on the motor housing through the mounting structure 2 of the bracket mounting portion 1, so that the capacitor and the capacitor bracket are installed on the motor housing together. In this way, on the one hand, the capacitor is easy to install and disassemble; on the other hand, the capacitor can be clamped by the two clamping plates 3 to prevent radial loosening and axial movement of the capacitor. At the same time, the axial movement of the capacitor can be further prevented from loosening by the restriction of the axial stopper 5.1. Therefore, the capacitor is stably installed, which can effectively solve the problem of loosening and falling off of the capacitor due to vibration.

[0036] In addition, the clamping plate 3 is connected to the corresponding connecting arm 1.1. On the one hand, in the process of the two clamping plates 3 clamping the capacitor, the deformation of the connecting arm 1.1 can achieve the situation that the clamping plates 3 themselves do not deform, so that the two clamping plates 3 can be better close to the outer wall of the capacitor and clamp the capacitor tightly. On the other hand, when the capacitor bracket is installed on the motor housing through the mounting structure 2, the connecting arm 1.1 can maintain a sufficient gap between the capacitor and the motor housing to avoid contact between the capacitor and the motor, which is beneficial to reduce the vibration of the capacitor itself.

[0037] Specific embodiment 2, as Figure 1 、 Figure 2 、 Figure 3 As shown, a capacitor bracket with convenient and stable installation includes a bracket mounting portion 1, two clamping plates 3 and an axial limit portion 5. The bracket mounting portion 1 includes a mounting structure 2 for mounting the capacitor bracket and two connecting arms 1.1 extending to the same side of the bracket mounting portion 1.

[0038] In one embodiment, Figure 1 、 Figure 2 As shown, the mounting structure 2 includes a slot 2.1 provided on the outer wall of the bracket mounting portion. A stopper protrusion 2.2 is provided at one end of the slot 2.1, and an elastic hook 2.3 is provided at the other end of the slot 2.1. In this method, a plug-in plate is provided on the motor housing. The plug-in plate is inserted into the slot 2.1 through the end of the slot 2.1 where the elastic hook 2.3 is located until the plug-in plate abuts against the stopper protrusion 2.2. At this time, the elastic hook 2.3 hooks the plug-in plate, thereby fixing the plug-in plate in the slot 2.1, so that the capacitor bracket can be mounted on the motor housing through the mounting structure 2 of the bracket mounting portion 1.

[0039] In another embodiment, the mounting structure 2 is formed by connecting bolts (not shown in the figure). In this embodiment, the bracket mounting portion 1 is connected to the motor housing by connecting bolts.

[0040] The two clamping plates 3 correspond to the connecting arms 1.1 one by one. The clamping plates 3 are connected to the corresponding connecting arms 1.1. The two clamping plates 3 are connected by a snap-fit ​​connection. The space between the two clamping plates 3 forms a capacitor clamping cavity 8 for installing the capacitor.

[0041] At least one of the two hoop plates 3 is provided with the axial limiting portion 5 , and the axial limiting portion 5 includes an axial stopper 5 . 1 for limiting the axial movement of the capacitor.

[0042] In one embodiment, an axial limit portion 5 is provided on each of the two clamping plates 3. Thus, after the two clamping plates 3 clamp the capacitor, the axial stoppers 5.1 on the two clamping plates 3 can limit the capacitor from moving axially toward one end and loosening.

[0043] In another embodiment, only one of the two clamping plates 3 is provided with the axial limit portion 5. In this way, after the two clamping plates 3 clamp the capacitor, the axial stopper 5.1 on one clamping plate 3 can limit the capacitor from moving axially to one end and loosening.

[0044] The specific use of the capacitor bracket of this embodiment is as follows:

[0045] like Figure 3 As shown, by inserting the capacitor 9 into the capacitor clamping cavity 8, one end of the capacitor 9 rests on the axial stopper 5.1; the two clamping plates 3 are connected by snap-fitting, so that the capacitor 9 is clamped and fixed on the capacitor bracket, so that the capacitor is conveniently installed and fixed to the capacitor bracket. In addition, the two clamping plates 3 are connected by snap-fitting, and the snaps of the two clamping plates 3 are detachable, so as to facilitate the removal of the capacitor. The capacitor bracket is installed on the motor housing through the mounting structure 2 of the bracket mounting portion 1, so that the capacitor and the capacitor bracket are installed on the motor housing together. In this way, on the one hand, the capacitor is easy to install and disassemble; on the other hand, the capacitor can be clamped by the two clamping plates 3 to prevent radial loosening and axial movement of the capacitor. At the same time, the axial movement of the capacitor can be further prevented from loosening by the restriction of the axial stopper 5.1. Therefore, the capacitor is stably installed, which can effectively solve the problem of loosening and falling off of the capacitor due to vibration.

[0046] In addition, the clamping plate 3 is connected to the corresponding connecting arm 1.1. On the one hand, in the process of the two clamping plates 3 clamping the capacitor, the deformation of the connecting arm 1.1 can achieve the situation that the clamping plates 3 themselves do not deform, so that the two clamping plates 3 can be better close to the outer wall of the capacitor and clamp the capacitor tightly. On the other hand, when the capacitor bracket is installed on the motor housing through the mounting structure 2, the connecting arm 1.1 can maintain a sufficient gap between the capacitor and the motor housing to avoid contact between the capacitor and the motor, which is beneficial to reduce the vibration of the capacitor itself.

[0047] Specifically, such as Figure 1 、 Figure 2 As shown, the bracket mounting portion 1 also includes a base plate 1.2. Two connecting arms 1.1 are arranged on opposite sides of the base plate 1.2. The two connecting arms 1.1 extend toward the same side of the base plate 1.2. The hoop plate 3 and the connecting arms 1.1 are both located on the same side of the base plate 1.2. The mounting structure 2 is arranged on the base plate 1.2. In this embodiment, the base plate 1.2, the two connecting arms 1.1, the two hoop plates 3 and the axial limit portion 5 are an integrally formed structure.

[0048] The axial limiting portion 5 includes an axial arm 5.3, which is arranged on the clamping plate 3, and an axial stopper 5.1 is arranged at the end of the axial arm 5.3. The axial arm 5.3 is parallel to the axial direction of the capacitor installed in the capacitor clamping cavity 8.

[0049] Further, such as Figure 1 、 Figure 2 、 Figure 3 As shown, one of the two clamping plates 3 includes a clamping portion 3.1 and an elastic clamping portion 3.2. In this embodiment, the clamping portion 3.1 is in the shape of an arc plate. The inner side surface of the clamping portion 3.1 is an arc surface that cooperates with the capacitor, and one end of the clamping portion 3.1 is provided with an extension portion 3.3 that extends outward. In this embodiment, the elastic clamping portion 3.2 is in the shape of an arc plate, and the elastic clamping portion 3.2 is located on the outside of the other clamping plate 3, and there is a gap between the elastic clamping portion 3.2 and the other clamping plate 3. One end of the elastic clamping portion 3.2 is connected to the extension portion 3.3, and the other end of the elastic clamping portion 3.2 is connected to the other clamping plate 3 by the aforementioned snap connection. In this embodiment, the clamping portion 3.1, the extension portion 3.3 and the elastic clamping portion 3.2 are an integrally formed structure. In this embodiment, the other clamping plate 3 is in the shape of an arc plate, and the inner side surface of the other clamping plate 3 is an arc surface that cooperates with the capacitor. After the two clamping plates 3 clamp the capacitor, one clamping plate 3 is tightly fitted with the outer wall of the capacitor through the arc surface of the clamping portion 3.1, the inner side surface of the other clamping plate 3 is tightly fitted with the outer wall of the capacitor, and there is a gap between the elastic clamping portion 3.2 and the outer wall of the capacitor; based on this, on the one hand, the inner side surface of the clamping portion 3.1 of one clamping plate 3 and the inner side surface of the other clamping plate 3 are tightly fitted with the outer wall of the capacitor to clamp the capacitor, ensuring that the clamping of the capacitor is stable and reliable; on the other hand, the deformation of the elastic clamping portion 3.2 can be used to adapt to the clamping and fixation of capacitors with different outer diameters within a certain range, thereby improving versatility. Specifically, after the two clamping plates 3 clamp the capacitor, if the outer diameter of the capacitor is too small, the gap between the elastic clamping portion 3.2 and the other clamping plate 3 is too large; if the outer diameter of the capacitor is too large, the gap between the elastic clamping portion 3.2 and the other clamping plate 3 is too small.

[0050] like Figure 1 、 Figure 2As shown, the other end of the elastic clamping portion 3.2 is connected to the other clamping plate 3 by a buckle. The specific method of the buckle is as follows: the other end of the elastic clamping portion 3.2 is provided with an end clamping block 4.1, and the outer surface of the other clamping plate 3 is provided with a side clamping block 4.2. The number of side clamping blocks 4.2 is one or more, and the multiple side clamping blocks 4.2 are distributed in sequence along the circumference of the clamping plate 3. When there are multiple side clamping blocks 4.2, the end clamping block 4.1 can be matched with different side clamping blocks 4.2 to clamp the capacitor, thereby adapting to the clamping and fixing of capacitors with different outer diameters and improving versatility.

[0051] Further, such as Figure 1 、 Figure 2 As shown, the end of the connecting arm 1.1 is provided with a connecting portion 1.3 extending outward, and the clamping plate 3 is connected to the connecting portion 1.3 of the corresponding connecting arm 1.1. The thickness of the connecting portion 1.3 is less than the thickness of the connecting arm 1.1. In this way, when the two clamping plates 3 clamp the capacitor, the connection portion 1.3 between the clamping plates 3 and the connecting arm 1.1 can be deformed to achieve that the two clamping plates 3 can be better pressed against the outer wall of the capacitor, clamping the capacitor tightly without deforming the clamping plates 3 themselves.

[0052] Further, such as Figure 1 、 Figure 2 、 Figure 3 As shown, one end of each clamp plate 3 extends between the two connecting arms 1.1, and the inner side surface of the clamp plate 3 located between the two connecting arms 1.1 is a circular arc surface that matches the capacitor. This helps to increase the contact area between the clamp plate 3 and the capacitor, thereby improving the stability of the capacitor installation.

[0053] Further, such as Figure 1 、 Figure 2 As shown, one of the two clamping plates 3 is provided with upper and lower limit blocks 6, which are located near the ends of the clamping plate 3, and the other clamping plate 3 is located between the two limit blocks 6. In this way, the two limit blocks 6 can limit the relative displacement of the two clamping plates 3 in the axial direction of the capacitor, preventing the relative displacement of the two clamping plates 3 in the axial direction of the capacitor, which could cause the buckle between the two clamping plates 3 to loosen.

[0054] Further, such as Figure 1 、 Figure 2 、 Figure 3 As shown, the outer surfaces of the two connecting arms 1.1 are also provided with elastic wire clamps 7, and a wire passage 7.1 is formed between the elastic wire clamps 7 and the connecting arms 1.1. In this way, the signal wires of the capacitors can be clamped in the wire passage 7.1 through the elastic wire clamps 7, reducing the shaking of the signal wires of the capacitors.

[0055] Specifically, both ends of the elastic wire buckle 7 are provided with a wire blocking block 7.2 extending toward the same side, one of the wire blocking blocks 7.2 is connected to the connecting arm 1.1; the other wire blocking block 7.2 is close to the connecting arm 1.1, and the wire blocking block can be separated from the connecting arm 1.1; the signal line of the capacitor can pass between the wire blocking block and the connecting arm 1.1 and enter the wire passing port 7.1.

[0056] Further, such as Figure 1 、 Figure 3 As shown, axial stopper 5.1 is further provided with a slot 5.2 opening toward capacitor holding cavity 8. Capacitor 9, mounted within capacitor holding cavity 8, is provided with an annular protrusion 9.1 on one end thereof that mates with slot 5.2. This protrusion 9.1 extends into said slot 5.2. This way, axial stopper 5.1 not only limits the axial movement and loosening of the capacitor, but also, through the cooperation of annular protrusion 9.1 on one end of the capacitor and slot 5.2, limits the radial position of one end of the capacitor, effectively preventing the capacitor's end from shaking, thereby further improving the capacitor's stability.

[0057] Further, such as Figure 1 、 Figure 3 As shown, a sidewall annular protrusion 9.2 is provided on the sidewall of one end of the capacitor mounted within the capacitor clamping cavity 8. This protrusion 9.2 is located between the axial stop 5.1 and the clamping plate 3. This prevents the capacitor from moving loose in one axial direction by means of the axial stop 5.1. Furthermore, the clamping plate 3 cooperates with the sidewall annular protrusion 9.2 to prevent the capacitor from moving loose in the other axial direction, thereby preventing the capacitor from moving loose in either axial direction.

[0058] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent transformation of the above embodiment based on the technical essence of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A capacitor bracket that is easy to install and stable, characterized by: include: A bracket mounting portion, comprising a mounting structure for mounting the capacitor bracket and two connecting arms extending toward the same side of the bracket mounting portion; Two clamping plates corresponding to the connecting arms are connected to the corresponding connecting arms. The two clamping plates are connected by snaps, and the space between the two clamping plates forms a capacitor clamping cavity for installing the capacitor; An axial limiting portion is provided on at least one of the two hoop plates, and the axial limiting portion includes an axial stopper for limiting the axial movement of the capacitor.

2. The capacitor bracket that is easy to install and stable according to claim 1 is characterized in that: One of the two hoop plates includes a clamping portion and an elastic clipping portion, the inner side surface of the clamping portion is an arc surface that cooperates with the capacitor, and one end of the clamping portion is provided with an extension portion extending outward, the elastic clipping portion is located on the outside of the other hoop plate, and there is a gap between the elastic clipping portion and the other hoop plate, one end of the elastic clipping portion is connected to the extension portion, and the other end of the elastic clipping portion is connected to the other hoop plate through the buckle; the inner side surface of the other hoop plate is an arc surface that cooperates with the capacitor.

3. The capacitor bracket that is easy to install and stable according to claim 2 is characterized in that: The holding portion, the extending portion and the elastic clamping portion are an integrally formed structure.

4. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: The end of the connecting arm is provided with a connecting portion extending outward, the hoop plate is connected to the connecting portion of the corresponding connecting arm, and the thickness of the connecting portion is smaller than the thickness of the connecting arm.

5. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: One end of each hoop plate extends between the two connecting arms, and the inner side surface of the hoop plate located between the two connecting arms is an arc surface that matches the capacitor.

6. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: The axial stopper is also provided with a slot with an opening toward the capacitor holding cavity. One end edge of the capacitor installed in the capacitor holding cavity is provided with an end face annular protrusion that cooperates with the slot, and the end face annular protrusion extends into the slot.

7. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: A side wall annular protrusion is provided on the side wall of one end of the capacitor installed in the capacitor clamping cavity, and the side wall annular protrusion is located between the axial stopper and the clamping plate.

8. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: One of the two hoop plates is provided with two upper and lower limit blocks, the two limit blocks are close to the ends of the hoop plate, and the other hoop plate is located between the two limit blocks.

9. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: Elastic wire pressing buckles are also provided on the outer sides of the two connecting arms, and a wire passing opening is formed between the elastic wire pressing buckle and the connecting arm where it is located.

10. A capacitor bracket that is easy to install and stable according to claim 1, 2 or 3, characterized in that: The bracket mounting portion also includes a base plate, and two connecting arms are arranged on opposite sides of the base plate. The mounting structure is arranged on the base plate, and the mounting structure includes a slot arranged on the outer wall of the bracket mounting portion, one end of the slot is provided with a limiting protrusion, and the other end of the slot is provided with an elastic hook; or the mounting structure is composed of connecting bolts.