Protective power capacitor

Abstract

The utility model discloses a protection type power capacitor, which comprises clamping blocks, the clamping blocks are slidably connected to the inner side of a wiring groove, the clamping blocks are fixedly connected to the left and right ends of the middle part of the inner side of the clamping groove respectively, the upper sides of the middle parts of the clamping blocks are in threaded connection with screw rods, the close ends of the two groups of screw rods are fixedly connected to the inner sides of bearings, and the bearings are arranged in the middle of a fastening plate. Positioning holes are formed in the front side and the rear side of the middle of the fastening plate, and positioning rods penetrate through and are slidably connected to the inner sides of the positioning holes and are fixedly connected to the front ends and the rear ends of the tops of the side walls, close to each other, of the two clamping blocks correspondingly. According to the protection type power capacitor, when the capacitor body needs to be protected, the top cover is moved to the upper side of the clamping groove, the top cover is pushed downwards to enable the clamping block to be inserted into the wiring groove when the wiring groove and the clamping block are located on the same straight line, and the screw is rotated to enable the two sets of fastening plates and the pressing block to be away from each other; and the top cover is fixed by matching the pressing blocks with the side walls of the clamping grooves, so that the installation difficulty of the capacitor protection structure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a protective power capacitor. Background Technique

[0002] A power capacitor is an electrical component widely used in daily life. Generally, it is composed of a box body and electronic components, and is a capacitor used in power systems and electrical equipment. Any two metal conductors separated by an insulating medium in the middle form a capacitor. The capacitance of the capacitor is determined by its geometric dimensions and the characteristics of the insulating medium between the two plates. When the capacitor is used under an alternating voltage, its capacity is often expressed by its reactive power.

[0003] In the prior art, corresponding wiring terminals are installed on the top of the box body of the capacitor for wiring. Since the wiring terminals protrude, it is usually difficult for the box body to directly protect the wiring terminals, and the wiring terminals are easily damaged during use, which in turn causes damage to the wiring terminals and affects the normal use of the power capacitor. Therefore, a protective power capacitor is urgently needed. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A protective power capacitor of the utility model includes a capacitor main body, and a quick installation mechanism is arranged on the outer side of the top of the capacitor main body;

[0006] The quick installation mechanism includes clamping blocks, the clamping blocks are all slidably connected inside the wiring grooves, the clamping blocks are respectively fixedly connected to the left and right ends of the middle part inside the clamping grooves, screw rods are threadedly connected to the upper sides of the middle parts of the clamping blocks, the close ends of the two groups of screw rods are fixedly connected to the inside of bearings, the bearings are all arranged in the middle of the fastening plate, positioning holes are arranged on the front and rear sides of the middle part of the fastening plate, positioning rods penetrate through and are slidably connected inside the positioning holes, and the positioning rods are respectively fixedly connected to the front and rear ends of the tops of the adjacent side walls of the two groups of clamping blocks.

[0007] As a preferred technical solution of the utility model, the wiring grooves are respectively arranged in the middle parts of the left and right walls of the top cover, and openings are arranged on the left and right sides of the middle part of the top wall of the top cover.

[0008] As a preferred technical solution of the utility model, the clamping grooves are arranged in the middle of the top wall of the capacitor main body, and bottom plates are fixedly connected to the left and right ends of the bottom of the capacitor main body.

[0009] As a preferred technical solution of the utility model, fixed seats are arranged on the left and right sides of the middle part of the inner bottom wall of the clamping groove, and wiring terminals are arranged in the middle parts of the fixed seats.

[0010] As a preferred technical solution of the present utility model, the openings are all located above the terminal posts, and the openings are in clearance fit with the terminal posts.

[0011] As a preferred technical solution of the present utility model, torsion plates are fixedly connected to the far ends of the two groups of screw rods away from each other, and pressing blocks are fixedly connected to the front and rear parts of the side walls of the two groups of fastening plates away from each other.

[0012] As a preferred technical solution of the present utility model, the clamping blocks are in clearance fit with the wiring grooves, and the two groups of positioning rods are respectively located on the front and rear sides of the screw rods.

[0013] The beneficial effects of the present utility model are:

[0014] 1. For this protective power capacitor, when it is necessary to protect the capacitor body, move the top cover to the upper side of the card slot. When the wiring groove and the clamping block are in the same straight line, push the top cover downward so that the clamping block is inserted into the wiring groove. Rotate the screw rod to make the two groups of fastening plates and the pressing blocks move away from each other. The pressing blocks cooperate with the side wall of the card slot to fix the top cover, reducing the installation difficulty of the capacitor protection structure.

[0015] 2. For this protective power capacitor, after fixing the top cover on the top of the capacitor body, the terminal post extends out from the opening, and the wire connected to the terminal post extends out from the inner side of the wiring groove, so that the terminal post of the capacitor can be protected, and at the same time, it will not affect the normal operation of the capacitor, improving the practicability of the capacitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a top view schematic diagram of the overall structure of a protective power capacitor of the present utility model;

[0018] Figure 2 is a bottom view schematic diagram of the overall structure of a protective power capacitor of the present utility model;

[0019] Figure 3 is a schematic diagram of the installation structure of a protective power capacitor of the present utility model;

[0020] Figure 4 is a schematic diagram of the capacitor body structure of a protective power capacitor of the present utility model.

[0021] In the figure: 1, capacitor body; 2, quick installation mechanism; 3, card slot; 4, fixed seat; 5, terminal; 6, bottom plate; 7, top cover; 8, opening; 9, wiring groove; 10, card block; 11, screw; 12, torsion plate; 13, positioning rod; 14, bearing; 15, fastening plate; 16, positioning hole; 17, pressing block. Detailed implementation mode

[0022] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Embodiment: As Figures 1-4 shown, a protective power capacitor of the present invention includes a capacitor body 1, and a quick installation mechanism 2 is arranged outside the top of the capacitor body 1;

[0024] The quick installation mechanism 2 includes card blocks 10, the card blocks 10 are all slidably connected inside the wiring groove 9, the card blocks 10 are respectively fixedly connected to the left and right ends of the middle part inside the card slot 3, screw rods 11 are threadedly connected to the upper sides of the middle parts of the card blocks 10, and turning the screw rods 11 can make the fastening plate 15 move left and right accordingly. The close ends of the two screw rods 11 are fixedly connected to the inside of the bearing 14. The bearing 14 is provided to prevent the fastening plate 15 from rotating during the rotation of the screw rod 11. The bearings 14 are all arranged in the middle of the fastening plate 15. Positioning holes 16 are arranged on the front and rear sides of the middle part of the fastening plate 15, and positioning rods 13 penetrate and are slidably connected inside the positioning holes 16. Inserting the positioning rods 13 into the positioning holes 16 can limit the fastening plate 15. The positioning rods 13 are respectively fixedly connected to the front and rear ends of the top of the side walls close to each other of the two card blocks 10.

[0025] Among them, the wiring grooves 9 are respectively arranged in the middle of the left and right walls of the top cover 7, and openings 8 are arranged on the left and right sides of the middle part of the top wall of the top cover 7. The openings 8 are provided to enable the terminals 5 to extend out from the openings 8.

[0026] Among them, the card slot 3 is arranged in the middle of the top wall of the capacitor body 1, and bottom plates 6 are fixedly connected to the left and right ends of the bottom of the capacitor body 1. The bottom plates 6 can increase the contact area between the capacitor and the ground, so that it is placed more stably.

[0027] Among them, fixed seats 4 are arranged on the left and right sides of the middle part of the inner bottom wall of the card slot 3, and terminals 5 are arranged in the middle of the fixed seats 4.

[0028] Among them, the openings 8 are all located above the terminals 5, and the openings 8 are in clearance fit with the terminals 5.

[0029] Wherein, torsion plates 12 are fixedly connected to the far ends of the two sets of screw rods 11 away from each other, and pressing blocks 17 are fixedly connected to the front and rear parts of the side walls of the two sets of fastening plates 15 away from each other. The torsion plates 12 are provided to reduce the difficulty of rotating the screw rods 11, and the pressing blocks 17 are provided to facilitate applying pressure to the top cover 7.

[0030] Wherein, the clamping blocks 10 are in clearance fit with the wiring grooves 9, and the two sets of positioning rods 13 are respectively located on the front and rear sides of the screw rods 11.

[0031] Working principle: When it is necessary to protect the capacitor body 1, move the top cover 7 to the upper side of the card slot 3. When the wiring groove 9 and the clamping block 10 are in the same straight line, push the top cover 7 downward so that the clamping block 10 is inserted into the interior of the wiring groove 9. Rotate the screw rods 11 to make the two sets of fastening plates 15 and the pressing blocks 17 move away from each other. The pressing blocks 17 cooperate with the side walls of the card slot 3 to fix the top cover 7. After fixing the top cover 7 on the top of the capacitor body 1, make the terminal posts 5 extend from the opening 8, and make the wires connected to the terminal posts 5 extend from the inner side of the wiring groove 9, so as to protect the capacitor terminal posts 5, and at the same time, it will not affect the normal operation of the capacitor.

[0032] Finally, it should be noted that: In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0033] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0034] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective power capacitor, comprising a capacitor body (1), characterized in that: A quick installation mechanism (2) is provided on the outer side of the top of the capacitor body (1); The quick installation mechanism (2) comprises a card block (10), wherein the card blocks (10) are slidably connected to the inner side of the wiring slot (9), and the card blocks (10) are respectively fixedly connected to the left and right ends of the middle part of the inner side of the card slot (3), and the upper side of the middle part of the card block (10) is threadedly connected with a screw rod (11), and the adjacent ends of the two groups of screw rods (11) are fixedly connected to the inner side of the bearing (14), and the bearing (14) is arranged in the middle part of the fastening plate (15), and the front and rear sides of the middle part of the fastening plate (15) are both provided with positioning holes (16), and the inner sides of the positioning holes (16) are penetrated and slidably connected with positioning rods (13), and the positioning rods (13) are respectively fixedly connected to the front and rear ends of the top of the adjacent side wall of the two groups of card blocks (10).

2. A protective power capacitor according to claim 1, characterized in that: The wiring slots (9) are respectively arranged in the middle of the left and right walls of the top cover (7), and openings (8) are arranged on both the left and right sides of the middle of the top wall of the top cover (7).

3. A protective power capacitor according to claim 1, characterized in that: The clamping slot (3) is arranged in the middle of the top wall of the capacitor body (1), and the left and right ends of the bottom of the capacitor body (1) are fixedly connected to a bottom plate (6).

4. A protective power capacitor according to claim 1, characterized in that: A fixing seat (4) is provided on both left and right sides of the middle of the inner bottom wall of the slot (3), and a connecting post (5) is provided in the middle of the fixing seat (4).

5. A protective power capacitor according to claim 2, characterized in that: The openings (8) are all located on the upper side of the terminal posts (5), and the openings (8) are all clearance-matched with the terminal posts (5).

6. A protective power capacitor according to claim 1, characterized in that: The two groups of screw rods (11) are fixedly connected to a torsion plate (12) at one end away from each other, and the two groups of fastening plates (15) are fixedly connected to a pressing block (17) at the front and rear parts of a side wall away from each other.

7. A protective power capacitor according to claim 1, characterized in that: The clamping blocks (10) are clearance-matched with the wiring slots (9), and the two groups of positioning rods (13) are respectively located at the front and rear sides of the screw rod (11).

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