Heat-resistant plastic shell of capacitor

Abstract

The utility model discloses a heat-resistant plastic housing of a capacitor, which comprises a plastic housing body, a strip-shaped insertion sheet is fixedly connected on the side wall of the left end of the plastic housing body, a strip-shaped limiting block is fixedly connected on the side wall of the right end of the plastic housing body, and the strip-shaped insertion sheet and the strip-shaped limiting block are arranged in an associated manner. According to the utility model, the ventilation and heat dissipation effects of the plastic shell are improved through the plurality of ventilation holes, the capacitor is prevented from being damaged due to overheating during use, and the waterproof valves distributed in the plurality of ventilation holes in a cross-shaped manner prevent external water from entering the plastic shell, so that the normal use of the capacitor is ensured, and the service life of the capacitor is prolonged. The strip-shaped insertion pieces are inserted into the open grooves in the strip-shaped limiting blocks, so that the cylindrical protrusions are inserted into the circular clamping grooves, the plastic shell is conveniently connected to the capacitor in a sleeving mode and bonded and fixed, the capacitor is protected through the strip-shaped supporting pieces made of the aluminum alloy in the grooves, the compressive strength of the capacitor is improved, and the service life of the capacitor is prolonged. And the capacitor is prevented from being easily influenced by external vibration and impact.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor technical field especially relates to a capacitor heat -resistant plastic shell. BACKGROUND

[0002] Capacitor is by two metal electrode between sandwiching a layer of insulating dielectric, when voltage is added between two metal electrodes, charge will be stored on electrode, so capacitor is energy storage element, capacitor is widely used in direct -current through the intersection, coupling, bypass and control etc.

[0003] The existing capacitor plastic shell when actual use, its heat dissipation effect is poor, easily lead to point easily overheat and be damaged, and the compressive strength is poor, easily be influenced by external vibration and impact, present a kind of capacitor heat -resistant plastic shell to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a capacitor heat -resistant plastic shell to solve the technical problems that the existing capacitor plastic shell in the background art when actual use, its heat dissipation effect is poor, easily lead to point easily overheat and be damaged, and the compressive strength is poor, easily be influenced by external vibration and impact.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of capacitor heat -resistant plastic shell, including plastic shell body, the left end side wall of the plastic shell body is fixedly connected with strip-shaped insert piece, the right end side wall of the plastic shell body is fixedly connected with strip-shaped limiting block, the strip-shaped insert piece is associated with strip-shaped limiting block and is arranged, the front end side wall of the plastic shell body is equipped with recess, the top surface and bottom of the recess are fixedly connected with several strip-shaped support pieces, the inner wall of the recess is equipped with several air holes, several air holes are located between the inner wall of recess and strip-shaped support piece and between adjacent two strip-shaped support pieces respectively.

[0007] Preferably, the strip-shaped insert piece and strip-shaped limiting block are both set as equal length with the plastic shell body, and the strip-shaped insert piece and strip-shaped limiting block are both integrally formed with the plastic shell body.

[0008] Preferably, the front end side wall near the upper and lower ends of the strip-shaped insert piece is equipped with circular clamping groove, the side wall away from the plastic shell body of the strip-shaped limiting block is equipped with slot, the inner wall near the upper and lower ends of the strip-shaped limiting block of the slot is equipped with cylindrical protrusion, the strip-shaped insert piece is inserted into the slot, and the two cylindrical protrusions are inserted into the two circular clamping grooves respectively.

[0009] Preferably, the cylindrical protrusion is integrally formed with the strip-shaped limiting block.

[0010] Preferably, the strip-shaped supporting pieces are arranged at equal intervals between the inner wall of the groove and between two adjacent strip-shaped supporting pieces, and the strip-shaped supporting pieces are made of aluminum alloy.

[0011] Preferably, the plurality of air vents are arranged at equal intervals on the same side, and a plurality of waterproof flaps are fixedly connected to the annular inner wall of the plurality of air vents, and the plurality of waterproof flaps are arranged in a cross shape between the plurality of waterproof flaps on the same side, and the waterproof flaps are integrally formed with the plastic shell.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The plurality of air vents improve the air permeability and heat dissipation effect of the plastic shell, prevent the capacitor from being damaged due to overheating during use, and the plurality of waterproof flaps arranged in a cross shape in the plurality of air vents prevent external water from entering the interior of the plastic shell, ensuring normal use of the capacitor.

[0014] 2. The strip-shaped insert piece is inserted into the slot on the strip-shaped limiting block, the cylindrical protrusion is inserted into the circular clamping groove, the plastic shell is conveniently sleeved on the capacitor and is fixed by adhesion, and the plurality of strip-shaped supporting pieces made of aluminum alloy in the groove provide protection for the capacitor, improve the compression strength of the capacitor, and avoid the capacitor from being easily affected by external vibration and impact. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic view of a capacitor heat-resistant plastic shell is provided for the utility model;

[0016] Figure 2 A perspective view of a capacitor heat-resistant plastic shell is provided for the utility model;

[0017] Figure 3 A Figure 2 A local enlarged view of A in the middle;

[0018] Figure 4 A Figure 2 A local enlarged view of B in the middle.

[0019] In the drawing: 1 plastic shell, 2 strip-shaped insert piece, 3 strip-shaped limiting block, 4 groove, 5 strip-shaped supporting piece, 6 air vent, 7 circular clamping groove, 8 slot, 9 cylindrical protrusion, 10 waterproof flap. DETAILED DESCRIPTION

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] With reference to Figures 1-4 A capacitor heat-resistant plastic shell, comprising a plastic shell body 1, a strip-shaped insert 2 is fixedly connected to the left end side wall of the plastic shell body 1, a strip-shaped limiting block 3 is fixedly connected to the right end side wall of the plastic shell body 1, the strip-shaped insert 2 and the strip-shaped limiting block 3 are both arranged in equal length with the plastic shell body 1, the strip-shaped insert 2 and the strip-shaped limiting block 3 are both integrally formed with the plastic shell body 1, the strip-shaped insert 2 and the strip-shaped limiting block 3 are associatedly arranged, the strip-shaped insert 2 is provided with a circular clamping groove 7 on the front end side wall close to the upper and lower ends, the strip-shaped limiting block 3 is provided with a slot 8 on the side wall away from the plastic shell body 1, the slot 8 is provided with a cylindrical protrusion 9 on the inner wall close to the upper and lower ends of the strip-shaped limiting block 3, the strip-shaped insert 2 is inserted into the slot 8, the two cylindrical protrusions 9 are respectively inserted into the two circular clamping grooves 7, the cylindrical protrusion 9 is integrally formed with the strip-shaped limiting block 3, and the plastic shell body 1 is sleeved on the capacitor, so that the strip-shaped insert 2 is inserted into the slot 8 on the strip-shaped limiting block 3, and the two cylindrical protrusions 9 in the slot 8 are respectively inserted into the two circular clamping grooves 7 on the strip-shaped insert 2, thereby conveniently sleeving and bonding the plastic shell body 1 on the capacitor.

[0023] The front end side wall of the plastic shell 1 is provided with a groove 4, and a plurality of strip-shaped supporting pieces 5 are fixedly connected to the top surface and the bottom of the groove 4, and are arranged at equal intervals between the inner wall of the groove 4 and the strip-shaped supporting pieces 5 and between the adjacent two strip-shaped supporting pieces 5; the strip-shaped supporting pieces 5 are made of aluminum alloy, the plurality of strip-shaped supporting pieces 5 made of aluminum alloy in the groove 4 provide protection for the capacitor, improve the compression strength of the capacitor, avoid the capacitor from being easily affected by external vibration and impact, a plurality of air holes 6 are arranged on the inner wall of the groove 4, the plurality of air holes 6 are arranged at equal intervals between the inner wall of the groove 4 and the strip-shaped supporting pieces 5 and between the adjacent two strip-shaped supporting pieces 5 on the same side, a plurality of waterproof valves 10 are fixedly connected to the annular inner wall of the plurality of air holes 6, the plurality of waterproof valves 10 on the same side are arranged in a cross shape, the waterproof valves 10 are integrally formed with the plastic shell 1, the plurality of air holes 6 improve the air permeability and heat dissipation effect of the plastic shell 1, prevent the capacitor from being damaged due to overheating during use, and the plurality of waterproof valves 10 arranged in a cross shape in the plurality of air holes 6 prevent external water from entering the inside of the plastic shell 1, and ensure the normal use of the capacitor.

[0024] In use, the capacitor sleeved with the plastic shell 1 is inserted into the groove 8 of the strip-shaped limiting block 3, and the two columnar protrusions 9 in the groove 8 are respectively inserted into the two circular clamping grooves 7 on the strip-shaped inserting piece 2, so that the plastic shell 1 is conveniently sleeved on the capacitor and is fixed by bonding, the plurality of strip-shaped supporting pieces 5 made of aluminum alloy in the groove 4 provide protection for the capacitor, improve the compression strength of the capacitor, avoid the capacitor from being easily affected by external vibration and impact, the plurality of air holes 6 in the groove 4 can improve the air permeability and heat dissipation effect of the plastic shell 1, prevent the capacitor from being damaged due to overheating during use, and the plurality of waterproof valves 10 arranged in a cross shape in the plurality of air holes 6 prevent external water from entering the inside of the plastic shell 1, and ensure the normal use of the capacitor.

[0025] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A heat-resistant plastic housing for capacitors, comprising a plastic casing (1), characterized in that, The left end side wall of the plastic shell (1) is fixedly connected with a strip-shaped insertion piece (2), the right end side wall of the plastic shell (1) is fixedly connected with a strip-shaped limiting block (3), the strip-shaped insertion piece (2) and the strip-shaped limiting block (3) are associatedly arranged, the front end side wall of the plastic shell (1) is provided with a groove (4), the top surface and the bottom of the groove (4) are fixedly connected with a plurality of strip-shaped supporting pieces (5), the inner wall of the groove (4) is provided with a plurality of air holes (6), and the plurality of air holes (6) are respectively located between the inner wall of the groove (4) and the strip-shaped supporting pieces (5) and between adjacent two strip-shaped supporting pieces (5).

2. A heat-resistant plastic casing for a capacitor according to claim 1, wherein The strip-shaped insertion piece (2) and the strip-shaped limiting block (3) are arranged in equal length with the plastic shell (1), and the strip-shaped insertion piece (2) and the strip-shaped limiting block (3) are integrally formed with the plastic shell (1).

3. A heat-resistant plastic casing for a capacitor according to claim 1, wherein The front end side wall near the upper and lower ends of the strip-shaped insertion piece (2) is provided with a circular clamping groove (7), the side wall away from the plastic shell (1) of the strip-shaped limiting block (3) is provided with a slot (8), the inner wall near the upper and lower ends of the strip-shaped limiting block (3) of the slot (8) is provided with a cylindrical protrusion (9), the strip-shaped insertion piece (2) is inserted into the slot (8), and the two cylindrical protrusions (9) are respectively inserted into the two circular clamping grooves (7).

4. A heat-resistant plastic casing for a capacitor according to claim 3, wherein The cylindrical protrusion (9) is integrally formed with the strip-shaped limiting block (3).

5. A heat-resistant plastic casing for a capacitor according to claim 1, wherein The strip-shaped supporting pieces (5) and the inner wall of the groove (4) and the adjacent two strip-shaped supporting pieces (5) are arranged at equal intervals, and the material of the strip-shaped supporting pieces (5) is aluminum alloy.

6. A heat-resistant plastic casing for a capacitor according to claim 1, wherein The plurality of air holes (6) on the same side are arranged at equal intervals, a plurality of waterproof valves (10) are fixedly connected to the annular inner wall of the plurality of air holes (6), the plurality of waterproof valves (10) on the same side are arranged in a cross shape, and the waterproof valves (10) are integrally formed with the plastic shell (1).

Images