CN219626481U

CN219626481U - Mute film capacitor

Info

Publication number: CN219626481U
Application number: CN202223501680.4U
Authority: CN
Inventors: 王慧卉; 樊金河; 曾大洋
Original assignee: Hunan Membrane Capacitor Electronics Co ltd
Current assignee: Hunan Membrane Capacitor Electronics Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-09-01
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a mute film capacitor, which relates to the technical field of capacitors, and comprises a capacitor body and a wire arranged on the capacitor body, wherein a protective component is arranged on the wire and comprises a protective cover, a fixed block, a positioning plate, a moving block, a positioning rod, a reset spring and a limiting component, the protective cover is sleeved outside the wire, the fixed block is fixedly connected with the side surface of the capacitor body, the positioning plate is fixedly connected with the side surface of the protective cover, a positioning groove matched with the positioning plate is formed in the top of the fixed block, an installation cavity is formed in the inside of the fixed block, the moving block is movably arranged in the installation cavity, the positioning rod is fixedly connected with one side of the moving block, and a fixing hole matched with the positioning rod is formed in the inside of the positioning plate. The utility model relates to a mute film capacitor, which can protect a wire by arranging a protection component, so as to avoid shaking and damaging the wire in the transportation process.

Description

Mute film capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a mute film capacitor.

Background

Two conductors close to each other with a layer of non-conductive insulating medium sandwiched between them, constitute a capacitor. When a voltage is applied between the two plates of the capacitor, the capacitor stores a charge. The capacitance of a capacitor is equal in value to the ratio of the amount of charge on one conductive plate to the voltage between the two plates, and the capacitor plays an important role in tuning, bypassing, coupling, filtering, etc. circuits.

Chinese patent publication (bulletin) No. CN213845050U discloses a silence film capacitor, including encapsulation shell, electric capacity core and wire, electric capacity core overcoat has the paraffin layer, the parcel has fire-retardant resin layer outside the paraffin layer, and fire-retardant resin layer parcel has the encapsulation shell outward, the encapsulation shell is hollow cylindric, the one end of encapsulation shell is provided with the switch lid, switch lid and encapsulation shell threaded connection are covered to the switch and are provided with the inlet wire hole, be provided with a plurality of annular arriss on the encapsulation shell inner peripheral wall, it has the soundproof cotton to fill between the adjacent annular arriss, and the one end of encapsulation shell sets up the switch lid. The utility model has the advantages that the capacitor core is coated with paraffin, the inner wall of the packaging shell is provided with a plurality of ribs, and the ribs are filled with mute cotton, so that the noise generated by the device is greatly weakened, and the capacitor keeps mute or bass when in work, but the lead wire does not have a certain protective structure, so that the capacitor is subject to external collision in the transportation process, and the lead wire is easy to damage, thereby influencing the use.

Disclosure of Invention

The utility model mainly aims to provide a mute film capacitor, which can effectively solve the problems that the lead is easy to damage and influence the use due to the fact that the lead has no certain protective structure in the prior art, so that the capacitor is subjected to external collision in the transportation process.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a mute film capacitor comprises a capacitor body and a wire arranged on the capacitor body, wherein a protective component is arranged on the wire;

the protective component comprises a protective cover, a fixed block, a positioning plate, a moving block, a positioning rod, a reset spring and a limiting part, wherein the protective cover is sleeved outside a lead, the fixed block is fixedly connected with the side face of the capacitor body, the positioning plate is fixedly connected with the side face of the protective cover, a positioning groove matched with the positioning plate is formed in the top of the fixed block, an installation cavity is formed in the fixed block, the moving block is movably arranged in the installation cavity, the positioning rod is fixedly connected with one side of the moving block, a fixing hole matched with the positioning rod is formed in the positioning plate, one end of the reset spring is fixedly connected with the inner wall of the installation cavity, and the other end of the reset spring is fixedly connected with the other side of the moving block;

the limiting component comprises a pull rod, a clamping rod, a limiting plate and a collision spring, wherein the pull rod is fixedly connected with the top of a moving block, a moving groove matched with the pull rod is formed in the top of the fixed block, the limiting plate is fixedly connected with the top of the pull rod, the clamping rod is movably arranged in the limiting plate, the collision spring is sleeved on the outer ring side of the clamping rod, one end of the collision spring is fixedly connected with the top of the clamping rod, the bottom of the collision spring is fixedly connected with the top of the limiting plate, and a clamping groove matched with the clamping rod is formed in the top of the fixed block.

Preferably, the number of the clamping grooves is two, and the two clamping grooves are symmetrically distributed along the vertical central axis of the moving groove.

Preferably, the side of the movable block is fixedly connected with a guide block, and the inner wall of the installation cavity is provided with a guide groove matched with the guide block.

Preferably, the number of the guide blocks is two, and the two guide blocks are symmetrically distributed along the vertical central axis of the moving block.

Preferably, the moving groove is communicated with the inside of the installation cavity, and the pull rod is movably arranged in the moving groove.

Preferably, the top of the capacitor body is fixedly connected with a sealing ring, and the protective cover is clamped in the sealing ring.

Preferably, the integral structure formed by the fixed block, the locating plate, the moving block, the locating rod, the reset spring and the limiting part is provided with two groups, and the vertical central axes of the protective cover are symmetrically distributed.

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

according to the utility model, the protective assembly is arranged, when the capacitor body is required to be transported, the clamping rod is enabled to move upwards by pulling the clamping rod, the abutting spring is in a stretching state at the moment, then the pull rod is pulled, the pull rod drives the positioning rod to move into the mounting cavity, the reset spring is in a compression state, then the positioning plate on the protective cover is clamped with the positioning groove, the pull rod is loosened, the moving block can return under the reset action of the reset spring until the positioning rod is driven to be clamped with the fixing hole of the positioning block, the fixing of the positioning plate is completed, at the moment, the clamping rod can be moved to the clamping groove, and the clamping rod is driven to be clamped with the clamping groove under the reset action of the abutting spring, so that the fixing of the pull rod is completed, the pull rod is prevented from moving, the wire can be protected, and damage to the wire caused by shaking in the transportation process is avoided.

Drawings

Fig. 1 is a perspective view showing the overall structure of a mute film capacitor according to the present utility model;

FIG. 2 is an enlarged view of the structure of the mute film capacitor shown in FIG. 1A according to the present utility model;

FIG. 3 is an enlarged view of the structure of the mute film capacitor of FIG. 2 at B in accordance with the present utility model;

fig. 4 is a plan view showing a fixed block structure of a mute film capacitor according to the present utility model;

fig. 5 is a perspective view of a capacitor body structure of a mute film capacitor according to the present utility model.

In the figure: 1. a capacitor body; 2. a wire; 3. a protective cover; 4. a fixed block; 5. a positioning plate; 6. a moving block; 7. a positioning rod; 8. a return spring; 9. a positioning groove; 10. a pull rod; 11. a clamping rod; 12. a limiting plate; 13. a moving groove; 14. a contact spring; 15. a clamping groove; 16. a guide block; 17. and (3) a sealing ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the present utility model is a mute film capacitor, comprising a capacitor body 1, and a wire 2 disposed on the capacitor body 1, wherein a protection component is disposed on the wire 2;

the protection component comprises a protection cover 3, a fixed block 4, a positioning plate 5, a moving block 6, a positioning rod 7, a reset spring 8 and a limiting part, wherein the protection cover 3 is sleeved outside a lead 2, the fixed block 4 is fixedly connected with the side surface of a capacitor body 1, the positioning plate 5 is fixedly connected with the side surface of the protection cover 3, a positioning groove 9 matched with the positioning plate 5 is formed in the top of the fixed block 4, an installation cavity is formed in the interior of the fixed block 4, the moving block 6 is movably arranged in the installation cavity, the positioning rod 7 is fixedly connected with one side of the moving block 6, a fixing hole matched with the positioning rod 7 is formed in the interior of the positioning plate 5, one end of the reset spring 8 is fixedly connected with the inner wall of the installation cavity, and the other end of the reset spring 8 is fixedly connected with the other side of the moving block 6;

limiting component includes pull rod 10, block pole 11, limiting plate 12 and conflict spring 14, the top fixed connection of pull rod 10 and movable block 6, the movable groove 13 with pull rod 10 looks adaptation has been seted up at the top of fixed block 4, limiting plate 12 and pull rod 10 top fixed connection, the activity of block pole 11 sets up in the inside of limiting plate 12, the outer loop side at block pole 11 is established to conflict spring 14 cover, and the one end and the top fixed connection of block pole 11 of conflict spring 14, the bottom and the top fixed connection of limiting plate 12 of conflict spring 14, draw-in groove 15 with the looks adaptation of block pole 11 has been seted up at the top of fixed block 4.

The number of the clamping grooves 15 is two, and the two clamping grooves 15 are symmetrically distributed along the vertical central axis of the moving groove 13.

The side of the moving block 6 is fixedly connected with a guide block 16, and the inner wall of the installation cavity is provided with a guide groove matched with the guide block 16.

The number of the guide blocks 16 is two, and the two guide blocks 16 are symmetrically distributed along the vertical central axis of the moving block 6.

The movable groove 13 is communicated with the inside of the installation cavity, and the pull rod is movably arranged in the movable groove 13.

The top fixedly connected with sealing ring 17 of condenser body 1, protection casing 3 block is in sealing ring 17.

The integral structure formed by the fixed block 4, the locating plate 5, the moving block 6, the locating rod 7, the reset spring 8 and the limiting part is provided with two groups, and the vertical central axes of the protective cover 3 are symmetrically distributed.

The working principle of the utility model is as follows: when the capacitor body 1 needs to be transported, the clamping rod 11 is pulled to enable the clamping rod 11 to move upwards, the abutting spring 14 is in a stretching state, then the pull rod is pulled, the pull rod 10 drives the positioning rod 7 to move towards the installation cavity, the reset spring 8 is in a compression state, then the positioning plate 5 on the protective cover 3 is clamped with the positioning groove 9, the moving pull rod 10 is loosened, the moving block 6 can return under the reset action of the reset spring 8 until the positioning rod 7 is driven to be clamped with the fixing hole of the positioning block, the fixing of the positioning plate 5 is completed, at the moment, the clamping rod 11 can be moved to the position of the clamping groove 15, and under the reset action of the abutting spring 14, the clamping rod 11 is driven to be clamped with the clamping groove 15, the fixing of the pull rod 10 is completed, the pull rod 10 is prevented from moving, and accordingly the wire 2 can be protected.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A mute film capacitor, comprising a capacitor body (1) and a wire (2) arranged on the capacitor body (1), characterized in that: a protective component is arranged on the lead (2);

the protection component comprises a protection cover (3), a fixed block (4), a positioning plate (5), a moving block (6), a positioning rod (7), a reset spring (8) and a limiting part, wherein the protection cover (3) is sleeved outside a lead (2), the fixed block (4) is fixedly connected with the side face of a capacitor body (1), the positioning plate (5) is fixedly connected with the side face of the protection cover (3), a positioning groove (9) matched with the positioning plate (5) is formed in the top of the fixed block (4), an installation cavity is formed in the fixed block (4), the moving block (6) is movably arranged in the installation cavity, the positioning rod (7) is fixedly connected with one side of the moving block (6), a fixing hole matched with the positioning rod (7) is formed in the inner portion of the positioning plate (5), one end of the reset spring (8) is fixedly connected with the inner wall of the installation cavity, and the other end of the reset spring (8) is fixedly connected with the other side of the moving block (6);

limiting part includes pull rod (10), block pole (11), limiting plate (12) and conflict spring (14), the top fixed connection of pull rod (10) and movable block (6), movable groove (13) with pull rod (10) looks adaptation are seted up at the top of fixed block (4), limiting plate (12) and pull rod (10) top fixed connection, block pole (11) activity sets up the inside at limiting plate (12), the outer loop side at block pole (11) is established to conflict spring (14) cover, just the top fixed connection of the one end and block pole (11) of conflict spring (14), the bottom and the top fixed connection of limiting plate (12) of conflict spring (14), draw-in groove (15) with block pole (11) looks adaptation are seted up at the top of fixed block (4).

2. A mute film capacitor as claimed in claim 1, wherein: the number of the clamping grooves (15) is two, and the two clamping grooves (15) are symmetrically distributed along the vertical central axis of the moving groove (13).

3. A mute film capacitor as claimed in claim 1, wherein: the side of movable block (6) fixedly connected with guide block (16), the guide way with guide block (16) looks adaptation has been seted up to the inner wall in installation cavity.

4. A mute film capacitor as claimed in claim 3, wherein: the number of the guide blocks (16) is two, and the two guide blocks (16) are symmetrically distributed along the vertical central axis of the moving block (6).

5. A mute film capacitor as claimed in claim 1, wherein: the movable groove (13) is communicated with the inside of the installation cavity, and the pull rod (10) is movably arranged in the movable groove (13).

6. A mute film capacitor as claimed in claim 1, wherein: the top of the capacitor body (1) is fixedly connected with a sealing ring (17), and the protective cover (3) is clamped in the sealing ring (17).

7. A mute film capacitor as claimed in claim 1, wherein: the integral structure formed by the fixed block (4), the locating plate (5), the moving block (6), the locating rod (7), the reset spring (8) and the limiting part is provided with two groups, and the vertical central axes of the protective cover (3) are symmetrically distributed.