Capacitor rubber sealing plug

By introducing sealing and anti-breakage components into the capacitor's rubber sealing plug, the problem of bending and wear caused by lead wire swaying is solved, achieving stable lead wire connection and capacitor durability.

CN223527018UActive Publication Date: 2025-11-07TIANHUA ELECTRONICS IND YUHUAN COUNTY
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Patent Information

Application Number
CN202422975289.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-07
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The lead hole of the rubber plug of a traditional capacitor is prone to shaking with the lead wire passing through it, which can cause the lead wire to bend and wear, affecting the service life and strength of the capacitor.

Method used

A capacitor rubber sealing plug was designed, comprising a sealing component and an anti-breakage component. The sealing component consists of a compression ring and a compression member, while the anti-breakage component consists of an extension sleeve and a locking sleeve. Through the engagement of internal and external threads and the guiding of the beveled compression, bidirectional sealing and fixation of the lead wire are achieved.

Benefits of technology

It effectively prevents lead wire bending and wear, improves the capacitor's service life and strength, and ensures stable lead wire connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a capacitor rubber sealing plug, and belongs to the field of capacitors. The problem that an existing electrolyte is easy to volatilize is solved. The capacitor rubber sealing plug comprises a rubber plug body with lead holes, the number of the lead holes is two, an anti-breakage assembly and a sealing assembly are arranged in the two ends of each lead hole respectively, the sealing assemblies and the anti-breakage assemblies are located at the upper end and the lower end of the rubber plug body respectively, and each sealing assembly comprises an extrusion ring, an extrusion piece and a breakage sleeve. The anti-breakage assembly comprises an extending sleeve and a locking sleeve, the locking sleeve and the extending sleeve can be connected in an internal and external thread fit mode, the interior of the locking sleeve and the exterior of the extending sleeve are provided with an inner inclined part and an outer inclined part respectively, the inner inclined part and the outer inclined part are located at the lower end of the locking sleeve and the lower end of the extending sleeve respectively, and the lower end of the lead hole is provided with a stepped hole and communicated with the lead hole. The extrusion ring and the extrusion piece are provided with bevel edges which are in extrusion fit with each other, and the breakage sleeve and the extrusion piece are of an integrally-formed structure. The sealing structure has the advantage of high sealing performance.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the capacitor field relates to the seal, especially in the capacitor rubber seal. BACKGROUND

[0002] At present, the capacitor rubber plug on the market, it includes the plug body and is used for the lead through the lead hole set on the plug body, when the lead in the capacitor passes through its lead and is fixed with the circuit board, since the capacitor is fixed on the circuit board through the lead, when the capacitor is tilted or shakes due to other influences and the lead hole of the traditional capacitor rubber plug and the lead through the lead hole leave larger gap, the generated shake is easy to cause the lead to bend and wear or even cause the damage of the lead, thereby influence the service life of the capacitor, even directly cause the damage of the capacitor and reduce its use intensity. SUMMARY

[0003] The utility model discloses a capacitor rubber seal for solving the above problems.

[0004] The utility model discloses a capacitor rubber seal, including the rubber plug main part with the lead hole, the lead hole number is 2, its characterized in that, the lead hole both ends are provided with the anti -bending loss subassembly and sealing assembly respectively, and the sealing assembly and anti -bending loss subassembly are located on the rubber plug main part upper end and lower end department respectively.

[0005] The sealing assembly includes a compression ring for compression sealing, a compression piece for compression, and a bending loss sleeve for preventing lead bending loss.

[0006] The anti-bending loss subassembly includes an extension sleeve fixed to the lower end of the rubber plug main body and a locking sleeve cooperating with the extension sleeve, and the locking sleeve and the extension sleeve can be connected by internal and external threads.

[0007] The locking sleeve and the extension sleeve have an inner inclined portion and an outer inclined portion that are mutually extruded and cooperated, and the inner inclined portion and the outer inclined portion are located at the lower end of the locking sleeve and the extension sleeve respectively.

[0008] The lower end of the lead hole has a stepped hole for mounting the anti-bending loss subassembly and is in communication with the lead hole.

[0009] The compression ring and the compression piece each have an inclined edge that is mutually extruded and cooperated, and the bending loss sleeve and the compression piece are integrally formed.

[0010] In the above-mentioned capacitor rubber seal, the upper end of the rubber plug main body is provided with a mounting hole for mounting the sealing assembly and in communication with the lead hole, and the bottom of the mounting hole has a ring groove, and the lower end of the compression piece extends and protrudes a convex ring that is mutually concave-convex cooperated with the ring groove.

[0011] In the capacitor rubber sealing plug, the extrusion part is externally in interference fit with the inner wall of the mounting hole, wherein the extrusion part can be pressed into the inside of the mounting hole by hand.

[0012] In the capacitor rubber sealing plug, the inclined edges on the extrusion ring and the extrusion part are in mutual extrusion and guide fit, so that the inner wall of the extrusion ring is tightly fitted to the outer wall of the lead wire.

[0013] Compared with the prior art, the capacitor rubber sealing plug has reasonable structure design, the sealing assembly and the anti-bending damage assembly are used for effectively allowing the lead wire to be inserted into the lead wire hole and for bidirectional sealing, and the extension sleeve can effectively fix the lead wire inserted into the capacitor and prevent bending damage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective structural schematic view of the capacitor rubber sealing plug.

[0015] Figure 2 is a half cut structural schematic view of the capacitor rubber sealing plug.

[0016] Figure 3 is Figure 2 is a local enlarged structural schematic view of A in the figure.

[0017] In the figure, 1 is a plug main body, 2 is an extrusion ring, 3 is an extrusion part, 4 is a bending damage sleeve, 5 is a locking sleeve, 6 is an extension sleeve, 7 is an inner inclined part, 8 is an outer inclined part, 9 is a ring groove, and 10 is a convex ring. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0019] As Figure 1 , Figure 2 , Figure 3As shown, the capacitor rubber sealing plug comprises a rubber plug body 1 with lead hole, the number of lead hole is two, the inner part of both ends of lead hole is respectively provided with anti-bending loss assembly and sealing assembly, the sealing assembly and anti-bending loss assembly are respectively located on the upper end and lower end of rubber plug body 1, the sealing assembly comprises extrusion ring 2 for extruding sealing, extruding part 3 for extruding, and bending loss sleeve 4 for preventing lead bending loss, the anti-bending loss assembly comprises extension sleeve 6 fixed on the lower end of rubber plug body 1 and locking sleeve 5 matched with extension sleeve 6, the locking sleeve 5 and extension sleeve 6 can be internally and externally threaded connection, the inner inclined part 7 and outer inclined part 8 of locking sleeve 5 and extension sleeve 6 are respectively provided with mutually extruding matched, and the inner inclined part 7 and outer inclined part 8 are respectively located on the lower end of locking sleeve 5 and extension sleeve 6, the lower end of lead hole has stepped hole for installing anti-bending loss assembly, and is communicated with lead hole, the inclined edge of extrusion ring 2 and extruding part 3 is mutually extruding matched, and the bending loss sleeve 4 is integrally formed with extruding part 3.

[0020] The above structure design is reasonable, the sealing assembly and anti-bending loss assembly structure design can effectively lead into the lead hole, and bidirectional sealing is carried out, at the same time, the extension sleeve 6 can effectively fix the lead into the capacitor inside, and prevent bending and wear.

[0021] Preferably, in order to realize the extrusion sealing of extrusion ring 2, the upper end of rubber plug body 1 is provided with installation hole for installing sealing assembly and communicated with lead hole, the ring groove 9 is located at the bottom of installation hole, and the convex ring 10 of extension protrusion of lower end of extruding part 3 is mutually concave-convex matched with ring groove 9.

[0022] Preferably, the outer part of extruding part 3 and the inner wall of installation hole are interference fit, wherein the extruding part 3 can be pressed into the installation hole by artificial.

[0023] Preferably, the inclined edges of extrusion ring 2 and extruding part 3 are mutually extruding matched, so that the inner wall of extrusion ring 2 is tightly attached to the outer wall of lead.

[0024] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0025] Although the terms are used more in this paper, but it does not exclude the possibility of using other terms. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A capacitor rubber seal plug comprising a plug main body (1) having lead holes, the number of which is two, characterized in that, The lead hole is provided with a damage prevention assembly and a sealing assembly at the inner part of both ends, and the sealing assembly and the damage prevention assembly are respectively located at the upper end and the lower end of the rubber plug body (1); The sealing assembly comprises a pressing ring (2) for extrusion sealing, a pressing piece (3) for extrusion, and a damage prevention sleeve (4) for preventing lead damage; The damage prevention assembly comprises an extension sleeve (6) fixed to the lower end of the rubber plug body (1) and a locking sleeve (5) cooperating with the extension sleeve (6), and the locking sleeve (5) and the extension sleeve (6) can be connected by internal and external thread cooperation; The locking sleeve (5) and the extension sleeve (6) are respectively provided with an inner inclined part (7) and an outer inclined part (8) which are extruded and matched with each other, and the inner inclined part (7) and the outer inclined part (8) are respectively located at the lower end of the locking sleeve (5) and the extension sleeve (6); The lower end of the lead hole has a stepped hole for mounting the damage prevention assembly and is communicated with the lead hole; The extrusion ring (2) and the extrusion piece (3) are respectively provided with inclined edges which are extruded and matched with each other, and the damage prevention sleeve (4) and the extrusion piece (3) are integrally formed.

2. The capacitor rubber seal plug according to claim 1, wherein The upper end of the rubber plug body (1) is provided with a mounting hole for mounting the sealing assembly and being communicated with the lead hole, and the bottom of the mounting hole is provided with an annular groove (9), and the lower end of the extrusion piece (3) is extended and protruded with a convex ring (10) which is recessed and protruded matched with the annular groove (9).

3. The capacitor rubber seal plug of claim 2, wherein The extrusion piece (3) is in interference fit with the inner wall of the mounting hole, and the extrusion piece (3) can be pressed into the inner part of the mounting hole by artificial pressing.

4. The capacitor rubber seal plug of claim 1, wherein The inclined edges of the extrusion ring (2) and the extrusion piece (3) are extruded and guided matched with each other, so that the inner wall of the extrusion ring (2) is tightly fitted on the outer wall of the lead.