CN217306411U

CN217306411U - Self-recovery is insulating wall spare for fuse seat

Info

Publication number: CN217306411U
Application number: CN202220631042.5U
Authority: CN
Inventors: 戴宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-26
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a self-resuming fuse seat is with insulating partition piece, including being used for the rotatable pivot of installing in the base of self-resuming fuse seat and setting up the insulating partition piece at the pivot lateral part, characteristics are that insulating partition piece sets up the lateral part in the pivot through the equipment, and insulating partition piece is made by the high temperature resistant insulating material who tolerates the high temperature that the contact that the temperature is higher than self-resuming fuse seat produced at the during operation. The advantage is that pivot and insulating partition piece are in the same place through the equipment assembly, adopt the less expensive ordinary material preparation of cost to satisfy the user demand to the pivot, and to insulating partition piece, then the high temperature resistant insulating material of high temperature that the contact that can select to tolerate the temperature and be higher than self-resuming fuse seat produced at the during operation is made, can effectively avoid insulating partition piece to lose efficacy because of high temperature's problem, uses self-resuming fuse seat, can effectively ensure life.

Description

Self-recovery fuse seat is with insulating wall spare

Technical Field

The utility model relates to a self-resuming is accessory for the fuse block, especially relates to a self-resuming is insulating partition for the fuse block.

Background

The self-restoring fuse holder a (shown in fig. 1) generally comprises a base a1, a face cover a4, a switch A3, a button, an insulating spacer a6, a metal spring plate a7, a tension spring, a metal lever, a contact a2, a copper piece or a copper screw, and the like. The two copper pieces or copper screws are connected with the positive electrode and the negative electrode of the power supply to generate current. Among them, the insulation breaker a6 is an important part in the self-restoring fuse holder, and it is generally composed of a rotating shaft a61 rotatably installed in the base and an insulation breaker a62 provided at the side of the rotating shaft for realizing insulation between two contacts. When overload occurs, the metal elastic sheet A7 drives the contact A2 connected with the metal elastic sheet A7 to bounce off together due to overheating, and at the moment, the rotating shaft A61 rotates under the pulling action of the tension spring to enable the insulation partition piece A62 on the rotating shaft A3526 to enter between the two contacts A2, so that the purpose of insulation partition is achieved. When the current is normal, the switch A3 is pulled to drive the rotating shaft A61 to rotate, the insulation partition of the insulation partition piece A62 on the two contacts A2 is removed, and the two contacts A2 are contacted again to realize the normal use of the fuse holder.

The rotating shaft and the insulating partition sheet are basically integrally formed in the conventional insulating partition piece used in the conventional self-recovery fuse holder, and the conventional insulating partition piece is made of plastic which is not high-temperature resistant, can be melted when touching a high-temperature contact and is stuck on the contact, so that the whole product fails and the service life of the product is not prolonged; if the insulating partition is made of high-temperature-resistant materials, but the shaft part does not have special requirements, the manufacturing cost of parts is increased, and the cost is not favorably controlled.

Disclosure of Invention

The utility model aims to solve the technical problem that a life's that simple structure, with low costs and can effectively ensure whole product self recovery fuse seat is with insulating disconnected piece that separates is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a self-resuming fuse seat is with insulating partition piece, is in including being used for rotatable pivot and the setting of installing in the base of self-resuming fuse seat the insulating partition piece of pivot lateral part, insulating partition piece set up through the equipment the lateral part of pivot, insulating partition piece make by the high temperature resistant insulating material of high temperature that tolerates the contact that the temperature is higher than self-resuming fuse seat and produce at the during operation.

The pivot include switch connecting portion, insulating partition piece installation department and the rotation connecting portion that top-down set gradually, switch connecting portion be used for being connected with the switch of self-resuming fuse holder, the rotation connecting portion be used for rotating and install on the base of self-resuming fuse holder, insulating partition piece installation department be used for the installation of insulating partition piece. The rotating shaft is simple in structure, and each part plays its own role.

Insulating partition panel have wall portion and cartridge portion, the lateral part of insulating partition panel installation department be provided with and supply cartridge portion insert the cartridge groove of installation, cartridge portion close-fitting grafting install cartridge inslot, wall portion be used for the wall between two contacts of self-resuming fuse seat. The stable assembly connection of insulating partition piece and pivot is realized through the cooperation in cartridge portion and cartridge groove, simple structure, and easily assembly and assembly connection are stable.

The rotating shaft is provided with a tension spring mounting part. The tension spring mounting part is used for mounting a tension spring.

The rotating shaft is made of plastic materials. On the basis of ensuring the use strength, the manufacturing cost is lower.

The insulating partition sheet is made of high-temperature-resistant insulating material with the temperature resistance of 180-200 degrees.

The insulating partition sheet is made of high-temperature-resistant and corrosion-resistant insulating materials. The insulating partition sheet should have corrosion resistance as well as high-temperature insulation, thereby effectively ensuring the service life.

The insulating partition sheet is made of epoxy resin or phenolic plastic (bakelite) or polyester resin (PET) or mica. All the materials have the characteristics of high temperature resistance, corrosion resistance and insulation, and are suitable for manufacturing the insulating partition sheet.

The thickness of the insulating partition sheet is 1-1.2 mm. The minimum thickness of 1mm is to ensure that the material strength of the mechanism cannot be broken, and the tolerance range of 1-1.2mm is required for the installation of the mechanism and the main body.

Compared with the prior art, the utility model has the advantages of: the pivot is in the same place through the equipment assembly with insulating partition piece, adopts the less expensive ordinary material preparation of cost to satisfy the user demand to the pivot, and to insulating partition piece, then can select the high temperature resistant insulating material who tolerates the contact that the temperature is higher than self-resuming fuse seat and produce at the during operation to make, can effectively avoid insulating partition piece because of the problem that high temperature became invalid, uses self-resuming fuse seat, can effectively ensure life.

Drawings

FIG. 1 is a schematic cross-sectional view of a conventional self-restoring fuse holder;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the exploded structure of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, an insulation partition for a self-recovery fuse holder includes a rotating shaft 1 rotatably installed in a base a1 of the self-recovery fuse holder a and an insulation partition plate 2 disposed at a side portion of the rotating shaft 1, the insulation partition plate 2 is disposed at a side portion of the rotating shaft 1 by assembling, and the insulation partition plate 2 is made of a high temperature resistant insulating material having a temperature higher than a high temperature generated when a contact a2 of the self-recovery fuse holder a operates.

In this embodiment, the rotary shaft 1 includes a switch A3 connecting portion 11, an insulating partition piece mounting portion 12, and a rotary connecting portion 13, which are sequentially arranged from top to bottom, the switch A3 connecting portion 11 is for connecting with the switch A3 of the self-restoring fuse holder a, the rotary connecting portion 13 is for rotary mounting on the base a1 of the self-restoring fuse holder a, and the insulating partition piece mounting portion 12 is for mounting the insulating partition piece 2. The rotating shaft 1 has a simple structure, and each part plays its own role.

In this embodiment, the insulating partition plate 2 has a partition portion 21 and an insertion portion 22, the side portion of the insulating partition plate mounting portion 12 is provided with an insertion groove 121 into which the insertion portion 22 is inserted, the insertion portion 22 is tightly fitted and inserted into the insertion groove 121, and the partition portion 21 is used for partitioning between the two contacts a2 of the self-restoring fuse holder a. The stable assembly connection of the insulation partition plate 2 and the rotating shaft 1 is realized through the matching of the insertion part 22 and the insertion groove 121, the structure is simple, the assembly is easy, and the assembly connection is stable.

In this embodiment, the shaft 1 is provided with a tension spring mounting 14. The tension spring mounting portion 14 is used for mounting a tension spring.

In this embodiment, the shaft 1 is made of plastic. On the basis of ensuring the use strength, the manufacturing cost is lower.

In this particular embodiment, the insulating partition panel 2 is made of a high temperature resistant insulating material that withstands temperatures between 180 ° and 200 °.

In this particular embodiment, the insulating partition panel 2 is made of a high temperature and corrosion resistant insulating material. The insulating partition panel 2 should have corrosion resistance as well as high-temperature insulation, thereby effectively ensuring a long service life.

In this embodiment, the insulating partition panels 2 are made of epoxy resin or phenolic plastic (bakelite) or polyester resin (PET) or mica. All the materials have high temperature resistance, corrosion resistance and insulating property, and are suitable for manufacturing the insulating partition sheet 2.

In this embodiment, the insulating partition panel 2 has a thickness of 1 to 1.2 mm. The minimum thickness of 1mm is to ensure that the material strength of the mechanism cannot be broken, and the tolerance range of 1-1.2mm is required for the installation of the mechanism and the main body.

Claims

1. The utility model provides a self-resuming fuse seat is with insulating partition spare, is in including being used for the rotatable pivot of installing in self-resuming fuse seat's base and setting the insulating partition piece of pivot lateral part, its characterized in that insulating partition piece set up through the equipment the lateral part of pivot, insulating partition piece make by the high temperature resistant insulating material who tolerates the contact that the temperature is higher than self-resuming fuse seat and produce at the during operation.

2. The insulation breaker for a self-recovery fuse holder as claimed in claim 1, wherein the shaft comprises a switch connecting portion, an insulation breaker mounting portion and a rotation connecting portion sequentially arranged from top to bottom, the switch connecting portion is used for connecting with a switch of the self-recovery fuse holder, the rotation connecting portion is used for rotatably mounting on a base of the self-recovery fuse holder, and the insulation breaker mounting portion is used for mounting the insulation breaker.

3. The insulation breaker for a self-restoring fuse holder as claimed in claim 2, wherein the insulation breaker has a breaking portion and an insertion portion, the side portion of the insulation breaker mounting portion is provided with an insertion slot into which the insertion portion is inserted, the insertion portion is tightly fitted and inserted into the insertion slot, and the breaking portion is used for breaking between two contacts of the self-restoring fuse holder.

4. The insulating spacer for a self-restoring fuse holder as claimed in claim 2, wherein said rotary shaft is provided with a tension spring mounting portion.

5. The insulating spacer for a self-restoring fuse holder according to claim 1, wherein said shaft is made of a plastic material.

6. The insulating partition member for a self-healing fuse holder as claimed in claim 1, wherein said insulating partition plate is made of a high temperature resistant insulating material having a temperature resistance of 180 ° to 200 °.

7. The insulating partition member for a self-healing fuse holder as claimed in claim 1, wherein said insulating partition plate is made of a high temperature resistant and corrosion resistant insulating material.

8. The insulating partition member for a self-healing fuse holder as claimed in claim 1, 6 or 7, wherein said insulating partition piece is made of epoxy resin or phenolic plastic (bakelite) or polyester resin (PET) or mica.

9. The insulating partition member for a self-healing fuse holder as claimed in claim 1, wherein said insulating partition plate has a thickness of 1 to 1.2 mm.