CN219303977U

CN219303977U - Sealed binding post

Info

Publication number: CN219303977U
Application number: CN202320288624.2U
Authority: CN
Inventors: 黄晨晨; 丁守正; 杨四海
Original assignee: Emerson Electric Tongling Co Ltd
Current assignee: Emerson Electric Tongling Co Ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-04
Anticipated expiration: 2033-02-17

Abstract

A sealed terminal, comprising: the device comprises a body, a first connecting piece and a second connecting piece, wherein the body is provided with at least one conductive column mounting hole penetrating through the body, and the conductive column mounting hole comprises a first port; at least one conductive post, each of the conductive posts being mounted in a corresponding one of the conductive post mounting holes, and at least one first insulating member, each of the first insulating members being located between a corresponding one of the conductive posts and the body for insulating the conductive post from the body; wherein the diameter of the conductive post is in the range of 5mm-7 mm. The conductive column of the sealed wiring terminal has larger diameter and larger section, so that the sealed wiring terminal is suitable for occasions with low voltage and high working current.

Description

Sealed binding post

Technical Field

The utility model relates to the field of electrical terminals, in particular to a sealed wiring terminal.

Background

The sealed wiring terminal has quite wide application in the current industrial market, and along with the development of the electric automobile industry, the application range of the sealed wiring terminal is wider and wider, and the variety of the sealed wiring terminal is also more and more. Fig. 1 is a sealed terminal used in the prior art, which includes a base 1, a conductive core 2, and a glass body 3 sealing the base 1 and the conductive core 2. The conductive core of the sealing wiring terminal in the prior art has a smaller diameter (usually about 3.2 mm), so that the conductive core has a smaller section, and therefore, the sealing wiring terminal can only be suitable for occasions with high voltage and low current, and cannot meet the requirements of low voltage and high working current in the current electric automobile industry. Further, since the prior art hermetic terminal has a small diameter, it is disadvantageous to tap the outer circumferential portion of the conductive core to form a screw thread, and thus to be easily connected to or detached from other members such as another hermetic terminal or a nut by the screw thread.

Therefore, there is a need for improvements in the prior art for sealed terminals that are suitable for use in low voltage, high operating current applications and that allow the sealed terminal to be easily connected to and disconnected from other components.

Disclosure of Invention

In order to solve the above problems, an object of the present utility model is to provide a sealed connection terminal which can be applied to a low-voltage high-operating-current occasion.

Another object of the present utility model is to provide a sealed connection terminal that can be easily connected to or disconnected from other members.

The sealed connection terminal according to the present utility model includes: the device comprises a body, a first connecting piece and a second connecting piece, wherein the body is provided with at least one conductive column mounting hole penetrating through the body, and the conductive column mounting hole comprises a first port; at least one conductive post, each of the conductive posts being mounted in a corresponding one of the conductive post mounting holes, and at least one first insulating member, each of the first insulating members being located between a corresponding one of the conductive posts and the body for insulating the conductive post from the body; wherein the diameter of the conductive post is in the range of 5mm-7 mm.

The sealed connection terminal as described above, wherein an outer peripheral portion of at least one end portion of the conductive post is provided with a screw thread.

The sealed wiring terminal as described above, wherein the first insulating member comprises a ceramic ring which is sleeved outside the conductive post and sealed to the first port.

The sealed connection terminal as described above, wherein the conductive post includes: the conductive column comprises a first end part, a second end part and a middle part connecting the first end part and the second end part, wherein the outer peripheral parts of the first end part and the second end part of the conductive column are respectively provided with threads, the middle part of the conductive column is provided with a basically flat outer surface, and the ceramic ring is sleeved outside the middle part of the conductive column.

The sealed connection terminal as described above, wherein the first insulating member further comprises a glass frit located between and insulating the body, the conductive post, and the ceramic ring.

The sealed connection terminal as described above, wherein the ceramic ring includes a reduced portion at an end near the body, an outer diameter of the reduced portion being smaller than a diameter of the first port of the conductive post mounting hole, such that the reduced portion is inserted into the conductive post mounting hole through the first port.

The sealed terminal as described above, wherein the conductive post mounting hole further includes a second port located at the other end of the conductive post mounting hole with respect to the first port, the sealed terminal further including a second insulating member that insulates the conductive post to the body and seals to the second port of the conductive post mounting hole.

The sealed connection terminal as described above, wherein the second insulating member includes an epoxy member covering at least a portion of the second port of the conductive post mounting hole and at least a portion of an outer surface of the conductive post.

The sealed connection terminal as described above, wherein the second insulating member includes a cover sheet that covers over the epoxy resin member and completely seals the second port.

The sealed connection terminal as described above, wherein the number of the conductive posts, the conductive post mounting holes, and the first insulating member is three, respectively.

The sealed wiring terminal as described above, wherein the sealed wiring terminal further comprises at least one nut, each of the nuts is sleeved outside the corresponding conductive column and is in threaded connection with the conductive column, and each of the nuts is located above the second insulating member and fixed relative to the second insulating member.

The diameter of the conductive column of the sealed wiring terminal is much larger than that of the conductive core in the prior art, so that the conductive column has a larger section, and the sealed wiring terminal is suitable for occasions with low voltage and high working current; the outer peripheral portion of at least one end portion of the conductive post is provided with threads, so that the sealing terminal of the present utility model can be conveniently screwed with or detached from other members such as another sealing terminal or a nut; the first port of the conductive column mounting hole is completely sealed by the ceramic ring, so that the sealing property of the sealed insulating terminal is improved; and the second port of the conductive column mounting hole is completely sealed by the second insulating part, so that the sealing property of the sealed insulating terminal is further improved, at least one part of the outer surface of the conductive column is covered by the second insulating part, the end surface insulating area of the conductive column is increased, and the insulating property of the sealed wiring terminal is greatly improved.

Drawings

FIG. 1 is a schematic view of a prior art hermetic terminal;

fig. 2 is a schematic view of a hermetic terminal according to the present utility model.

Detailed Description

Hereinafter, the sealed connection terminal of the present utility model will be described with reference to the accompanying drawings.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

FIG. 1 is a schematic view of a prior art hermetic terminal; fig. 2 is a schematic view of a hermetic terminal according to the present utility model. Referring to fig. 2, the hermetic terminal of the present utility model includes a body 10, at least one conductive post 20, and at least one first insulating member. The body 10 is made of metal and is provided with at least one conductive post mounting hole 11 penetrating the body 10, each conductive post mounting hole 11 including a first port 111 and a second port 112 located at the other end of the conductive post mounting hole 11 with respect to the first port 111. The number of conductive posts 20 corresponds to the number of conductive post mounting holes 11, i.e., each conductive post 20 is mounted in a corresponding conductive post mounting hole 11. Each first insulating member is located between a corresponding conductive post 20 and the body 10 for insulating the conductive post 20 from the body 10. Further, the number of conductive pillars 20 also corresponds to the number of first insulating members.

In this embodiment, the diameter of the conductive post 20 is in the range of 5mm-7mm, preferably in the range of 5.5mm-6.5mm, more preferably about 6.35mm. The diameter of the conductive post of the sealed wiring terminal of the utility model is much larger than the diameter of the conductive core of the prior art (usually about 3.2 mm), thus having a larger cross section, so that the sealed wiring terminal of the utility model is suitable for occasions with low voltage and high working current.

Referring to fig. 2, the conductive post 20 includes a first end 21, a second end 23, and an intermediate portion 22 connecting the first end 21 and the second end 23. The outer circumferential portion of at least one of the first end portion 21 and the second end portion 23 of the conductive post 20 is provided with threads so that the hermetic terminal can be easily screwed to or detached from other members such as another hermetic terminal or nut. In the present embodiment, the outer peripheral portions of the first end portion 21 and the second end portion 23 of the conductive post 20 are each provided with threads, and the intermediate portion 22 of the conductive post 20 has a substantially flat outer surface. However, it is conceivable that the outer peripheral portion of only one of the first end portion 21 and the second end portion 23 of the conductive post 20 is provided with threads and the intermediate portion 22 of the conductive post 20 has a substantially flat outer surface, or that the entire outer peripheral portion of the conductive post 20, i.e., the outer peripheral portions of the first end portion 21, the second end portion 23, and the intermediate portion 22 are provided with threads.

Referring to fig. 2, each conductive post 20 is mounted into the body 10 by a corresponding first insulating member. The first insulating member includes a ceramic ring 30 and a glass frit 40. The ceramic ring 30 is fitted over the outside of the conductive post 20, preferably the middle portion 22 of the conductive post 20, and then the conductive post 20 together with one end of the ceramic ring 30 is inserted into the conductive post mounting hole 11 of the body 10, specifically, into the first port 111 of the conductive post mounting hole 11, so that the ceramic ring 30 is sealed to the first port 111, and then the glass sintered member 40 is formed and cured between the outer wall of the conductive post 20, the ceramic ring 30 and the body 10, thereby insulating the three together. Referring to fig. 2, the middle portion 22 of the conductive post 20 is fixed at the center of the conductive post mounting hole 11 by the ceramic ring 30 and the glass frit 40, and the first and

second ends

21 and 23 of the conductive post 20 are exposed to the upper and lower sides of the body 10, respectively.

Preferably, referring to fig. 2, the ceramic ring 30 includes a reduced portion 31 at an end near the body 10, an extended portion 33 at an end far from the body 10, and the ceramic ring 30 includes a tapered portion 32 connecting the extended portion 33 and the reduced portion 31. The outer diameter of the extension portion 33 is larger than the diameter of the first port 111 of the conductive post mounting hole 11, the outer diameter of the tapered portion 32 gradually decreases in the direction from the extension portion 33 toward the reduced portion 31, the outer diameter of the reduced portion 31 is smaller than the diameter of the first port 111, so that the reduced portion 31 is inserted into the conductive post mounting hole 11 through the first port 111, the tapered portion 32 abuts against the edge of the first port 111 of the conductive post mounting hole 11, and the extension portion 31 is disposed outside the first port 111 of the conductive post mounting hole 11, which makes the first port 111 of the conductive post mounting hole 11 completely sealed by the ceramic ring 30, improving the sealing property of the sealed insulating terminal.

Preferably, referring to fig. 2, the hermetic terminal further includes a second insulating member disposed outside the conductive post 20 and for insulating the conductive post 20 from the body 10. Specifically, the second insulating member includes an epoxy member 50 and a cover sheet 60, the epoxy member 50 covering at least a portion of the second port 112 of the conductive post mounting hole 11 and at least a portion of the outer surface of the conductive post 20, the cover sheet 60 covering over the epoxy member 50 and completely sealing the second port 112. Preferably, the hermetic terminal further includes at least one nut 70, each nut 70 is sleeved outside the corresponding conductive post 20 and is screw-coupled with the conductive post 20, and each nut 70 is positioned above and fixed with respect to the second insulating member. If the nut 70 is not provided, torsion is generated to the conductive post 20 when the hermetic terminal of the present utility model is screw-coupled and fastened to the terminal of the user terminal. The nut 70 serves to prevent the generation of the torsion force, thereby preventing damage to the glass seal. Specifically, when the hermetic terminal of the present utility model is screw-coupled and fastened to the terminal of the user terminal, the user can grip the nut 70, thereby counteracting the torsion force generated. The second port 112 of the conductive post mounting hole 11 is completely sealed by the second insulating member, which improves the sealability of the sealed insulated terminal, and at least a portion of the outer surface of the conductive post 20 is covered by the second insulating member, so that the end surface insulating area of the conductive post is increased, greatly improving the insulation performance of the sealed terminal.

In the sealed terminal of the present embodiment, the number of the conductive posts 20, the conductive post mounting holes 11, the nuts 70, and the first insulating members is three, respectively. It is contemplated that there may be any number of conductive posts 20.

The preferred embodiments of the present utility model have been described above by way of example, but the scope of the present utility model is not limited thereto. Variations and modifications that fall within the spirit and principles of the utility model are within the scope of the utility model.

Claims

1. A sealed terminal, comprising:

the device comprises a body, a first connecting piece and a second connecting piece, wherein the body is provided with at least one conductive column mounting hole penetrating through the body, and the conductive column mounting hole comprises a first port;

at least one conductive post, each of the conductive posts being mounted in a corresponding conductive post mounting hole, an

At least one first insulating member, each of the first insulating members being located between a corresponding one of the conductive posts and the body, for insulating the conductive post from the body;

the conductive post is characterized in that the diameter of the conductive post is in the range of 5mm-7 mm.

2. The sealed connection terminal according to claim 1, wherein an outer peripheral portion of at least one end portion of the conductive post is provided with threads.

3. The hermetic terminal of claim 1, wherein the first insulating member comprises a ceramic ring that is sleeved outside the conductive post and sealed to the first port.

4. The sealed terminal of claim 3, wherein the conductive post comprises: the conductive column comprises a first end part, a second end part and a middle part connecting the first end part and the second end part, wherein the outer peripheral parts of the first end part and the second end part of the conductive column are respectively provided with threads, the middle part of the conductive column is provided with a basically flat outer surface, and the ceramic ring is sleeved outside the middle part of the conductive column.

5. The hermetic terminal of claim 3, wherein the first insulating member further comprises a glass frit positioned between and insulatively connecting the body, the conductive post, and the ceramic ring.

6. The sealed wire connection terminal according to any one of claims 3 to 5, wherein the ceramic ring includes a reduced portion at an end near the body, an outer diameter of the reduced portion being smaller than a diameter of the first port of the conductive post mounting hole, such that the reduced portion is inserted into the conductive post mounting hole through the first port.

7. The sealed terminal of claim 1, wherein the conductive post mounting hole further comprises a second port at the other end of the conductive post mounting hole relative to the first port, the sealed terminal further comprising a second insulating member that insulates the conductive post to the body and seals to the second port of the conductive post mounting hole.

8. The sealed connection terminal according to claim 7, wherein the second insulating member includes an epoxy member covering at least a portion of the second port of the conductive post mounting hole and at least a portion of an outer surface of the conductive post.

9. The hermetic terminal of claim 8, wherein the second insulating member includes a cover sheet that overlies the epoxy member and completely seals the second port.

10. The sealed connection terminal according to any one of claims 1 to 5, wherein the number of the conductive posts, the conductive post mounting holes, and the first insulating member is three, respectively.

11. The sealed terminal according to any one of claims 7 to 9, further comprising at least one nut, each of the nuts being sleeved on the outside of and screwed with the corresponding conductive post, and each of the nuts being located above and fixed relative to the second insulating member.