CN217009035U - Low-voltage isolation switch - Google Patents
Low-voltage isolation switch Download PDFInfo
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- CN217009035U CN217009035U CN202220300464.4U CN202220300464U CN217009035U CN 217009035 U CN217009035 U CN 217009035U CN 202220300464 U CN202220300464 U CN 202220300464U CN 217009035 U CN217009035 U CN 217009035U
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Abstract
The utility model discloses a low-voltage isolation switch which comprises a base, an incoming wire connecting component and an outgoing wire connecting component, wherein the base is provided with a plurality of through holes; the wire inlet wiring assembly comprises a contact, a pile head, a first wiring terminal and a first fixing screw, and the wire outlet wiring assembly comprises a contact knife, a contact knife bracket, a second wiring terminal and a second fixing screw; wiring holes are formed in the first wiring terminal and the second wiring terminal; the first binding post is provided with a contact, pressing sheets are arranged on two sides of the contact, and the second binding post is provided with a contact knife bracket. According to the low-voltage isolation switch, the pressing sheets are arranged on the two sides of the contact, the contact is prevented from being loosened after long-time use, the gasket is arranged in the wiring hole, a wire can be fixed, a screw can be prevented from damaging the wire, the durability of the isolation switch is improved, the copper-aluminum oxidation risk can be avoided by adopting the copper-aluminum transition pile head, and the anti-falling capacity of the isolation switch can be improved by adopting the glass fiber reinforced molding compound base.
Description
Technical Field
The utility model relates to the technical field of isolation switches, in particular to a low-voltage isolation switch.
Background
The isolation knife switch is the most common device for separating or putting load and cutting off or connecting power supply in the circuit, and has wide application. The traditional isolation switch generally comprises an insulating substrate (base), a contact knife bracket, a contact knife holder and a wiring assembly;
currently, isolation switches have the following problems:
1. after the contact is used for a period of time, the contact becomes loose and is difficult to clamp;
2. the fixing screw can damage the lead;
3. the traditional copper pile head and an aluminum wire generate a copper-aluminum oxidation phenomenon;
4. the drop resistance of the base is poor.
Based on the above situation, the utility model provides a low-voltage isolation switch, which can effectively solve one or more of the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage isolation switch. The low-voltage isolation switch is simple in structure and convenient to use, the contact is prevented from being loosened after long-time use by arranging the pressing sheets on the two sides of the contact, the gasket is arranged in the wiring hole, a wire can be fixed, the wire can be prevented from being damaged by a screw, the durability of the isolation switch is improved, the copper-aluminum oxidation risk can be avoided by adopting the copper-aluminum transition pile head, and the anti-falling capacity of the isolation switch can be improved by adopting the glass fiber reinforced molding compound base.
The utility model is realized by the following technical scheme:
a low-voltage isolation switch comprises a base, an incoming line wiring assembly and an outgoing line wiring assembly;
an incoming wire connection assembly and an outgoing wire connection assembly are arranged on two sides of the base respectively, the incoming wire connection assembly comprises a contact, a pile head, a first wiring terminal and a first fixing screw, and the outgoing wire connection assembly comprises a contact knife, a contact knife bracket, a second wiring terminal and a second fixing screw;
wiring holes are formed in the first wiring terminal and the second wiring terminal, the first fixing screw is in threaded connection with the first wiring terminal and extends into the wiring holes, the second fixing screw is in threaded connection with the second wiring terminal and extends into the wiring holes;
the novel wiring terminal is characterized in that a contact is arranged on the first wiring terminal, pressing sheets are arranged on two sides of the contact, one end of the pile head is arranged between the first wiring terminal and the first fixing screw, the other end of the pile head is arranged in the wiring hole, a touch knife support is arranged on the second wiring terminal, the touch knife support is rotatably connected with one end of the touch knife, and a handle is arranged at the other end of the touch knife.
The utility model aims to provide a low-voltage isolation switch. The low-voltage isolation switch is simple in structure and convenient to use, the pressing pieces are arranged on the two sides of the contact, the contact is prevented from being loosened after long-time use, the gasket is arranged in the wiring hole, a wire can be fixed, a screw can be prevented from damaging the wire, the durability of the isolation switch is improved, the copper-aluminum oxidation risk can be avoided by adopting the copper-aluminum transition pile head, and the anti-falling capacity of the isolation switch can be improved by adopting the glass fiber reinforced molding compound base.
Preferably, a gasket with a semicircular section is arranged in the wiring hole of the first wiring terminal.
Preferably, the pile head comprises a copper contact part and an aluminum contact part which are integrally and sequentially connected, the copper contact part is used for contacting with the contact, and the aluminum contact part is used for contacting with an aluminum line.
Preferably, the material of the base is glass fiber reinforced molding compound.
Preferably, the handle is provided with a spherical handle.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the low-voltage isolation switch is simple in structure and convenient to use, the contact is prevented from being loosened after long-time use by arranging the pressing sheets on the two sides of the contact, the gasket is arranged in the wiring hole, a wire can be fixed, the wire can be prevented from being damaged by a screw, the durability of the isolation switch is improved, the copper-aluminum oxidation risk can be avoided by adopting the copper-aluminum transition pile head, and the anti-falling capacity of the isolation switch can be improved by adopting the glass fiber reinforced molding compound base.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 2, the utility model provides a low-voltage isolation switch, which comprises a base 1, an incoming line wiring assembly and an outgoing line wiring assembly;
an incoming line wiring assembly and an outgoing line wiring assembly are arranged on two sides of the base 1 respectively, the incoming line wiring assembly comprises a contact 21, a pile head 22, a first wiring terminal 23 and a first fixing screw 24, and the outgoing line wiring assembly comprises a contact knife 31, a contact knife bracket 32, a second wiring terminal 33 and a second fixing screw 34;
the utility model discloses a contact knife, including first terminal 23, contact 21, stake head 22, contact knife 31, be equipped with handle 4 on the other end, be equipped with contact 21 on the first terminal 23, contact 21 both sides are equipped with preforming 25, stake head 22 one end is located between first terminal 23 and first fixed screw 24, the stake head 22 other end is located wiring hole 231 in, be equipped with on the second terminal 33 and touch knife support 32, touch knife support 32 and touch knife 31 one end and rotate and be connected, touch knife 31 other end. The pressing piece 25 can ensure that the contact 21 has enough grip on the knife switch, effectively prevent the contact 21 and the knife switch from loosening and expanding, and have the elastic recovery capability under the condition of large load.
Further, in another embodiment, a pad 26 having a semicircular cross section is disposed in the wiring hole 231 of the first terminal 23.
The gasket 26 is arranged to fix the connected wires in the clamping plate by means of the fastening pressure of the fixing screw, so that the wire clamp can have even pressure on the wires, and physical damage to the wires due to the compression of the clamping plate is reduced. Wherein the semi-circle shape can form a supporting function to protect the conducting wire.
Further, in another embodiment, the stub 22 includes a copper contact portion for contacting the contact 21 and an aluminum contact portion for contacting the aluminum wire, which are integrally connected in sequence.
Traditional copper pile head and aluminium line contact easily take place the oxidation, and the back is improved, and the contact of same material clamp mouth and wire has avoided the copper aluminium oxidation risk that probably produces after the contact of different materials.
Further, in another embodiment, the material of the base 1 is glass fiber reinforced molding compound.
The new material base insulating nature is strong, and anti falling ability reinforce, the quality is light, conveniently carries.
Further, in another embodiment, the handle 4 is provided with a knob 41.
The ball-shaped handle 41 is provided to facilitate the operation of the worker.
According to the description of the utility model and the attached drawings, a person skilled in the art can easily manufacture or use the low-voltage isolation switch of the utility model and can produce the positive effects recorded in the utility model.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a low pressure isolation switch which characterized in that: the wire-outgoing device comprises a base, a wire-incoming wiring assembly and a wire-outgoing wiring assembly;
an incoming wire connection assembly and an outgoing wire connection assembly are arranged on two sides of the base respectively, the incoming wire connection assembly comprises a contact, a pile head, a first wiring terminal and a first fixing screw, and the outgoing wire connection assembly comprises a contact knife, a contact knife bracket, a second wiring terminal and a second fixing screw;
wiring holes are formed in the first wiring terminal and the second wiring terminal, the first fixing screw is in threaded connection with the first wiring terminal and extends into the wiring holes, the second fixing screw is in threaded connection with the second wiring terminal and extends into the wiring holes;
the utility model discloses a wiring tool, including first terminal, contact, stake head, wiring hole, be equipped with on the first terminal, the contact both sides are equipped with the preforming, stake head one end is located between first terminal and the first fixed screw, the stake head other end is located wiring hole, be equipped with on the second terminal and touch the sword support, touch the sword support and touch sword one end and rotate and be connected, it is equipped with the handle to touch the sword other end.
2. The low voltage isolation switch of claim 1, wherein: and a gasket with a semicircular section is arranged in the wiring hole of the first wiring terminal.
3. The low voltage isolation switch of claim 1, wherein: the pile head comprises a copper contact part and an aluminum contact part which are made into a whole and connected in sequence, the copper contact part is used for being in contact with the contact, and the aluminum contact part is used for being in line contact with aluminum.
4. The low voltage isolation switch of claim 1, wherein: the base is made of glass fiber reinforced molding compound.
5. The low voltage isolation switch of claim 1, wherein: the handle is provided with a spherical handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220300464.4U CN217009035U (en) | 2022-02-15 | 2022-02-15 | Low-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220300464.4U CN217009035U (en) | 2022-02-15 | 2022-02-15 | Low-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217009035U true CN217009035U (en) | 2022-07-19 |
Family
ID=82394011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220300464.4U Active CN217009035U (en) | 2022-02-15 | 2022-02-15 | Low-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217009035U (en) |
-
2022
- 2022-02-15 CN CN202220300464.4U patent/CN217009035U/en active Active
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