CN218826803U - Moving contact structure of isolating switch - Google Patents
Moving contact structure of isolating switch Download PDFInfo
- Publication number
- CN218826803U CN218826803U CN202222819043.5U CN202222819043U CN218826803U CN 218826803 U CN218826803 U CN 218826803U CN 202222819043 U CN202222819043 U CN 202222819043U CN 218826803 U CN218826803 U CN 218826803U
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- contact
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- moving
- isolating switch
- assembly
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Abstract
The utility model discloses a moving contact structure of an isolating switch, which comprises a slider and a plurality of moving contacts, wherein the moving contacts are positioned on the slider and fixed, the moving contacts comprise two contact assemblies which are arranged up and down, the upper contact assembly and the lower contact assembly form a clamping groove matched with a fixed contact, and one side of each contact assembly, which faces the clamping groove, is a plane; the utility model discloses increased area of contact, improved the electrical connection stability between moving contact and the static contact, the electric current that bears can be higher.
Description
Technical Field
The utility model relates to an isolator's movable contact structure.
Background
In a high-current isolating switch, a moving contact is usually arranged on a sliding plate, and the moving contact is driven by the movement of the sliding plate, so that the effects of switching on and switching off are realized. The existing moving contact is of a cylindrical structure, and point connection is adopted between the moving contact and a fixed contact. Along with the development of science and technology, isolator uses more and more in direct current voltage, along with also having appeared the problem, because the point connection leads to the area of contact between moving contact and the static contact less, when the direct current voltage through the heavy current, electrical connection performance is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an isolator's movable contact structure.
The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides an isolator's movable contact structure, wherein, includes slider and a plurality of moving contact, the moving contact is located the slider and fixes, and the moving contact includes the contact subassembly that two set up from top to bottom, and two upper and lower contact subassemblies form with static contact complex centre gripping groove, and contact subassembly orientation centre gripping groove one side is the plane.
Adopt the plane setting for the centre gripping groove forms two planar centre gripping effects, for prior art, has increased area of contact, has improved the electrical connection stability between moving contact and the static contact, and the electric current that bears can be higher.
Wherein, the contact subassembly is prismatic structure.
And the arrangement of the prism structure is adopted, so that the contact assembly is more convenient to process.
The contact assembly comprises a first contact piece and a second contact piece, and the first contact piece is attached to the second contact piece.
The components of a whole that can function independently setting of first contact spare and second contact spare reduces the processing degree of difficulty, secondly through laminating between them, improves current resistance.
The first contact piece is provided with a stepped groove, and the second contact piece is provided with a stepped protrusion matched with the stepped groove.
The stepped groove and the stepped protrusion are matched, so that a matching effect is formed during installation, and the installation is more convenient.
Wherein the foremost end of the second contact piece is provided with a guide surface.
Due to the arrangement of the guide surface, the movable contact is arranged at the front end contacted with the fixed contact, the matching effect is better realized, and the fixed contact can better enter the clamping groove.
The device comprises a fixing piece and a reset piece, wherein the fixing piece penetrates through the upper contact assembly and the lower contact assembly, the reset piece is sleeved on the fixing piece, and the reset piece and one side, far away from the clamping groove, of the contact assembly are abutted.
The cooperation of mounting and the piece that resets has been adopted, has strengthened the centre gripping effect in centre gripping groove, increases contact pressure, improves the stability of being connected between moving contact and the static contact.
Wherein, one end of the fixing part is provided with a riveting part.
The riveting portion is arranged, so that the assembly and the fixation are more convenient.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a front view of embodiment 1 of the present invention;
fig. 3 is a front view of another form of the first contact member according to embodiment 1 of the present invention.
Detailed Description
Example 1:
referring to fig. 1-3, a movable contact structure of an isolating switch includes a slider 1 and a movable contact 2.
The slider 1 is provided with a plurality of through holes 11, the through holes 11 are used for fixing the moving contact 2, and the through holes 11 penetrate through the front and the back. The number of the through holes 11 can be adjusted according to actual requirements. In addition, the slider 1 is also provided with a linkage hole 12 linked with a handle or a driving mechanism, and the left-right sliding effect of the slider 1 is realized through the linkage hole 12. In addition, in order to increase the sliding stability of the sliding block 1, a guide block can be additionally arranged on the sliding block 1 to form a guide effect.
Four moving contacts 2 are arranged on one sliding block 1, and the four moving contacts 2 correspond to three-phase lines and zero lines. In this embodiment, the moving contact 2 is symmetrically arranged in front and back with respect to the central line of the slider 1, so that the electrical connection effect between the front and back static contacts is realized.
One movable contact 2 comprises two contact components 21 arranged up and down, the two contact components 21 form a clamping groove 22 matched with the fixed contact, the number of the clamping grooves 22 is two, the two clamping grooves are front and back, the clamping grooves 22 correspond to the two fixed contacts, and the structures of the clamping grooves 22 are consistent. Here, the upper and lower contact assemblies 21 are vertically symmetrical, and only one of the contact assemblies 21 will be described in this embodiment.
The contact assembly 21 includes a first contact piece 3, a second contact piece 4, a fixing piece 5 and a reset piece 6, wherein the first contact piece 3 and the second contact piece 4 are both prism structures in the embodiment, that is, the outer surface of the contact piece is a plane, and the contact piece is a plane towards one side of the clamping groove 22. Here, the side of the contact member facing the holding groove 22 may be a plane, and the rest positions may be arc surfaces, such as a semicircle or a minor arc connected to a straight line or a major arc connected to a straight line.
Further, the second contact member 4 is provided with a guide surface 42 at the foremost end. The guide surface 42 is here the side close to the stationary contact. Due to the arrangement of the guide surface 42, the movable contact 2 can better realize a matching effect at the front end contacted with the fixed contact, so that the fixed contact can better enter the clamping groove 22. It should be noted that the upper and lower contact assemblies 21 form a splayed structure, so that the stationary contact can better enter the clamping groove 22.
The fixing member 5 has a head 51 at one end and a riveting portion 52 at the other end, and the fixing member 5 penetrates through the first contact piece 3 located above and the first contact piece 3 located below, and then forms the riveting portion 52 by riveting, so that a fixing effect is formed. Here, the fixing effect can also be achieved by a screw and nut fit. Here, the number of the fixing elements 5 is increased according to actual requirements, in this embodiment, the two moving contact 2 assemblies correspond to four fixing elements 5, two fixing elements 5 are respectively connected to the upper and lower first contact elements 3, one fixing element 5 is located on the front side, the other fixing element 5 is located on the rear side, the other two fixing elements 5 are respectively connected to the upper and lower second contact elements 4, one fixing element 5 is located on the front side, and the other fixing element 5 is located on the rear side.
The reset piece 6 is sleeved on the fixing piece 5, and two reset pieces 6 are arranged on one fixing piece 5, wherein one reset piece is positioned at the upper end and the other reset piece is positioned at the lower end. The reset piece 6 at the upper end has one end abutting against the caulking portion 52 and the other end abutting against the contact assembly 21 located above. The reset element 6 at the lower end has one end abutting against the head 51 and the other end abutting against the contact assembly 21 located below. The fixing piece 5 and the reset piece 6 are matched, so that the clamping effect of the clamping groove 22 is enhanced, the contact pressure is increased, and the connection stability between the moving contact 2 and the static contact is improved. The return element 6 is here preferably a spring.
The planar arrangement is adopted, so that the clamping grooves 22 form two planar clamping effects, compared with the prior art, the contact area is increased, the electrical connection stability between the moving contact 2 and the static contact is improved, and the borne current can be higher.
Claims (7)
1. The utility model provides a isolator's movable contact structure which characterized in that: the movable contact is positioned on the sliding block and fixed, the movable contact comprises two contact assemblies which are arranged up and down, the upper contact assembly and the lower contact assembly form a clamping groove matched with the fixed contact, and one side of each contact assembly, facing the clamping groove, is a plane.
2. The moving contact structure of an isolating switch as claimed in claim 1, characterized in that: the contact assembly is a prismatic structure.
3. The moving contact structure of an isolating switch as claimed in claim 1, characterized in that: the contact assembly comprises a first contact piece and a second contact piece, wherein the first contact piece is attached to the second contact piece.
4. A moving contact structure of an isolating switch as claimed in claim 3, characterized in that: the first contact part is provided with a stepped groove, and the second contact part is provided with a stepped bulge matched with the stepped groove.
5. The moving contact structure of an isolating switch as claimed in claim 1, characterized in that: the second contact member has a guide surface at its foremost end.
6. The moving contact structure of an isolating switch as claimed in claim 1, characterized in that: the fixing part penetrates through the upper contact assembly and the lower contact assembly, the resetting piece is sleeved on the fixing part, and the resetting piece and one side, far away from the clamping groove, of the contact assembly are abutted.
7. The moving contact structure of an isolating switch as claimed in claim 6, wherein: one end of the fixing part is provided with a riveting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222819043.5U CN218826803U (en) | 2022-10-25 | 2022-10-25 | Moving contact structure of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222819043.5U CN218826803U (en) | 2022-10-25 | 2022-10-25 | Moving contact structure of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826803U true CN218826803U (en) | 2023-04-07 |
Family
ID=87256039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222819043.5U Active CN218826803U (en) | 2022-10-25 | 2022-10-25 | Moving contact structure of isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826803U (en) |
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2022
- 2022-10-25 CN CN202222819043.5U patent/CN218826803U/en active Active
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