CN214068618U - Electric knife switch with high one-time safety - Google Patents
Electric knife switch with high one-time safety Download PDFInfo
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- CN214068618U CN214068618U CN202120385240.3U CN202120385240U CN214068618U CN 214068618 U CN214068618 U CN 214068618U CN 202120385240 U CN202120385240 U CN 202120385240U CN 214068618 U CN214068618 U CN 214068618U
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- knife switch
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Abstract
The utility model relates to a knife switch technical field, concretely relates to high knife switch of electrical primary safety, including knife switch subassembly, knife switch subassembly's top is equipped with a protection subassembly, and the protection subassembly carries on spacingly through spacing subassembly, and knife switch subassembly includes a ceramic base, and ceramic base's upper surface middle part is connected with the moving contact through the connecting piece rotation, and the moving contact is kept away from the one end fixed mounting of connecting piece and is had a ceramic handle, and ceramic base's upper surface one end fixed mounting have with moving contact assorted static contact, and ceramic base's upper surface has been seted up one "return" word groove, and the protection subassembly includes an arc protection casing. The utility model discloses a rotating the hexagonal plate, making two connection blocks keep away from each other, the one end of spacing post this moment will break away from the inside in spacing hole, later can dismantle the arc protection casing get off, is convenient for maintain the inside of tool setting switch module.
Description
Technical Field
The utility model relates to a sword switch technical field, concretely relates to electric knife switch that security is high once.
Background
The knife switch is also called knife switch or isolating switch, and is the simplest and widely used low-voltage electrical appliance in manual control electrical appliances.
At present, the moving contact of the current sword switch in the market exposes in the outside, and the security is lower, when needs maintain the sword switch in addition, need dismantle the arc protection casing get off, and current sword switch is fixed the arc protection casing through the bolt mostly, leads to dismantling more troublesome.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims to provide an electric knife switch that security is high once, through rotating the hexagonal plate, make two connection block keep away from each other, the one end of spacing post this moment will break away from the inside in spacing hole, later can dismantle the arc protection casing get off, is convenient for maintain knife switch assembly's inside.
The purpose of the utility model can be realized by the following technical scheme:
a knife switch with high electrical primary safety comprises a knife switch component, wherein a protection component is arranged above the knife switch component, and the protection component is limited through a limiting component;
the knife switch assembly comprises a ceramic base, the middle part of the upper surface of the ceramic base is rotatably connected with a moving contact through a connecting piece, one end of the moving contact, which is far away from the connecting piece, is fixedly provided with a ceramic handle, one end of the upper surface of the ceramic base is fixedly provided with a static contact matched with the moving contact, and the upper surface of the ceramic base is provided with a 'return' shaped groove;
the protection assembly comprises an arc-shaped protection cover, the bottom end of the arc-shaped protection cover is inserted into the U-shaped groove, a plurality of arc-shaped grooves matched with the moving contact are formed in the arc-shaped protection cover, two side faces of the arc-shaped protection cover are fixedly provided with a side plate, and one surface of the side plate is provided with two limiting holes;
the limiting assembly comprises two fixed strip-shaped plates, the fixed strip-shaped plates are fixedly arranged on the upper surface of a ceramic base, two limiting columns penetrate through the inside of the fixed strip-shaped plates, a baffle ring is fixedly sleeved at the middle parts of the limiting columns, a sliding strip-shaped plate is fixedly arranged at one ends of the limiting columns, the baffle ring and the sliding strip-shaped plates are positioned on two sides of the fixed strip-shaped plates, a bottom plate is fixedly arranged on the lower surface of the sliding strip-shaped plates, a connecting plate is fixedly arranged on one surface of the bottom plate, a transverse plate is fixedly arranged at one end, far away from the bottom plate, of the connecting plate, a connecting block body is fixedly arranged at one end, far away from the connecting plate, of the transverse plate, the limiting assembly further comprises two convex plates which are fixedly arranged on the ceramic base, a rotating column penetrates through the inside of the two convex plates, and limiting rings are fixedly arranged on the side surfaces of the, the both ends week side of rotating the post all has seted up the thread groove, the one end through connection block that rotates the post and has the thread groove.
Further, the method comprises the following steps: the inside of fixed bar shaped plate still is equipped with two and spacing post assorted through holes, spacing post passes the through hole, and the week side of spacing post and the inner wall of through hole all smooth.
Further, the method comprises the following steps: a through hole matched with the rotating column is formed in the convex plate, and the rotating column penetrates through the through hole.
Further, the method comprises the following steps: the middle part of the rotating column is fixedly provided with a hexagonal plate, and the outer surface of the hexagonal plate is rough.
Further, the method comprises the following steps: the connecting block body is provided with a threaded hole, and one end of the rotating column with a threaded groove is inserted into the threaded hole.
Further, the method comprises the following steps: one end, far away from the sliding strip-shaped plate, of the limiting column is inserted into the limiting hole, the diameter of the limiting column is the same as the inner diameter of the limiting hole, and the peripheral side face of the limiting column and the inner wall of the limiting hole are smooth.
The utility model has the advantages that:
1. the utility model is provided with the arc-shaped protective cover, and the arc-shaped protective cover is arc-shaped, so that when the ceramic handle is rotated, the moving contact is always positioned inside the arc-shaped protective cover and can not be exposed outside, thereby greatly improving the safety of the utility model;
2. the utility model discloses a rotating the hexagonal plate, making two connection blocks keep away from each other, the one end of spacing post this moment will break away from the inside in spacing hole, later can dismantle the arc protection casing get off, is convenient for maintain the inside of tool setting switch module.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the whole of the present invention;
fig. 2 is a schematic view of an installation structure of the middle limiting component of the present invention;
fig. 3 is a schematic structural diagram of the middle blade switch assembly of the present invention;
fig. 4 is a schematic structural diagram of a guard assembly of the present invention;
fig. 5 is a schematic structural diagram of the middle limiting component of the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention.
In the figure: 1. a knife switch assembly; 101. a ceramic base; 102. a connecting member; 103. a moving contact; 104. a ceramic handle; 105. static contact; 106. a U-shaped groove; 2. a guard assembly; 201. an arc-shaped protective cover; 202. an arc-shaped slot; 203. a side plate; 204. a limiting hole; 3. a limiting component; 301. fixing the strip-shaped plate; 302. a limiting column; 303. a baffle ring; 304. a sliding strip plate; 305. a base plate; 306. a connecting plate; 307. a transverse plate; 308. a connection block; 309. a convex plate; 310. rotating the column; 311. a limiting ring; 312. a hexagonal plate; 313. a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, a knife switch with high electrical primary safety comprises a knife switch component 1, a protection component 2 is arranged above the knife switch component 1, and the protection component 2 is limited by a limit component 3;
the knife switch component 1 comprises a ceramic base 101, the middle part of the upper surface of the ceramic base 101 is rotatably connected with a movable contact 103 through a connecting piece 102, one end of the movable contact 103 far away from the connecting piece 102 is fixedly provided with a ceramic handle 104, one end of the upper surface of the ceramic base 101 is fixedly provided with a static contact 105 matched with the movable contact 103, and the upper surface of the ceramic base 101 is provided with a 'return' shaped groove 106;
the protection assembly 2 comprises an arc-shaped protection cover 201, the bottom end of the arc-shaped protection cover 201 is inserted into the 'return' shaped groove 106, a plurality of arc-shaped grooves 202 matched with the moving contact 103 are formed in the arc-shaped protection cover 201, two side faces of the arc-shaped protection cover 201 are fixedly provided with a side plate 203, and one surface of the side plate 203 is provided with two limiting holes 204;
the limiting component 3 comprises two fixed strip-shaped plates 301, the fixed strip-shaped plates 301 are fixedly installed on the upper surface of the ceramic base 101, two limiting columns 302 penetrate through the inside of the fixed strip-shaped plates 301, the middle parts of the limiting columns 302 are fixedly sleeved with a baffle ring 303, one ends of the limiting columns 302 are fixedly installed with a sliding strip-shaped plate 304, the baffle ring 303 and the sliding strip-shaped plate 304 are positioned on two sides of the fixed strip-shaped plates 301, the lower surface of the sliding strip-shaped plate 304 is fixedly provided with a bottom plate 305, one surface of the bottom plate 305 is fixedly provided with a connecting plate 306, one end of the connecting plate 306 far away from the bottom plate 305 is fixedly provided with a transverse plate 307, one end of the transverse plate 307 far away from the connecting plate 306 is fixedly provided with a connecting block 308, the limiting component 3 further comprises two convex plates 309, the convex plates 309 are fixedly installed on the ceramic base 101, a rotating column 310 penetrates through the inside of the two convex plates 309, the peripheral side surfaces of the rotating column 310 and both sides positioned on the convex plates 309 are fixedly provided with the limiting rings 311, the circumferential side surfaces of both ends of the rotating column 310 are both provided with a thread groove 313, and one end of the rotating column 310 with the thread groove 313 penetrates through the connecting block 308.
Two through holes matched with the limiting columns 302 are further formed in the fixed strip-shaped plate 301, the limiting columns 302 penetrate through the through holes, and the peripheral side surfaces of the limiting columns 302 and the inner walls of the through holes are smooth.
The protruding plate 309 is provided with a through hole matching with the rotating column 310, and the rotating column 310 passes through the through hole.
The middle part of the rotating column 310 is fixedly provided with a hexagonal plate 312, and the outer surface of the hexagonal plate 312 is rough.
The connecting block 308 is provided with a threaded hole, and one end of the rotating column 310 with a threaded groove 313 is inserted into the threaded hole.
One end of the limiting column 302, which is far away from the sliding strip-shaped plate 304, is inserted into the limiting hole 204, the diameter of the limiting column 302 is the same as the inner diameter of the limiting hole 204, and the peripheral side surface of the limiting column 302 and the inner wall of the limiting hole 204 are smooth.
The working principle is as follows: the utility model discloses a hold ceramic handle 104, later forward rotate ceramic handle 104, make movable contact 103 and static contact 105 contact, be in the on-state this moment, otherwise, backward rotate ceramic handle 104, make movable contact 103 and static contact 105 break away from, be in the off-state this moment, in addition the utility model discloses a set up arc protection casing 201, because the shape of arc protection casing 201 is the arc, consequently when rotating ceramic handle 104, movable contact 103 will be in the inside of arc protection casing 201 always, can not expose outside, thereby the security of the utility model is greatly improved, in addition when needing to dismantle arc protection casing 201, when maintaining the inside of tool setting switch subassembly 1, rotate hexagonal plate 312 this moment, make two connection blocks 308 keep away from each other, the one end of spacing post 302 will break away from the inside of spacing hole 204 this moment, later can dismantle arc protection casing 201, the interior of the knife switch assembly 1 is convenient to maintain.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The knife switch with the electrical one-time safety is characterized by comprising a knife switch component (1), wherein a protective component (2) is arranged above the knife switch component (1), and the protective component (2) is limited through a limiting component (3);
the knife switch component (1) comprises a ceramic base (101), the middle part of the upper surface of the ceramic base (101) is rotatably connected with a moving contact (103) through a connecting piece (102), one end, far away from the connecting piece (102), of the moving contact (103) is fixedly provided with a ceramic handle (104), one end of the upper surface of the ceramic base (101) is fixedly provided with a static contact (105) matched with the moving contact (103), and the upper surface of the ceramic base (101) is provided with a 'return' groove (106);
the protection assembly (2) comprises an arc-shaped protection cover (201), the bottom end of the arc-shaped protection cover (201) is inserted into the 'return' -shaped groove (106), a plurality of arc-shaped grooves (202) matched with the moving contact (103) are formed in the arc-shaped protection cover (201), two side faces of the arc-shaped protection cover (201) are fixedly provided with a side plate (203), and one surface of the side plate (203) is provided with two limiting holes (204);
the limiting component (3) comprises two fixed strip-shaped plates (301), the fixed strip-shaped plates (301) are fixedly mounted on the upper surface of the ceramic base (101), two limiting columns (302) penetrate through the fixed strip-shaped plates (301), a retaining ring (303) is fixedly sleeved at the middle parts of the limiting columns (302), a sliding strip-shaped plate (304) is fixedly mounted at one end of each limiting column (302), the retaining ring (303) and the sliding strip-shaped plate (304) are located on two sides of the fixed strip-shaped plates (301), a bottom plate (305) is fixedly mounted on the lower surface of the sliding strip-shaped plate (304), a connecting plate (306) is fixedly mounted on one surface of the bottom plate (305), a transverse plate (307) is fixedly mounted at one end of the connecting plate (306) far away from the bottom plate (305), a connecting block body (308) is fixedly mounted at one end of the transverse plate (307) far away from the connecting plate (306), spacing subassembly (3) still include two flange (309), flange (309) fixed mounting is on ceramic base (101), two the inside of flange (309) is run through and is had one and rotate post (310), the equal fixed mounting in both sides that rotates the week side of post (310) and be located flange (309) has spacing ring (311), screw thread groove (313) have all been seted up to the both ends week side of rotating post (310), rotate one end through connection block (308) that post (310) has screw thread groove (313).
2. The knife switch with high electrical one-time safety as claimed in claim 1, wherein the fixed strip-shaped plate (301) is further provided with two through holes matching with the limiting posts (302), the limiting posts (302) pass through the through holes, and the peripheral side surfaces of the limiting posts (302) and the inner walls of the through holes are smooth.
3. The knife switch of claim 1, wherein the protruding plate (309) has a through hole matching with the rotating post (310), and the rotating post (310) passes through the through hole.
4. An electric knife switch with one-time safety as claimed in claim 1, characterized in that a hexagonal plate (312) is fixedly installed at the middle part of the rotating column (310), and the outer surface of the hexagonal plate (312) is rough.
5. The knife switch of claim 1, wherein the connecting block (308) is provided with a threaded hole, and the end of the rotating column (310) with the threaded groove (313) is inserted into the threaded hole.
6. The knife switch with high electrical one-time safety as claimed in claim 1, wherein one end of the limiting column (302) far away from the sliding strip-shaped plate (304) is inserted into the limiting hole (204), the diameter of the limiting column (302) is the same as the inner diameter of the limiting hole (204), and the peripheral side surface of the limiting column (302) and the inner wall of the limiting hole (204) are smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120385240.3U CN214068618U (en) | 2021-02-20 | 2021-02-20 | Electric knife switch with high one-time safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120385240.3U CN214068618U (en) | 2021-02-20 | 2021-02-20 | Electric knife switch with high one-time safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214068618U true CN214068618U (en) | 2021-08-27 |
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ID=77394181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120385240.3U Active CN214068618U (en) | 2021-02-20 | 2021-02-20 | Electric knife switch with high one-time safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214068618U (en) |
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2021
- 2021-02-20 CN CN202120385240.3U patent/CN214068618U/en active Active
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