CN211700115U - Novel two-station and three-station load switch of inflatable cabinet - Google Patents
Novel two-station and three-station load switch of inflatable cabinet Download PDFInfo
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- CN211700115U CN211700115U CN202020602609.7U CN202020602609U CN211700115U CN 211700115 U CN211700115 U CN 211700115U CN 202020602609 U CN202020602609 U CN 202020602609U CN 211700115 U CN211700115 U CN 211700115U
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Abstract
The utility model discloses a novel aerify cabinet two, three station load switches, including switch main part, static contact and the cabinet body of aerifing, the inside one side of switch main part is provided with the spout, and the both sides of spout bottom all are provided with the through-hole, the outside one side of switch main part is provided with the cabinet body of aerifing, and the inside intermediate position swing joint of switch main part has the transmission shaft, one side fixedly connected with control lever of transmission shaft, and a plurality of moving contacts of top fixedly connected with of transmission shaft. The utility model discloses an at the card post of a forehead end swing joint of the outside both sides of switch main part, inside sliding clamping groove was gone into to the slip fixture block slip card of switch main part one side, then rotated the connecting rod through the pivot, made the connecting rod can drive the card post and rotate to make the card post can block inside the cutting ferrule, thereby make the switch main part can fix spacing in one side of the inflatable cabinet body, dismantle on the same principle, thereby made things convenient for dismantlement and installation when switch main part troubleshooting.
Description
Technical Field
The utility model relates to a load switch technical field specifically is a novel aerify two, three station load switches of cabinet.
Background
Load switch obtains extensive application in high tension switchgear, plays the isolation in the circuit, all uses at power plant, distribution station, and load switch's characteristics lie in that can provide an electric clearance when the overhaul of the equipments, are the personal safety that an obvious disconnection point is used for guaranteeing maintainer moreover, has just used load switch inside aerifing the cabinet, and current aerify cabinet two, three station load switch still have many problems in the use, and specific problem is as follows:
1. the existing two-station load switch and three-station load switch of the inflatable cabinet can not be conveniently disassembled and assembled in the using process, so that the trouble-shooting is inconvenient;
2. in the use process of the existing two-position and three-position load switches of the inflatable cabinet, the operating rod has no locking structure, and faults are easy to occur;
3. the two-station load switch and the three-station load switch of the existing gas-filled cabinet can generate larger heat after the moving contact is connected with a circuit in the use process, and the service life of the load switch is easily influenced by the heat.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel aerify cabinet two, three station load switch to what provide in solving above-mentioned background art can not be convenient dismantles and installs load switch, and the control lever does not have any locking structure, can produce great heat scheduling problem behind the moving contact switch-on circuit.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel aerify cabinet two, three station load switch, includes switch main part, static contact and aerifys the cabinet body, the inside one side of switch main part is provided with the spout, and the both sides of spout bottom all are provided with the through-hole, the inside one side of switch main part is provided with the static contact, and the inside opposite side of switch main part is provided with the ground contact, the outside one side of switch main part is provided with aerifys the cabinet body, and the inside intermediate position swing joint of switch main part has the transmission shaft, the intermediate position of aerifing cabinet body one side is provided with the slip draw-in groove, and aerifys the all fixedly connected with cutting ferrule in both ends of cabinet body one side, one side fixedly connected with control lever of.
Preferably, both sides of the outside of the switch main body are provided with rotating shafts, one side of the outside of the switch main body is fixedly connected with a sliding clamping block, and the connecting rod can rotate through the rotating shafts.
Preferably, the inside swing joint of pivot has the connecting rod, and one side fixedly connected with card post of connecting rod, inside the card sleeve can be blocked to the card post.
Preferably, one side of the inside of the moving contact is fixedly connected with a first contact piece, one side of the fastening nut is provided with a heat dissipation connecting piece, one side of the heat dissipation connecting piece is fixedly connected with a second contact piece, the bottom end of the second contact piece is movably connected with the fastening nut, and the fastening nut can fasten the moving contact.
Preferably, the top end inside the control rod is movably connected with a top rod, the middle position outside the top rod is fixedly connected with a first spring, and the top rod can extrude the first spring.
Preferably, the bottom end of the ejector rod is fixedly connected with an extrusion column, one side of the bottom end of the extrusion column is movably connected with a movable block, and the extrusion column can push the movable block.
Preferably, one side at the top end of the movable block is provided with a groove, the size of the groove is matched with that of the extrusion column, and the extrusion column can be inserted into the groove.
Preferably, one side fixedly connected with second spring of movable block bottom, and one side fixedly connected with of movable block peg graft the post, and the movable block can drive the post removal of pegging graft.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this kind of novel aerify cabinet two, three station load switch, through the card post of a forehead end swing joint in the outside both sides of switch main part, slide the fixture block slip card of switch main part one side and go into inside the slip draw-in groove, then rotate the connecting rod through the pivot, make the connecting rod can drive the card post and rotate, and make the card post can block inside the cutting ferrule, thereby make the switch main part can fix spacing in one side of the cabinet body of aerifing, can dismantle on the same principle, thereby dismantlement and installation when having made things convenient for switch main part troubleshooting.
(2) This kind of novel aerify cabinet two, three station load switch, through the control lever that sets up in the outside one side of switch main part, the control lever slides in the spout and can drives the transmission shaft and rotate, thereby make the movable contact can contact with static contact and ground contact, the pulling ejector pin can make the ejector pin drive the compression leg and remove, and extrude first spring, then the movable block can receive the elasticity of second spring to drive the post-insertion shrink, rotate this moment and rotate the control lever and drive the movable contact and contact with static contact or ground contact after, loosen the ejector pin, then the ejector pin can receive the elasticity of first spring to drive inside the compression leg inserts the recess, then the compression leg can promote the tensile second spring of movable block, and it inserts inside the through-hole to drive the post-insertion, thereby realize the spacing locking to the control lever, avoided control lever in use to take place the fault damage.
(3) This kind of novel aerify cabinet two, three station load switches, through first contact and the second contact that sets up inside the moving contact, divide into first contact and second contact with the moving contact and can increase the surface area behind the moving contact switch-on circuit, thereby reduce the resistance of moving contact, thereby the current-carrying capacity and the bearing strength of effectual increase moving contact, thereby the calorific capacity of effectual reduction moving contact, and heat dissipation connection piece also can reduce the heat that first contact and second contact produced, thereby effectual calorific capacity of having avoided is too big, influence load switch's life.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
fig. 2 is a schematic view of a front view structure of the transmission shaft of the present invention;
fig. 3 is a schematic side view of the switch main body of the present invention;
fig. 4 is a schematic front sectional structural view of the operation rod of the present invention;
fig. 5 is an enlarged schematic structural diagram of a in fig. 4 according to the present invention.
In the figure: 1. a switch main body; 101. sliding the clamping block; 102. clamping the column; 103. a connecting rod; 104. a rotating shaft; 105. a through hole; 106. a chute; 2. static contact; 3. a drive shaft; 4. a moving contact; 401. fastening a nut; 402. a first contact piece; 403. a second contact piece; 404. a heat dissipation connecting sheet; 5. a control lever; 501. a top rod; 502. inserting the column; 503. a first spring; 504. extruding the column; 505. a groove; 506. a movable block; 507. a second spring; 6. an inflatable cabinet body; 601. a sliding clamping groove; 602. a card sleeve; 7. and a ground contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a novel two-station and three-station load switch of an inflatable cabinet comprises a switch main body 1, a static contact 2 and an inflatable cabinet body 6, wherein a sliding groove 106 is formed in one side inside the switch main body 1, through holes 105 are formed in two sides of the bottom end of the sliding groove 106, an operating rod 5 can slide inside the sliding groove 106, and the sliding groove 106 limits the operating rod 5;
two sides of the outer part of the switch main body 1 are both provided with rotating shafts 104, one side of the outer part of the switch main body 1 is fixedly connected with a sliding clamping block 101, the inner part of the rotating shaft 104 is movably connected with a connecting rod 103, one side of the connecting rod 103 is fixedly connected with a clamping column 102, and the clamping column 102 can be clamped into a clamping sleeve 602;
a fixed contact 2 is arranged on one side inside a switch main body 1, a grounding contact 7 is arranged on the other side inside the switch main body 1, an inflatable cabinet body 6 is arranged on one side outside the switch main body 1, a transmission shaft 3 is movably connected to the middle position inside the switch main body 1, a sliding clamping groove 601 is arranged at the middle position on one side of the inflatable cabinet body 6, and clamping sleeves 602 are fixedly connected to two ends on one side of the inflatable cabinet body 6, so that the switch main body 1 can be conveniently detached and installed during fault maintenance;
a control rod 5 is fixedly connected to one side of the transmission shaft 3, a top end inside the control rod 5 is movably connected with a push rod 501, a first spring 503 is fixedly connected to the middle position outside the push rod 501, an extrusion column 504 is fixedly connected to the bottom end of the push rod 501, a movable block 506 is movably connected to one side of the bottom end of the extrusion column 504, a groove 505 is formed in one side of the top end of the movable block 506, the size of the groove 505 is matched with that of the extrusion column 504, a second spring 507 is fixedly connected to one side of the bottom end of the movable block 506, and an insertion column 502 is fixedly connected to one side of the movable block 506, so that the control rod 5 is limited and locked, and the control rod 5 is prevented from;
the top fixedly connected with a plurality of moving contacts 4 of transmission shaft 3, the inside one side fixedly connected with first contact 402 of moving contact 4, and one side of fastening nut 401 is provided with heat dissipation connection piece 404, one side fixedly connected with second contact 403 of heat dissipation connection piece 404, and the bottom swing joint of second contact 403 has fastening nut 401, and effectual calorific capacity of having avoided is too big, influences load switch's life.
The working principle is as follows: when in use, the sliding fixture block 101 at one side of the switch main body 1 is slidably clamped into the sliding fixture groove 601, then the connecting rod 103 is rotated through the rotating shaft 104, so that the connecting rod 103 can drive the clamping column 102 to rotate, and the clamping column 102 can be clamped into the clamping sleeve 602, so that the switch main body 1 can be fixedly limited at one side of the inflatable cabinet body 6, and can be disassembled by the same principle, thereby facilitating the disassembly and assembly when the switch main body 1 is overhauled, the control rod 5 can slide in the sliding groove 106 to drive the transmission shaft 3 to rotate, so that the movable contact 4 can be contacted with the static contact 2 and the grounding contact 7, the ejector rod 501 can be pulled to drive the extrusion column 504 to move and extrude the first spring 503, the movable block 506 can be driven by the elastic force of the second spring 507 to contract the insertion column 502, at this time, the control rod 5 is rotated to drive the movable contact 4 to be contacted with, when the ejector rod 501 is loosened, the ejector rod 501 is driven by the elastic force of the first spring 503 to insert the extrusion column 504 into the groove 505, the extrusion column 504 pushes the movable block 506 to stretch the second spring 507 and drive the insertion column 502 to be inserted into the through hole 105, thereby realizing the limit locking of the control rod 5, avoiding the fault damage of the control rod 5 in use, dividing the movable contact 4 into the first contact piece 402 and the second contact piece 403 to increase the surface area of the movable contact 4 after the circuit is connected, thereby reducing the resistance of the movable contact 4, effectively increasing the current-carrying capacity and the bearing strength of the movable contact 4, effectively reducing the heat productivity of the movable contact 4, and the heat dissipation connecting piece 404 can also reduce the heat generated by the first contact piece 402 and the second contact piece 403, thereby effectively avoiding the overlarge heat productivity and influencing the service life of the load switch.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a novel aerify cabinet two, three station load switch, includes switch main part (1), static contact (2) and aerifys cabinet body (6), its characterized in that: the switch is characterized in that a sliding groove (106) is formed in one side inside the switch main body (1), through holes (105) are formed in two sides of the bottom end of the sliding groove (106), a fixed contact (2) is arranged on one side inside the switch main body (1), a grounding contact (7) is arranged on the other side inside the switch main body (1), an inflating cabinet body (6) is arranged on one side outside the switch main body (1), a transmission shaft (3) is movably connected to the middle position inside the switch main body (1), a sliding clamping groove (601) is formed in the middle position on one side of the inflating cabinet body (6), clamping sleeves (602) are fixedly connected to two ends of one side of the inflating cabinet body (6), a control rod (5) is fixedly connected to one side of the transmission shaft (3), and a plurality of moving contacts (4) are fixedly connected.
2. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 1, wherein: the switch is characterized in that rotating shafts (104) are arranged on two sides of the outer portion of the switch main body (1), and a sliding clamping block (101) is fixedly connected to one side of the outer portion of the switch main body (1).
3. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 2, wherein: the inside swing joint of pivot (104) has connecting rod (103), and one side fixedly connected with card post (102) of connecting rod (103).
4. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 1, wherein: one side fixedly connected with first contact (402) of moving contact (4) inside, and one side of fastening nut (401) is provided with heat dissipation connection piece (404), one side fixedly connected with second contact (403) of heat dissipation connection piece (404), and the bottom swing joint of second contact (403) has fastening nut (401).
5. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 1, wherein: the top end of the interior of the control rod (5) is movably connected with a push rod (501), and a first spring (503) is fixedly connected to the middle position of the exterior of the push rod (501).
6. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 5, wherein: the bottom end of the ejector rod (501) is fixedly connected with an extrusion column (504), and one side of the bottom end of the extrusion column (504) is movably connected with a movable block (506).
7. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 6, wherein: one side of the top end of the movable block (506) is provided with a groove (505), and the size of the groove (505) is matched with that of the extrusion column (504).
8. The novel two-position and three-position load switch of the inflatable cabinet as claimed in claim 6, wherein: one side of the bottom end of the movable block (506) is fixedly connected with a second spring (507), and one side of the movable block (506) is fixedly connected with an insertion column (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602609.7U CN211700115U (en) | 2020-04-21 | 2020-04-21 | Novel two-station and three-station load switch of inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602609.7U CN211700115U (en) | 2020-04-21 | 2020-04-21 | Novel two-station and three-station load switch of inflatable cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211700115U true CN211700115U (en) | 2020-10-16 |
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ID=72783134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020602609.7U Active CN211700115U (en) | 2020-04-21 | 2020-04-21 | Novel two-station and three-station load switch of inflatable cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211700115U (en) |
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2020
- 2020-04-21 CN CN202020602609.7U patent/CN211700115U/en active Active
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Address after: No.208, wei12 Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee after: Qiyue Electric Appliance Group Co.,Ltd. Address before: No.208, wei12 Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee before: KEEYA POWER EQUIPMENT Co.,Ltd. |