CN220873472U - Outdoor low-voltage isolating switch with stable contact - Google Patents
Outdoor low-voltage isolating switch with stable contact Download PDFInfo
- Publication number
- CN220873472U CN220873472U CN202322361754.7U CN202322361754U CN220873472U CN 220873472 U CN220873472 U CN 220873472U CN 202322361754 U CN202322361754 U CN 202322361754U CN 220873472 U CN220873472 U CN 220873472U
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- seat
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- base
- screw rod
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- 239000012212 insulator Substances 0.000 claims abstract description 29
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an outdoor low-voltage isolating switch with stable contact, which comprises a base, wherein symmetrically distributed insulators are arranged on the base, a static contact seat is arranged on one of the insulators, a movable contact seat is arranged on the other insulator, a knife switch is arranged on the static contact seat, and one end, far away from the static contact seat, of the knife switch is connected with the movable contact seat; the movable contact seat is provided with a connecting clamping seat, the movable contact seat, the knife switch and the connecting clamping seat are connected through a screw rod and a nut, and a clamping head connected with the screw rod is clamped in the connecting clamping seat.
Description
Technical Field
The utility model belongs to the technical field of isolating switches, and particularly relates to an outdoor low-voltage isolating switch with a stable contact.
Background
The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function, and when the isolating switch is in a split position, an insulating distance and an obvious breaking mark which meet the specified requirements are arranged between contacts; and when the switch is in the closed position, the switch device can bear the current under the normal loop condition and the current under the abnormal condition in the specified time.
When the existing outdoor low-voltage isolating switch is switched on, the switch blade and the contact are locked through the contact spring and the screw rod, but after the switch blade is used for a long time, looseness occurs between the contact spring and the nut on the screw rod, so that the connection between the switch blade and the contact is unstable, the outdoor low-voltage isolating switch cannot work normally, and therefore the outdoor low-voltage isolating switch with stable contact is provided.
Disclosure of utility model
The utility model aims to provide an outdoor low-voltage isolating switch with stable contact, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the outdoor low-voltage isolating switch with the stable contact comprises a base, wherein symmetrically distributed insulators are arranged on the base, a static contact seat is arranged on one of the insulators, a movable contact seat is arranged on the other insulator, a rotatable switch blade is arranged on the static contact seat, and one end, far away from the static contact seat, of the switch blade is connected with the movable contact seat;
The movable contact seat is provided with a connecting clamping seat, the movable contact seat, the switch blade and the connecting clamping seat are connected through a screw rod and a nut, and a clamping head connected with the screw rod is clamped in the connecting clamping seat.
Preferably, a contact spring is sleeved between the knife switch and the nut on the screw rod, and spring cover seats sleeved on the screw rod are arranged at two ends of the contact spring.
Preferably, the static contact seat is provided with symmetrically distributed connecting pieces, and the connecting pieces are connected with the switch blade through the screw rod, the nut and the contact spring.
Preferably, the static contact seat and the movable contact seat are both provided with cable joint pieces.
Preferably, the chuck is of an L-shaped structure, and a threaded hole matched with the screw rod is formed in the chuck.
Preferably, the bottom of the insulator is provided with a thread groove, the base is provided with a through hole corresponding to the position of the insulator, the bottom of the base is provided with a thread abutting seat with the insulator, and a thread section of the thread abutting seat passes through the through hole and is in threaded connection with the thread groove.
Preferably, the base is provided with waist-shaped adjusting holes distributed at equal intervals, and the base is arranged on the outdoor electric rack through the waist-shaped adjusting holes.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model is provided with the connecting clamping seat, the clamping head, the threaded hole, the screw rod, the nut and the contact spring, when the outdoor low-voltage isolating switch is closed, the clamping head is clamped in the connecting clamping seat, the knife switch is contacted with the movable contact seat and the connecting clamping seat, then the screw rod is transversely arranged among the knife switch, the movable contact seat, the connecting clamping seat and the clamping head, then the contact spring is sleeved on the screw rod through the spring cover seat, the nut is used for screwing in the screw rod and compressing the contact spring, so that the knife switch, the movable contact seat and the connecting clamping seat are locked together, and meanwhile, the clamping head is clamped in the connecting clamping seat, the knife switch and the movable contact seat can be firmly connected, and the knife switch cannot fall off from the movable contact seat when the outdoor low-voltage isolating switch is used for a long time, so that the connection stability of the contacts of the outdoor low-voltage isolating switch is improved, and the normal use of the outdoor low-voltage isolating switch is ensured;
2. the utility model is provided with the thread groove, the through hole and the thread abutting seat, when the base and the insulator are installed, the thread groove at the bottom of the insulator is aligned with the through hole on the base, the thread section of the thread abutting seat passes through the through hole to be in threaded connection with the thread groove and screwed, thereby being convenient for the assembly and use of the insulator and the base and improving the assembly efficiency of the outdoor low-voltage isolating switch.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic overall perspective view of the present utility model;
FIG. 3 is a schematic view of a partial perspective structure of the present utility model;
FIG. 4 is a schematic perspective view of a chuck according to the present utility model;
fig. 5 is a schematic bottom perspective view of an insulator according to the present utility model;
FIG. 6 is a schematic perspective view of a base of the present utility model;
fig. 7 is a schematic perspective view of a threaded abutment according to the present utility model.
In the figure: 1. a base; 101. a through hole; 2. an insulator; 201. a thread groove; 3. a static contact seat; 4. a movable contact seat; 5. a knife switch; 6. the connecting clamping seat; 7. a screw; 8. a nut; 9. a chuck; 901. a threaded hole; 10. a contact spring; 11. a spring cover seat; 12. a connecting sheet; 13. a cable connector member; 14. a threaded abutment seat; 15. waist-shaped adjusting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the outdoor low-voltage isolating switch with stable contact provided by the utility model comprises a base 1, wherein waist-shaped adjusting holes 15 which are distributed at equal intervals are formed in the base 1, the base 1 is arranged on an outdoor electric frame through the waist-shaped adjusting holes 15, the outdoor low-voltage isolating switch is convenient to install, symmetrically distributed insulators 2 are arranged on the base 1, a fixed contact seat 3 is arranged on one insulator 2, a movable contact seat 4 is arranged on the other insulator 2, cable connector pieces 13 are arranged on the fixed contact seat 3 and the movable contact seat 4, rotatable switch blades 5 are arranged on the fixed contact seat 3, symmetrically distributed connecting pieces 12 are arranged on the fixed contact seat 3, the connecting pieces 12 are connected with the switch blades 5 through screws 7, nuts 8 and contact springs 10, and one end, far away from the fixed contact seat 3, of the switch blades 5 is connected with the movable contact seat 4;
Be provided with on the movable contact seat 4 and connect cassette 6, be connected through screw rod 7 and nut 8 between movable contact seat 4, plug-in strip 5 and the connection cassette 6, contact spring 10 has been cup jointed between plug-in strip 5 and nut 8 on the screw rod 7, contact spring 10's both ends all are provided with the spring housing seat 11 of cup jointing on screw rod 7, the joint has the dop 9 of being connected with screw rod 7 in the connection cassette 6, dop 9 is L shape structure, and offered the screw hole 901 with screw rod 7 looks adaptation on the dop 9.
The utility model is provided with a connecting clamping seat 6, a clamping head 9, a threaded hole 901, a screw rod 7, a nut 8 and a contact spring 10, when the outdoor low-voltage isolating switch is switched on, the clamping head 9 is clamped in the connecting clamping seat 6, the knife switch 5 is contacted with the moving contact seat 4 and the connecting clamping seat 6, then the screw rod 7 is transversely arranged between the knife switch 5, the moving contact seat 4 and the connecting clamping seat 6 and the clamping head 9, then the contact spring 10 is sleeved on the screw rod 7 through a spring cover seat 11, the nut 8 is screwed into the screw rod 7 and compresses the contact spring 10, so that the knife switch 5, the moving contact seat 4 and the connecting clamping seat 6 are locked together, and meanwhile, the clamping head 9 is clamped in the connecting clamping seat 6, so that the knife switch 5 and the moving contact seat 4 are firmly connected, and the knife switch 5 cannot fall off from the moving contact seat 4 when the outdoor low-voltage isolating switch is used for a long time, so that the contact connection stability of the outdoor low-voltage isolating switch is ensured.
In this embodiment, as shown in fig. 1, 5, 6 and 7, a threaded groove 201 is formed at the bottom of the insulator 2, a through hole 101 is formed on the base 1 at a position corresponding to the insulator 2, a threaded abutment seat 14 is disposed at the bottom of the base 1 and connected with the insulator 2 by threading a threaded section of the threaded abutment seat 14 through the through hole 101 and the threaded groove 201;
The utility model is provided with the thread groove 201, the through hole 101 and the thread abutting seat 14, when the base 1 and the insulator 2 are installed, the thread groove 201 at the bottom of the insulator 2 is aligned with the through hole 101 on the base 1, and the thread section of the thread abutting seat 14 passes through the through hole 101 to be in threaded connection with the thread groove 201 and screwed tightly, so that the insulator 2 and the base 1 are conveniently assembled and used, and the assembly efficiency of the outdoor low-voltage isolating switch is improved.
In summary, the use method of the outdoor low-voltage isolating switch with stable contact is provided in this embodiment: when outdoor low voltage isolator closes a floodgate, dop 9 joint is in connecting cassette 6 this moment, with plug 5 and moving contact seat 4, connect cassette 6 contact, then with screw rod 7 cross between plug 5, moving contact seat 4, connect cassette 6 and dop 9, then cup joint contact spring 10 on screw rod 7 through spring housing 11, and use nut 8 screw in screw rod 7 and compression contact spring 10, make plug 5, moving contact seat 4 and connect cassette 6 locking together, dop 9 card is in connecting cassette 6 simultaneously, can be with plug 5 and moving contact seat 4 firm connection, and when using for a long time, also can not lead to plug 5 from falling on the moving contact seat 4, improve outdoor low voltage isolator's contact connection stability.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The outdoor low-voltage isolating switch with stable contact is characterized by comprising a base (1), wherein symmetrically distributed insulators (2) are arranged on the base (1), a fixed contact seat (3) is arranged on one insulator (2), a movable contact seat (4) is arranged on the other insulator (2), a rotatable knife switch (5) is arranged on the fixed contact seat (3), and one end, far away from the fixed contact seat (3), of the knife switch (5) is connected with the movable contact seat (4);
The movable contact seat (4) is provided with a connecting clamping seat (6), the movable contact seat (4) is connected with the connecting clamping seat (6) through a screw rod (7) and a nut (8), and a clamping head (9) connected with the screw rod (7) is clamped in the connecting clamping seat (6).
2. An outdoor low-voltage disconnector with stable contact according to claim 1, characterized in that: the screw rod (7) is positioned between the knife switch (5) and the nut (8) in a sleeved mode, contact springs (10) are arranged at two ends of each contact spring (10), and spring cover seats (11) sleeved on the screw rod (7) are arranged at two ends of each contact spring.
3. An outdoor low-voltage disconnector with stable contact according to claim 2, characterized in that: the static contact seat (3) is provided with symmetrically distributed connecting pieces (12), and the connecting pieces (12) are connected with the switch blade (5) through the screw rod (7), the nut (8) and the contact spring (10).
4. An outdoor low-voltage disconnector with stable contact according to claim 1, characterized in that: and cable connector pieces (13) are arranged on the static contact seat (3) and the movable contact seat (4).
5. An outdoor low-voltage disconnector with stable contact according to claim 1, characterized in that: the clamping head (9) is of an L-shaped structure, and a threaded hole (901) matched with the screw (7) is formed in the clamping head (9).
6. An outdoor low-voltage disconnector with stable contact according to claim 1, characterized in that: the bottom of insulator (2) has seted up thread groove (201), through-hole (101) have been seted up to the position department that corresponds on base (1) insulator (2), the bottom of base (1) be provided with screw thread butt seat (14) of insulator (2), the screw thread section of screw thread butt seat (14) pass through-hole (101) with thread groove (201) threaded connection.
7. An outdoor low-voltage disconnector with stable contact according to claim 1, characterized in that: waist-shaped adjusting holes (15) distributed at equal intervals are formed in the base (1), and the base (1) is installed on an outdoor electric rack through the waist-shaped adjusting holes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322361754.7U CN220873472U (en) | 2023-08-31 | 2023-08-31 | Outdoor low-voltage isolating switch with stable contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322361754.7U CN220873472U (en) | 2023-08-31 | 2023-08-31 | Outdoor low-voltage isolating switch with stable contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873472U true CN220873472U (en) | 2024-04-30 |
Family
ID=90812470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322361754.7U Active CN220873472U (en) | 2023-08-31 | 2023-08-31 | Outdoor low-voltage isolating switch with stable contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873472U (en) |
-
2023
- 2023-08-31 CN CN202322361754.7U patent/CN220873472U/en active Active
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