CN217719446U - Self-locking mechanism for high-voltage vacuum switch - Google Patents
Self-locking mechanism for high-voltage vacuum switch Download PDFInfo
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- CN217719446U CN217719446U CN202221482664.2U CN202221482664U CN217719446U CN 217719446 U CN217719446 U CN 217719446U CN 202221482664 U CN202221482664 U CN 202221482664U CN 217719446 U CN217719446 U CN 217719446U
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a self-locking mechanism for high-pressure vacuum switch, including casing and the combined floodgate pivot of setting on outer wall of the housing, the one end fixedly connected with combined floodgate operating handle of casing is kept away from in the combined floodgate pivot, it has spacing dish to fix the cup joint in the combined floodgate pivot, it has a plurality of wedge grooves to be the annular distribution on the outer wall of spacing dish, be equipped with the installation piece directly over the spacing dish, the both sides of installation piece all are equipped with fixed establishment, be equipped with the spout in the installation piece, sliding connection has the slider on the inner wall of spout, the lower extreme of slider is equipped with locking mechanical system, the upper end fixedly connected with pull rod of slider, the upper end slip of pull rod runs through installation piece and fixedly connected with pull ring, be equipped with elastic support mechanism in the slider. The utility model discloses a stop gear's setting has ensured that the circuit breaker is in auto-lock state when the switching-on position, effectively prevents unexpected mistake and touches the potential safety hazard of combined floodgate operating handle and production.
Description
Technical Field
The utility model relates to a vacuum switch technical field especially relates to a self-locking mechanism for high-pressure vacuum switch.
Background
The high-voltage vacuum switch refers to a vacuum circuit breaker, and is named because arc extinguishing media and insulating media of a contact gap after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks.
In order to be used more safely and reliably, the vacuum circuit breaker is generally provided with a manual closing mechanism, a user drives a closing rotating shaft to operate through a closing operation handle, however, the closing operation handle generally does not have a self-locking mechanism, and a certain potential safety hazard can be generated due to misoperation or mistaken touch of human factors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving vacuum circuit breaker and generally dispose manual combined floodgate mechanism, the user drives the pivot of closing a floodgate through closing a floodgate operating handle and carries out the operation, however, closing a floodgate operating handle generally does not have self-locking mechanism, is touched by the maloperation or the mistake of human factor, will produce certain potential safety hazard, and the self-locking mechanism for high-pressure vacuum switch who provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a self-locking mechanism for high pressure vacuum switch, includes casing and the combined floodgate pivot of setting on the casing outer wall, the one end fixedly connected with combined floodgate operating handle of casing is kept away from in the combined floodgate pivot, the fixed cover has spacing dish in the combined floodgate pivot, it has a plurality of wedge grooves to be the annular distribution on the outer wall of spacing dish, be equipped with the installation piece directly over the spacing dish, the both sides of installation piece all are equipped with fixed establishment, be equipped with the spout in the installation piece, sliding connection has the slider on the inner wall of spout, the lower extreme of slider is equipped with locking mechanical system, the upper end fixedly connected with pull rod of slider, the upper end slip of pull rod runs through installation piece and fixedly connected with pull ring, be equipped with elastic support mechanism in the slider.
Preferably, the elastic support mechanism comprises two sliding rods inserted in the sliding block in a sliding manner, two ends of each sliding rod are fixedly connected with the inner wall of the corresponding sliding groove, a spring is sleeved on each sliding rod, and two ends of each spring respectively abut against the upper end of the corresponding sliding block and the inner top of the corresponding sliding groove.
Preferably, both ends of the sliding block are provided with grooves, balls are rotationally connected in the grooves, and the balls partially penetrate through the grooves.
Preferably, the locking mechanism comprises a wedge-shaped limiting block fixed at the lower end of the sliding block, and the lower end of the wedge-shaped limiting block penetrates through the mounting block in a sliding mode and extends into the wedge-shaped groove.
Preferably, the fixing mechanism comprises fixing blocks fixed on two sides of the mounting block, a locking screw is arranged on one side, away from the shell, of each fixing block, and the fixing blocks are fixed with the shell through the locking screws.
Preferably, the outer wall of the limiting disc is fixedly connected with a fixing ring, and the fixing ring is fixedly sleeved on the closing rotating shaft.
Has the advantages that:
1. when a user holds a switching-on operating handle to drive a switching-on rotating shaft to perform switching-on operation, the switching-on rotating shaft can drive a limiting disc to rotate, the limiting disc abuts against a wedge-shaped surface of a wedge-shaped limiting block when rotating, so that the wedge-shaped limiting block is pushed to move upwards and be separated from a wedge-shaped groove, a sliding block can be driven to move upwards when moving, a spring is compressed through the sliding block, after the switching-on rotating shaft stops rotating, the sliding block is pushed to move downwards through the elasticity of the spring to reset, the wedge-shaped limiting block is driven to move into the wedge-shaped groove through the sliding block, so that the limiting disc is locked, the limiting disc is prevented from loosening, and the switching-on rotating shaft is locked through locking the limiting disc;
2. when the user held combined floodgate operating handle and driven the combined floodgate pivot and carry out the switching-off operation, need stimulate the pull ring earlier and drive the pull rod rebound, drive slider and wedge stopper rebound through the pull rod, break away from the wedge inslot, can carry out the switching-off operation, the utility model discloses a stop gear's setting has ensured that the circuit breaker is in self-locking state when the switching-on position, effectively prevents the accident potential safety hazard of mistake touching combined floodgate operating handle and production.
Drawings
Fig. 1 is a schematic structural view of a self-locking mechanism for a high-voltage vacuum switch according to the present invention;
fig. 2 is a schematic structural view of a position a of the self-locking mechanism for the high-voltage vacuum switch provided by the present invention;
fig. 3 is a schematic view of a top view structure of a position limiting plate of a self-locking mechanism for a high-voltage vacuum switch.
In the figure: the device comprises a shell 1, a limiting disc 2, a closing rotating shaft 3, a closing operating handle 4, a mounting block 5, a pull ring 6, a pull rod 7, a wedge-shaped limiting block 8, a sliding block 9, a fixing plate 10, a spring 11, a sliding rod 12, a ball 13 and a fixing ring 14.
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.
Referring to fig. 1-3, a self-locking mechanism for a high-voltage vacuum switch comprises a shell 1 and a switching-on rotating shaft 3 arranged on the outer wall of the shell 1, wherein one end, far away from the shell 1, of the switching-on rotating shaft 3 is fixedly connected with a switching-on operating handle 4 for a user to rotate the switching-on rotating shaft 3, a limiting disc 2 is fixedly sleeved on the switching-on rotating shaft 3 and used for locking the switching-on rotating shaft 3, a fixing ring 14 is fixedly connected on the outer wall of the limiting disc 2 and used for improving the stability between the limiting disc 2 and the switching-on rotating shaft 3, the fixing ring 14 is fixedly sleeved on the switching-on rotating shaft 3, and a plurality of wedge-shaped grooves are annularly distributed on the outer wall of the limiting disc 2;
in the embodiment, an installation block 5 is arranged right above the limiting disc 2 and used for installing a sliding block 9, fixing mechanisms are arranged on two sides of the installation block 5, each fixing mechanism comprises a fixing block 10 fixed on two sides of the installation block 5 and used for fixing the installation block 5 in a matched mode through a locking screw, a locking screw is arranged on one side, away from the shell 1, of each fixing block 10, and the fixing blocks 10 are fixed with the shell 1 through the locking screws;
in the embodiment, a chute is arranged in the mounting block 5, a sliding block 9 is connected to the inner wall of the chute in a sliding manner and used for driving the wedge-shaped limiting block 8 to move and reset, grooves are formed in two ends of the sliding block 9, a ball 13 is connected to the grooves in a rotating manner and used for reducing resistance of the sliding block 9 during movement, part of the ball 13 penetrates through the grooves, and a locking mechanism is arranged at the lower end of the sliding block 9;
in this embodiment, the locking mechanism includes a wedge-shaped stopper 8 fixed at the lower end of a slider 9 for locking the stopper disc 2, the lower end of the wedge-shaped stopper 8 slidably penetrates through the mounting block 5 and extends into the wedge-shaped groove, the upper end of the slider 9 is fixedly connected with a pull rod 7 for driving the slider 9 to move upward, and the upper end of the pull rod 7 slidably penetrates through the mounting block 5 and is fixedly connected with a pull ring 6 for facilitating a user to pull the pull rod 7;
in this embodiment, an elastic support mechanism is arranged in the slider 9, the elastic support mechanism includes two sliding rods 12 slidably inserted in the slider 9 for improving the stability of the slider 9 during movement, two ends of each sliding rod 12 are respectively fixedly connected with the inner wall of the sliding chute, a spring 11 is sleeved on each sliding rod 12 for applying a downward pushing force to the slider 9 to drive the slider 9 to move downwards for resetting, and two ends of each spring 11 are respectively abutted against the upper end of the slider 9 and the inner top of the sliding chute;
in the embodiment, when a user holds the switching-on operating handle 4 to drive the switching-on rotating shaft 3 to perform switching-on operation, the switching-on rotating shaft 3 can drive the limiting disc 2 to rotate, the limiting disc 2 abuts against a wedge-shaped surface of the wedge-shaped limiting block 8 when rotating, so that the wedge-shaped limiting block 8 is pushed to move upwards and is separated from the wedge-shaped groove, the wedge-shaped limiting block 8 can drive the sliding block 9 to move upwards when moving, the spring 11 is compressed through the sliding block 9, after the switching-on rotating shaft 3 stops rotating, the sliding block 9 is pushed to move downwards through the elasticity of the spring 11 to reset, the wedge-shaped limiting block 8 is driven to move into the wedge-shaped groove through the sliding block 9, so that the limiting disc 2 is locked, the limiting disc 2 is prevented from loosening, and the switching-on rotating shaft 3 is locked through locking of the limiting disc 2; when the user held closing operation handle 4 and driven closing pivot 3 and carry out the switching-off operation, need stimulate pull ring 6 earlier and drive pull rod 7 rebound, drive slider 9 and wedge stopper 8 rebound, break away from the wedge inslot through pull rod 7, can carry out the switching-off operation, the utility model discloses a stop gear's setting has ensured that the circuit breaker is in auto-lock state when the switching-on position, effectively prevents unexpected mistake and touches closing operation handle and the potential safety hazard that produces.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a self-locking mechanism for high-pressure vacuum switch, includes casing (1) and switching-on pivot (3) of setting on casing (1) outer wall, its characterized in that: the utility model discloses a closing device, including casing (1), closing pivot (3), the one end fixedly connected with switching-on operating handle (4) of casing (1) are kept away from in closing pivot (3), it has spacing dish (2) to fix the cover on closing pivot (3), it has a plurality of wedge grooves to be the annular distribution on the outer wall of spacing dish (2), be equipped with installation piece (5) directly over spacing dish (2), the both sides of installation piece (5) all are equipped with fixed establishment, be equipped with the spout in installation piece (5), sliding connection has slider (9) on the inner wall of spout, the lower extreme of slider (9) is equipped with locking mechanical system, the upper end fixedly connected with pull rod (7) of slider (9), the upper end slip of pull rod (7) runs through installation piece (5) and fixedly connected with pull ring (6), be equipped with elastic support mechanism in slider (9).
2. The self-locking mechanism for the high-voltage vacuum switch according to claim 1, wherein: the elastic supporting mechanism comprises two sliding rods (12) which are inserted in the sliding blocks (9) in a sliding mode, the two ends of each sliding rod (12) are fixedly connected with the inner wall of each sliding groove, a spring (11) is sleeved on each sliding rod (12), and the two ends of each spring (11) are abutted to the upper end of each sliding block (9) and the inner top of each sliding groove.
3. The self-locking mechanism for the high-voltage vacuum switch according to claim 1, characterized in that: the two ends of the sliding block (9) are provided with grooves, balls (13) are connected in the grooves in a rotating mode, and the balls (13) partially penetrate through the grooves.
4. The self-locking mechanism for the high-voltage vacuum switch according to claim 1, wherein: the locking mechanism comprises a wedge-shaped limiting block (8) fixed to the lower end of the sliding block (9), and the lower end of the wedge-shaped limiting block (8) penetrates through the mounting block (5) in a sliding mode and extends into the wedge-shaped groove.
5. The self-locking mechanism for the high-voltage vacuum switch according to claim 1, characterized in that: the fixing mechanism comprises fixing blocks (10) fixed on two sides of the mounting block (5), locking screws are arranged on one sides, away from the shell (1), of the fixing blocks (10), and the fixing blocks (10) are fixed with the shell (1) through the locking screws.
6. The self-locking mechanism for the high-voltage vacuum switch according to claim 1, wherein: the outer wall of the limiting disc (2) is fixedly connected with a fixing ring (14), and the fixing ring (14) is fixedly sleeved on the closing rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482664.2U CN217719446U (en) | 2022-06-15 | 2022-06-15 | Self-locking mechanism for high-voltage vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482664.2U CN217719446U (en) | 2022-06-15 | 2022-06-15 | Self-locking mechanism for high-voltage vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217719446U true CN217719446U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221482664.2U Active CN217719446U (en) | 2022-06-15 | 2022-06-15 | Self-locking mechanism for high-voltage vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217719446U (en) |
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2022
- 2022-06-15 CN CN202221482664.2U patent/CN217719446U/en active Active
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