CN201846002U - Valve self-locking device for switch cabinet - Google Patents
Valve self-locking device for switch cabinet Download PDFInfo
- Publication number
- CN201846002U CN201846002U CN2010205436993U CN201020543699U CN201846002U CN 201846002 U CN201846002 U CN 201846002U CN 2010205436993 U CN2010205436993 U CN 2010205436993U CN 201020543699 U CN201020543699 U CN 201020543699U CN 201846002 U CN201846002 U CN 201846002U
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- lever
- slide plate
- locking device
- sliding plate
- connecting lever
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Abstract
The utility model discloses a valve self-locking device for a switch cabinet, which mainly solves the problems of complex structure and poor universality of the current valve self-locking device for the switch cabinet. The valve self-locking device for the switch cabinet is characterized in that a sliding plate bracket (5) is arranged on a base (1); a sliding plate (11) and a lever (12) are arranged on the sliding plate bracket (5); a handcart controls the sliding plate (11) to slide by the lever (12); clamping platforms (4) with opposite rotating directions are respectively arranged on an upper crank arm (2) and a lower crank arm (3); and the two side surfaces of the end part of the sliding plate (11) respectively correspond to the clamping platforms (4) when the sliding plate (11) stretches out. The valve self-locking device for the switch cabinet has the characteristics of simple structure, low cost, high flexibility, good reliability, strong universality and small occupied area.
Description
Technical field
The utility model relates to a kind of safety device of switch cubicle, belongs to a kind of switch cubicle valve self-locking device.
Background technology
Switch cubicle is divided into handcart-type and fixed by the circuit breaker mounting means, wherein the circuit breaker in the handcart switch cabinet is mounted on the handcart that can extract out, fixed contact is installed in the switch cubicle and with high-tension line and is connected, utilize the propelling of circuit breaker cart or pull out and realize being connected or disconnection of moving contact and fixed contact, promptly realize the connection and the disconnection of circuit.Because fixed contact is normal live end, jeopardize personal safety in order to prevent the maintenance personal from when overhauling circuit, touching fixed contact because of carelessness, at the upper and lower valve of fixed contact dead ahead setting with the circuit breaker cart interlock, be used for blocking two groups of charged fixed contacts, carry out security protection; Upper and lower valve is by transmission mechanism and handcart interlock, and upper and lower valve was opened when handcart advanced, and upper and lower valve was closed when handcart was pulled out.When upper and lower valve is closed, it is opened, generally be provided with upper and lower valve self-locking device in order to prevent misoperation, existing switch cubicle valve self-locking device complex structure, the cost height, different circuit breakers may not be general, and switch cubicle need increase installing hole; In addition, it is big to take up room, and structure is not compact.
The utility model content
In order to overcome existing switch cubicle valve self-locking device complex structure and the not strong deficiency of versatility, the utility model provides a kind of switch cubicle valve self-locking device, and that this switch cubicle valve self-locking device has is simple in structure, cost is low, flexibility and reliability, highly versatile and the little characteristics that take up room.
The technical solution of the utility model is: this switch cubicle valve self-locking device comprises pedestal and upper and lower connecting lever, upper and lower connecting lever is coaxial to be hinged on the pedestal, pedestal is provided with sliding plate support, slide plate and lever are installed on the described sliding plate support, handcart is controlled slide plate slides by lever, upper and lower connecting lever is provided with the opposite Ka Tai of rotation direction, and the two sides, end of slide plate were corresponding with described card platform respectively when described slide plate stretched out.
Described sliding plate support is made up of connecting plate, riser and 2 side plates, and 2 side plates are provided with corresponding strip through-hole, and riser is provided with pilot hole, and described strip through-hole is built-in with slide plate; Be hinged with lever on the described riser, the slideway that is provided with on the long arm end of lever and the handcart is corresponding, the galianconism end of lever is provided with bar hole, be provided with extension spring between the galianconism end of lever and the sliding plate support, be fixed with bearing pin on the slide plate, described bearing pin passes pilot hole on the riser and the bar hole on the lever.
The wide end of described slide plate one end is narrow, and the wide end of slide plate is corresponding with described card platform.
The beneficial effects of the utility model are: owing to take such scheme, upper and lower connecting lever is connected with upper and lower valve by transmission mechanism respectively, and upper and lower connecting lever rotates upper and lower valve is opened or closed.When pulling out handcart, upper and lower connecting lever rotates, upper and lower valve is closed, at this moment, lever breaks away from the spacing of handcart, lever makes slide plate connecting lever direction slip up and down, when slide plate reaches the limit of the position, the two sides of slide plate end are corresponding with the card platform on the upper and lower connecting lever respectively, slide plate can not rotate upper and lower connecting lever to the rotation direction of opening upper and lower valve, has realized the self-locking to upper and lower valve, prevents to open because of misoperation makes upper and lower valve, safe and reliable, have simple in structure, cost is low, flexibility and reliability, highly versatile and the little characteristics that take up room.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is structural representations of the utility model other direction.
Accompanying drawing 3 is structural representations of Fig. 1 middle slide plate support 5.
1-pedestal among the figure, the last connecting lever of 2-, connecting lever under the 3-, 4-Ka Tai, 5-sliding plate support, 6-connecting plate, 7-riser, 8-side plate, 9-strip through-hole, 10-pilot hole, 11-slide plate, 12-lever, 13-bar hole, 14-extension spring, 15-bearing pin.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing: by Fig. 1 in conjunction with Fig. 2 and shown in Figure 3, this switch cubicle valve self-locking device comprises pedestal 1, upward connecting lever 2 reaches connecting lever 3 down, last connecting lever 2 reaches connecting lever 3 coaxial being hinged on the pedestal 1 down, pedestal 1 is provided with sliding plate support 5, slide plate 11 and lever 12 are installed on the described sliding plate support 5, handcart slides by lever 12 control slide plates 11, last connecting lever 2 and down connecting lever 3 be provided with the opposite card platform 4 of rotation direction, the two sides, end of slide plate 11 were corresponding with described card platform 4 respectively when described slide plate 11 stretched out.When reality was used, connecting lever 3 was connected with upper and lower valve by transmission mechanism respectively under last connecting lever 2 reached, and connecting lever 3 rotated upper and lower valve is opened or closed under last connecting lever 2 reached.When pulling out handcart, lever 12 breaks away from the spacing of handcart, lever 12 makes slide plate 11 upwards connecting lever 2 and connecting lever 3 directions slip down, when slide plate 11 reaches the limit of the position, the two sides of slide plate 11 ends are corresponding with the card platform 4 on last connecting lever 2 and the following connecting lever 3 respectively, slide plate 11 makes connecting lever 2 and connecting lever 3 can not be to the rotation direction rotation of opening upper and lower valve down, realized self-locking to upper and lower valve, prevent to open because of misoperation makes upper and lower valve, safe and reliable, have simple in structure, cost is low, flexibility and reliability, highly versatile and the little characteristics that take up room.When advancing handcart, handcart presses lever 12 pulls out slide plate 11, and 11 pairs on slide plate is gone up connecting lever 2 and reached the self-locking releasing of connecting lever 3 down.
In conjunction with shown in Figure 3, described sliding plate support 5 is made up of connecting plate 6, riser 7 and 2 side plates 8 by Fig. 2, and 2 side plates 8 are provided with corresponding strip through-hole 9, and riser 7 is provided with pilot hole 10, and described strip through-hole 9 is built-in with slide plate 11; Be hinged with lever 12 on the described riser 7, the slideway that is provided with on the long arm end of lever 12 and the handcart is corresponding, the galianconism end of lever 12 is provided with bar hole 13, be provided with extension spring 14 between the galianconism end of lever 12 and the sliding plate support 5, be fixed with bearing pin 15 on the slide plate 11, described bearing pin 15 passes pilot hole 10 on the riser 7 and the bar hole 13 on the lever 12.When pulling out handcart, the long arm end of lever 12 breaks away from the spacing of handcart, lever 12 rotates under the effect of extension spring 14 and passes through bearing pin 15 and drives slide plates 11 upwards connecting lever 2 and connecting lever 3 directions slip down, the two sides of slide plate 11 ends are corresponding with the card platform 4 on last connecting lever 2 and the following connecting lever 3 respectively, realized the self-locking to upper and lower valve.When advancing handcart, the active force that the long arm end that handcart presses lever 12 overcomes extension spring 14 is pulled out slide plate 11, and 11 pairs on slide plate is gone up the connecting levers 2 and the self-locking releasing of connecting lever 3 down.
By shown in Figure 1, the wide end of an end of described slide plate 11 is narrow, and the wide end of slide plate 11 is corresponding with described card platform 4.The wide end of slide plate 11 is corresponding respectively with the card platform 4 of last connecting lever 2 and following connecting lever 3 for the end that makes slide plate 11, and the narrow end design of slide plate 11 can make sliding plate support 5 have the bight to reserve the space of hinged lever 12, compact conformation, and it is little to take up room.
Claims (3)
1. switch cubicle valve self-locking device, comprise pedestal (1), last connecting lever (2) and following connecting lever (3), connecting lever (3) was coaxial under last connecting lever (2) reached is hinged on the pedestal (1), it is characterized in that: pedestal (1) is provided with sliding plate support (5), slide plate (11) and lever (12) are installed on the described sliding plate support (5), handcart slides by lever (12) control slide plate (11), connecting lever (3) was provided with the opposite Ka Tai of rotation direction (4) under last connecting lever (2) reached, and the two sides, end of described slide plate (11) slide plate (11) when stretching out are corresponding with described Ka Tai (4) respectively.
2. switch cubicle valve self-locking device according to claim 1, it is characterized in that: described sliding plate support (5) is made up of connecting plate (6), riser (7) and 2 side plates (8), 2 side plates (8) are provided with corresponding strip through-hole (9), riser (7) is provided with pilot hole (10), and described strip through-hole (9) is built-in with slide plate (11); Be hinged with lever (12) on the described riser (7), the slideway that is provided with on the long arm end of lever (12) and the handcart is corresponding, the galianconism end of lever (12) is provided with bar hole (13), be provided with extension spring (14) between the galianconism end of lever (12) and the sliding plate support (5), be fixed with bearing pin (15) on the slide plate (11), described bearing pin (15) passes pilot hole (10) on the riser (7) and the bar hole (13) on the lever (12).
3. switch cubicle valve self-locking device according to claim 1 and 2 is characterized in that: the wide end of an end of described slide plate (11) is narrow, and the wide end of slide plate (11) is corresponding with described Ka Tai (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205436993U CN201846002U (en) | 2010-09-27 | 2010-09-27 | Valve self-locking device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205436993U CN201846002U (en) | 2010-09-27 | 2010-09-27 | Valve self-locking device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846002U true CN201846002U (en) | 2011-05-25 |
Family
ID=44040878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205436993U Expired - Lifetime CN201846002U (en) | 2010-09-27 | 2010-09-27 | Valve self-locking device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846002U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233641A (en) * | 2013-04-19 | 2013-08-07 | 四川蓝讯宝迩电子科技有限公司 | Electric cabinet door resetting device |
| CN104917093A (en) * | 2015-05-11 | 2015-09-16 | 郭湛林 | Mid-mounted switch cabinet static contact isolation bezel locking device |
| CN106129882A (en) * | 2016-08-25 | 2016-11-16 | 河南森源电气股份有限公司 | Switch cubicle and valve locking mechanism thereof |
| CN106953260A (en) * | 2017-05-10 | 2017-07-14 | 河南森源电气股份有限公司 | A kind of switch cubicle and its valve drive mechanism with auto-lock function |
| CN111572584A (en) * | 2020-05-29 | 2020-08-25 | 中车山东机车车辆有限公司 | Connecting mechanism capable of realizing self-locking |
-
2010
- 2010-09-27 CN CN2010205436993U patent/CN201846002U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233641A (en) * | 2013-04-19 | 2013-08-07 | 四川蓝讯宝迩电子科技有限公司 | Electric cabinet door resetting device |
| CN104917093A (en) * | 2015-05-11 | 2015-09-16 | 郭湛林 | Mid-mounted switch cabinet static contact isolation bezel locking device |
| CN106129882A (en) * | 2016-08-25 | 2016-11-16 | 河南森源电气股份有限公司 | Switch cubicle and valve locking mechanism thereof |
| CN106953260A (en) * | 2017-05-10 | 2017-07-14 | 河南森源电气股份有限公司 | A kind of switch cubicle and its valve drive mechanism with auto-lock function |
| CN106953260B (en) * | 2017-05-10 | 2019-06-14 | 河南森源电气股份有限公司 | A kind of switchgear and its valve drive mechanism with self-locking function |
| CN110247330B (en) * | 2017-05-10 | 2021-06-15 | 河南森源电气股份有限公司 | Switch cabinet and valve driving mechanism with self-locking function |
| CN111572584A (en) * | 2020-05-29 | 2020-08-25 | 中车山东机车车辆有限公司 | Connecting mechanism capable of realizing self-locking |
| CN111572584B (en) * | 2020-05-29 | 2021-09-21 | 中车山东机车车辆有限公司 | Connecting mechanism capable of realizing self-locking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |