CN201562875U - Interlocking mechanism for front lower door of distribution box - Google Patents
Interlocking mechanism for front lower door of distribution box Download PDFInfo
- Publication number
- CN201562875U CN201562875U CN2009202017124U CN200920201712U CN201562875U CN 201562875 U CN201562875 U CN 201562875U CN 2009202017124 U CN2009202017124 U CN 2009202017124U CN 200920201712 U CN200920201712 U CN 200920201712U CN 201562875 U CN201562875 U CN 201562875U
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- CN
- China
- Prior art keywords
- preceding xiamen
- ground connection
- cutter shaft
- interlocking
- connecting lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a distribution box, in particular to an interlocking mechanism for a front lower door of a distribution box. The utility model provides the following technical scheme: the interlocking mechanism comprises a crank arm sleeved on a grounding cutter shaft, and a connecting rod arranged between the front lower door and the crank arm; an interlocking arm is arranged between the connecting rod and the front lower door; one end of the interlocking arm is connected with the connecting rod; the other end of the interlocking arm is in intermittent tripping connection with the front lower door; an interlocking limiting mechanism, which is interlocked with the grounding cutter shaft, propped against the front lower door and forms crank arm limiting when the grounding cutter shaft is grounded, is arranged between the grounding cutter shaft and the front lower door; the crank arm is interlocked with the grounding cutter shaft to be grounded; and the interlocking limiting mechanism forms the crank arm limit and the releasing between the interlocking arm and the front lower door. By adopting the technical scheme, the interlocking mechanism for the front lower door of the distribution box with good linkage property, simple structure and secure operation is provided.
Description
Technical field
The utility model relates to a kind of distribution box, the preceding Xiamen of particularly a kind of distribution box interlocking device.
Background technology
At present, two kinds of distribution box difference high pressure on market and the data and low pressure, operating personnel are in its operation and the maintenance process, if not outage in the distribution box, then operating personnel's personal safety can be subjected to very big influence; And the distribution box that has installation and outdoor, when not cutting off the power supply in the distribution box, also can there be the danger of electric shock in citizen if unintentionally the preceding Xiamen of distribution box is opened.
There is great drawback in the fail safe of above-mentioned distribution box, can't satisfy and not have anti-requirement; In order to reach the five anti-fail safes that reach the raising distribution box, some have also appearred on the market by the distribution box of interlocking device with preceding Xiamen locking, the interlocking device of this type of distribution box is mainly due to the connecting lever of ground connection cutter shaft interlock, connecting lever is connected with preceding Xiamen by connecting rod, when connecting lever rotates to certain angle with the ground connection cutter shaft (ground connection cutter shaft ground connection this moment), then connecting rod extends to the openable length in preceding Xiamen, otherwise, the pulling force that then preceding Xiamen is connected, can't open, connecting lever is usually by its rotation of motor-driven and location, if outside excessive to the pulling force of preceding Xiamen, very likely cause connecting lever to get loose, cause the inefficacy of interlocking device by positioning states;
This type of interlocking device's linkage is not strong, and security performance is not good enough.
Summary of the invention
At the deficiency that prior art exists, the utility model provides that a kind of linkage is good, simple in structure, the preceding Xiamen of the distribution box of handling safety interlocking device.
For achieving the above object, the utility model provides following technical scheme: the preceding Xiamen of a kind of distribution box interlocking device, include the connecting lever that is sheathed on the ground connection cutter shaft, be located at the connecting rod between preceding Xiamen and the connecting lever, this connecting rod is connected with connecting lever, be provided with transmission arm between described connecting rod and the preceding Xiamen, one end of this transmission arm is connected with connecting rod, the other end is intermittent the dropout with preceding Xiamen and is connected, be provided with between described ground connection cutter shaft and the preceding Xiamen with the ground connection cutter shaft and link, constitute the spacing interlocking position-limit mechanism of connecting lever when being conflict and ground connection cutter shaft ground connection with preceding Xiamen, described connecting lever interlock ground connection cutter shaft ground connection, the interlocking position-limit mechanism constitutes the spacing and transmission arm of connecting lever and preceding Xiamen gets loose, when preceding Xiamen is closed, conflicting with the interlocking position-limit mechanism in preceding Xiamen, constitutes interlocking position-limit mechanism return and connecting lever and remove spacing, locking between linkage ground connection cutter shaft return and transmission arm and the preceding Xiamen.
Adopt technique scheme, the unlatching of preceding Xiamen during the interlock enforcement ground connection cutter shaft ground connection of connecting lever by connecting rod and transmission arm, linkage is good, can not occur blocking and the situation of dumb operation; And the connecting lever that is arranged so that of interlocking position-limit mechanism can access firm location, the connecting lever restriction of the position-limit mechanism ground connection cutter shaft rotation that can't link once more that is subjected to linking when being ground connection cutter shaft ground connection, preceding Xiamen is closed Shi Zehui the interlock limiting mechanism is caused conflict, make the interlock position-limit mechanism be returned to the home position, linkage ground connection cutter shaft rotation again after the connecting lever releasing is spacing, linkage is good, and mechanism is simple, improve the security performance of distribution box, made operating personnel's handling safety.
Wherein, connecting lever includes and compresses part and stop portion, and its pressure section is divided into projection, and stop portion is and compresses the plane that part is connected.
The utility model further is set to: described interlocking position-limit mechanism includes and is sheathed on the ground connection cutter shaft and is connected with catenating slider along the interlocking slide block and an end of ground connection cutter shaft axial slip, the other end extends to the push rod at place, preceding Xiamen, this push rod is to conflict with preceding Xiamen and cooperates, the end place that described transmission arm is connected with preceding Xiamen is provided with gib head, the corresponding position that is positioned at this gib head on the preceding Xiamen is provided with lock shaft, and the middle part of transmission arm is hinged by bearing pin and a positioning block.
Adopt technique scheme, be provided with simple in structure, easy to operate like this; Syndeton between transmission arm and the preceding Xiamen can make the compactness that is connected between transmission arm and the preceding Xiamen on the one hand, and it is flexible also to guarantee and get loose on the other hand, has improved whole interlock performance.
The utility model further is set to: described push rod is L-shaped, include coupling part and drive part, be arranged with back-moving spring on its drive part, one end of this back-moving spring is conflicted with the spring base that is sheathed on the push rod, the other end is conflicted with the guide plate that is sheathed on the push rod, and described guide plate is relative slippage with push rod and guide plate is fixedlyed connected with a fixed head.
Adopt technique scheme, the setting of push rod upper reset spring can make things convenient for push rod and catenating slider to reset, and has guaranteed work next time.
The utility model further is set to: the drive division office of described push rod is provided with sliding sleeve, and the lower end of sliding sleeve is provided with the travel switch of opening by sliding sleeve.
Adopt technique scheme, the distribution box that is arranged so that of sliding sleeve and travel switch can be implemented remote operation, and terminal can clearly know in the distribution box whether cut off the power supply, improved operability.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the schematic diagram that ground connection cutter shaft "on" position is opened in preceding Xiamen among the utility model embodiment.
Embodiment
As Fig. 1, Fig. 2, the preceding Xiamen of a kind of distribution box interlocking device shown in Figure 3, include the connecting lever 2 that is sheathed on the ground connection cutter shaft 1, be located at the connecting rod 4 between preceding Xiamen 3 and the connecting lever 2, this connecting rod 4 is connected with connecting lever 2, be provided with transmission arm 5 between described connecting rod 4 and the preceding Xiamen 3, one end of this transmission arm 5 is connected with connecting rod 4, the other end is intermittent the dropout with preceding Xiamen 3 and is connected, be provided with between ground connection cutter shaft 1 and the preceding Xiamen 3 and 1 interlock of ground connection cutter shaft, be with preceding Xiamen 3 and conflict and constitute the spacing interlocking position-limit mechanism 6 of connecting lever 2 during ground connection cutter shaft 1 ground connection, connecting lever 2 interlock ground connection cutter shafts 1 ground connection, interlocking position-limit mechanism 6 constitutes the spacing and transmission arm 5 of connecting lever 2 and gets loose with preceding Xiamen 3, when preceding Xiamen 3 is closed, conflict with interlocking position-limit mechanism 6 in preceding Xiamen 3, formation interlocking position-limit mechanism 6 returns and connecting lever 2 are removed spacing, locking between linkage ground connection cutter shaft 1 return and transmission arm 5 and the preceding Xiamen 3.The unlatching of preceding Xiamen 3 when connecting lever 2 is implemented ground connection cutter shaft 1 ground connection by connecting rod 4 with the interlock of transmission arm 5, linkage is good, can not occur blocking and the situation of dumb operation; And the connecting lever 2 that is arranged so that of interlocking position-limit mechanism 6 can access firm location, connecting lever 2 restriction of position-limit mechanism 6 ground connection cutter shaft 1 rotation that can't link once more that is subjected to linking when being ground connection cutter shaft 1 ground connection, preceding Xiamen 3 is closed Shi Zehui interlock limiting mechanism 6 is caused conflict, make interlock position-limit mechanism 6 be returned to the home position, linkage ground connection cutter shaft 1 rotation again after connecting lever 2 releasings are spacing, linkage is good, and mechanism is simple, improve the security performance of distribution box, made operating personnel's handling safety.Connecting lever 2 among the utility model embodiment includes and compresses part 21 and stop portion 22, it compresses part 21 and is projection, and stop portion 22 is and compresses the plane that part 21 is connected, is set to the connection and the spacing convenience that improved of connecting lever 2 like this, and connect compact, spacing firm.
In the utility model embodiment, the end place that transmission arm 5 is connected with preceding Xiamen 3 is provided with gib head 51, and the corresponding position that is positioned at this gib head 51 on the preceding Xiamen 3 is provided with lock shaft 31, and the middle part of transmission arm 5 is hinged by bearing pin 52 and a positioning block 7; Need to prove that the end place that transmission arm 5 is connected with preceding Xiamen 3 also can be arranged to shift fork, also is feasible, just being provided with of gib head 51 connects compactly, and get loose conveniently, so the utility model preferred the former; And above-mentioned said locating piece 7 is fixing with the shell of distribution box.Above-mentioned interlocking position-limit mechanism 6 includes and is sheathed on the ground connection cutter shaft 1 and is connected with catenating slider 61 along the interlocking slide block 61 and an end of ground connection cutter shaft 1 axial slip, and the other end extends to the push rod 62 at 3 places, preceding Xiamen, and this push rod 62 is to conflict with preceding Xiamen 3 and cooperates; Push rod 62 is L-shaped, include coupling part 621 and drive part 622, be arranged with back-moving spring 63 on its drive part 622, one end of this back-moving spring 63 is conflicted with the spring base 64 that is sheathed on the push rod 62, the other end is conflicted with the guide plate 65 that is sheathed on the push rod 62, guide plate 65 is relative slippage with push rod 62, and guide plate 65 is fixedlyed connected with a fixed head 8, the fixed head 8 at this place also is fixing with the shell of distribution box, the spring force that is arranged so that back-moving spring 63 like this is towards preceding Xiamen 3 one ends, make push rod 62 not be subjected to drive catenating slider 61 when preceding Xiamen 3 compresses and slide onto connecting lever 2 places fast, realize the spacing of connecting lever 2 with this.In order to implement long-range and outer monitoring, be provided with sliding sleeve 66 at drive part 622 places of push rod 62, the lower end of sliding sleeve 66 is provided with the travel switch of opening by sliding sleeve 66 9.The unlatching head of travel switch 9 is the roller 91 that cooperates with sliding sleeve 66 side faces, when push rod 62 takes sliding sleeve 66 to and moves, the roller 91 of travel switch 9 slides along sliding sleeve 66 side faces, break away from travel switch 9 until sliding sleeve 66, then travel switch 9 is opened, and signal is transferred to control terminal, make the peripheral operation personnel can know distribution box inside accurately and whether cut off the power supply, the fail safe when having improved operation.
Claims (5)
1. the preceding Xiamen of distribution box interlocking device, include the connecting lever that is sheathed on the ground connection cutter shaft, be located at the connecting rod between preceding Xiamen and the connecting lever, this connecting rod is connected with connecting lever, it is characterized in that: be provided with transmission arm between described connecting rod and the preceding Xiamen, one end of this transmission arm is connected with connecting rod, the other end is intermittent the dropout with preceding Xiamen and is connected, be provided with between described ground connection cutter shaft and the preceding Xiamen with the ground connection cutter shaft and link, constitute the spacing interlocking position-limit mechanism of connecting lever when being conflict and ground connection cutter shaft ground connection with preceding Xiamen, described connecting lever interlock ground connection cutter shaft ground connection, the interlocking position-limit mechanism constitutes the spacing and transmission arm of connecting lever and preceding Xiamen gets loose, when preceding Xiamen is closed, conflicting with the interlocking position-limit mechanism in preceding Xiamen, constitutes interlocking position-limit mechanism return and connecting lever and remove spacing, locking between linkage ground connection cutter shaft return and transmission arm and the preceding Xiamen.
2. the preceding Xiamen of distribution box according to claim 1 interlocking device, it is characterized in that: described interlocking position-limit mechanism includes and is sheathed on the ground connection cutter shaft and is connected with catenating slider along the interlocking slide block and an end of ground connection cutter shaft axial slip, the other end extends to the push rod at place, preceding Xiamen, this push rod is to conflict with preceding Xiamen and cooperates, the end place that described transmission arm is connected with preceding Xiamen is provided with gib head, the corresponding position that is positioned at this gib head on the preceding Xiamen is provided with lock shaft, and the middle part of transmission arm is hinged by bearing pin and a positioning block.
3. the preceding Xiamen of distribution box according to claim 2 interlocking device, it is characterized in that: described push rod is L-shaped, include coupling part and drive part, be arranged with back-moving spring on its drive part, one end of this back-moving spring is conflicted with the spring base that is sheathed on the push rod, the other end is conflicted with the guide plate that is sheathed on the push rod, and described guide plate is relative slippage with push rod and guide plate is fixedlyed connected with a fixed head.
4. according to claim 2 or the preceding Xiamen of 3 described distribution boxs interlocking device, it is characterized in that: the drive division office of described push rod is provided with sliding sleeve, and the lower end of sliding sleeve is provided with the travel switch of opening by sliding sleeve.
5. according to claim 1 or the preceding Xiamen of 2 or 3 described distribution boxs interlocking device, it is characterized in that: described connecting lever includes and compresses part and stop portion, and its pressure section is divided into projection, and stop portion is and compresses the plane that part is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202017124U CN201562875U (en) | 2009-11-30 | 2009-11-30 | Interlocking mechanism for front lower door of distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202017124U CN201562875U (en) | 2009-11-30 | 2009-11-30 | Interlocking mechanism for front lower door of distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562875U true CN201562875U (en) | 2010-08-25 |
Family
ID=42628024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202017124U Expired - Fee Related CN201562875U (en) | 2009-11-30 | 2009-11-30 | Interlocking mechanism for front lower door of distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296590A (en) * | 2012-02-29 | 2013-09-11 | 西门子公司 | Mechanical door lock device for at least one drive device of electric switchgear and locking unit |
-
2009
- 2009-11-30 CN CN2009202017124U patent/CN201562875U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296590A (en) * | 2012-02-29 | 2013-09-11 | 西门子公司 | Mechanical door lock device for at least one drive device of electric switchgear and locking unit |
| CN103296590B (en) * | 2012-02-29 | 2017-01-18 | 西门子公司 | Mechanical door lock device for at least one drive device of electric switchgear and locking unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181130 |