CN203462855U - Indirect type authorization key unlocking mechanism - Google Patents
Indirect type authorization key unlocking mechanism Download PDFInfo
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- CN203462855U CN203462855U CN201320498281.9U CN201320498281U CN203462855U CN 203462855 U CN203462855 U CN 203462855U CN 201320498281 U CN201320498281 U CN 201320498281U CN 203462855 U CN203462855 U CN 203462855U
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- iron core
- control lever
- solenoid
- moving pin
- indirect
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000013475 authorization Methods 0.000 title abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to an unlocking device by virtue of authorization, in particular to an indirect type authorization key unlocking mechanism, which comprises an authorization mobile pin, an unlocking rod, a solenoid iron core and a solenoid spring; the indirect type authorization key unlocking mechanism is characterized by comprising an indirect control rod and a control rod return spring; under the condition that the unlocking method is not changed, a mechanism for indirectly controlling the authorization mobile pin, namely the indirect control rod, is additionally arranged; the solenoid iron core penetrates through a slot in the lower part of the indirect control rod; the top end of the indirect control rod is inserted into the authorization mobile pin. Compared with an existing unlocking mechanism, the solenoid iron core is not directly stressed, the stressed part is the indirect control rod, the solenoid iron core is effectively protected, the solenoid iron core is only subjected to operation of authorization control and is not easy to deform, the use reliability is high, and the safe operation of transformer substations and power plants and safety management of equipment are improved.
Description
Technical field
The utility model relates to a kind of needs by the tripper, particularly a kind of indirect type authorized key release mechanism of authorizing.
Background technology
Authorized key release mechanism is that a kind of transformer station, power plant, petrochemical industry, metallurgy, coal etc. of being applied in have when using to authorize and require the device that just lockset can be opened, to prevent operations staff's lock in person even if in not authorized situation, thereby have influence on equipment security of operation.In power industry device systems, generally adopt intelligent release mechanism, it possesses Authorized operation function, does not just authorize and can not unblank, and meanwhile, the automatic record of the process of unblanking, conveniently traces historical operation task.
The authorized key release mechanism of existing transformer station is referring to accompanying drawing 1, include and authorize moving pin 1, trip lever 2, solenoid iron core 3 and solenoid spring 4, authorize moving pin 1 and helical iron core 3 to be all installed in the inner chamber of trip lever 2, the lower surface of solenoid iron core 3 is provided with solenoid spring 4, authorize a side of moving pin 1 to be provided with limited impression, and insert in this groove the upper end of solenoid iron core 3, now authorize moving pin 1 and solenoid iron core 3 to be axial vertical distribution.During use, when solenoid iron core 3 obtains after intelligent verification, can in the axocoel of trip lever 2, move down along it, tail end deviates to authorize the limited impression of moving pin 1, now, just can pass through key turns lock housing, authorize in the horizontal inner chamber of moving pin 1 automatic retraction trip lever 2, complete release work.Yet the weak point of above-mentioned authorized key release mechanism is, described release mechanism adopts solenoid iron core directly to control mandate moving pin, if authorize moving pin in unauthorized situation, use by force key turns lock housing, now authorize moving pin to be subject to the extruding of lock core, and this extruding force can directly be transferred on solenoid iron core, because solenoid iron core is Armco magnetic iron material, hardness is lower, easily distortion under extruding force effect, the situation that there will be solenoid iron core to be extruded distortion and cannot normal contraction, thereby cause release mechanism to lose efficacy and cannot unblank, dependability is low.
Summary of the invention
The purpose of this utility model is to provide according to the deficiencies in the prior art part the indirect type authorized key release mechanism that a kind of dependability is high, be difficult for deformation failure.
The purpose of this utility model realizes by following approach:
Indirect type authorized key release mechanism, include and authorize moving pin, trip lever, solenoid iron core and solenoid spring, its structural feature is, also include indirect control lever and control lever return spring, be provided with the axial bore and the horizontal inner chamber that vertically pass through mutually in trip lever, solenoid iron core is arranged in horizontal inner chamber, rear end cover is embedded with solenoid spring, front end has slope structure, and slope is positioned at downside, is the downward extended surface of transition of solenoid iron core straight-bar; Control lever is arranged in the axial bore of trip lever indirectly, control lever return spring is positioned at the bottom of axial bore, and control lever includes superposed connecting rod and the execution bar that is positioned at bottom indirectly, in the middle of carrying out bar, there is through hole, the slope structure cross-sectional length of this through-hole diameter and solenoid iron core is suitable, and the through hole that solenoid iron core is carried out bar through this, the front end with slope structure is positioned at the left side of carrying out bar, and other parts are positioned at the right side of carrying out rod through-hole; Authorize moving pin to be arranged in the horizontal hole slot of opening of trip lever top, the axial bore upper end of this horizontal hole slot and trip lever connects, authorize the downside of moving pin to be provided with limited impression, the connecting rod upper end of control lever can be inserted in this limited impression indirectly.
During unauthorized, solenoid iron core is under the pretension effect of solenoid spring, protract and make the straight bar part of iron core be arranged in the execution rod through-hole of indirect control lever, pretension effect due to control lever spring, control lever upwards pushes up indirectly, now the straight bar part of iron core is to abut in the downside of indirect control lever through hole along upper, slope structure is arranged in the horizontal inner chamber of opposite side through the trip lever of through hole, and abut against on the left surface of carrying out bar, now, because control lever return spring provides pretension elastic force, the connecting rod of control lever upwards inserts in the limited impression of authorizing moving pin indirectly, form locking state.Under authorization conditions, solenoid iron core moves backward, compression solenoid spring, now the slope of solenoid iron core front end structure moves the through hole direction to indirect control lever, and along with slope structure enters through hole and presses down indirect control lever, indirect control lever is moved down along the axial bore of trip lever, now the connecting rod of control lever will deviate to authorize the limited impression of moving pin indirectly, like this, just can adopt key turns lock housing, the rotation of lock housing also makes, in its horizontal hole slot of no longer restricted mandate moving pin retraction, to complete the work of unblanking.
In undelegated situation, use key starts, owing to authorizing moving pin to be subject to the restriction of indirect control lever, in cannot its place hole slot of retraction, lock housing cannot complete rotation, if forced rotating, can make to authorize moving pin to produce to the active force pushing in horizontal hole slot, this squeezing action power due to limited impression with being indirectly connected of control lever transfer to indirect control lever, make indirect control lever produce stress, and there is no corresponding direct annexation between indirect control lever and solenoid iron core, solenoid iron core is just through the through hole on indirect control lever, therefore can not be subject to the impact of the stress of indirect control lever generation, so just effectively protected solenoid iron core, it is subject to the operation of authorization control, not yielding, dependability is high.
The utility model can further be specially:
In control lever, the cross section of connecting rod is less than the cross section of carrying out bar indirectly, and the two junction has cascaded surface, and the axial bore correspondence of trip lever is terrace structure, and the formed step surface of this terrace structure becomes confined planes, suitable with the cascaded surface of indirect control lever.
Consider that indirect control lever is under the effect of control lever spring, can form the power making progress, if this active force is direct and the straight bar part effect of solenoid iron core, may form the shear stress making progress to solenoid iron core, there is unreliable impact, although the indirectly connecting rod of control lever and the downside that straight-bar that provided confined planes can make solenoid iron core is just in time positioned at execution rod through-hole that is connected of authorizing between the limited impression of moving pin, but described confined planes can make to carry out bar and better limit within the specific limits, guarantee that solenoid iron core can not be subject to the impact of indirect control lever under normal circumstances, simultaneously, such structure also can make to be more convenient to solenoid iron core in manufacturing process and carry out the direct localization process of rod through-hole.
Also include helical pipe box, the right side that it is positioned at the horizontal inner chamber of trip lever, has helical tube chamber, and the rear end part that solenoid iron core has solenoid spring is arranged in this helical tube chamber.
This helical pipe box can be connected with intelligent authorization control end, for controlling the transverse movement of solenoid iron core.
The slope structure of solenoid iron core front end is specifically a kind of horn-like trapezoidal configuration.
Described trapezoidal configuration is a kind of equilateral trapezoidal, and minor face is with the straight-bar diameter of solenoid iron core, and long limit is positioned at foremost, and Jun Chengchang limit, upper and lower both sides is to the slope structure of minor face mitered.Now the left side intracavity diameter of the horizontal inner chamber of trip lever need be suitable with the long limit of this trapezoidal configuration, is matched in clearance, guarantees that solenoid iron core can remain on certain horizon when mobile, completes mandate release smoothly.
Authorize the rear end face of moving pin to be provided with horizontal shrinkage pool, in this horizontal shrinkage pool, be provided with moving pin spring, one end of this moving pin spring is positioned at the opening transverse holes groove bottom of trip lever, the other end is positioned at the bottom surface of authorizing the horizontal shrinkage pool of moving pin, and when this moving pin spring normally launches, the connecting rod of control lever is just in time aimed at the limited impression of authorizing moving pin indirectly.
Like this, while authorizing release, authorize moving pin to remove after the restriction of indirect control lever, under lock housing is rotated, authorize moving pin to need in the horizontal hole slot of retraction trip lever, now will compress moving pin spring, after restoring to the original state subsequently, moving pin spring by return in normal deployed condition, now, the connecting rod of control lever is just in time aimed at the limited impression of authorizing moving pin indirectly, is convenient to the return of mechanism.
Control lever is a kind of stainless steel control lever indirectly.
The indirect control lever hardness that adopts stainless steel to make is higher, and stressed being not easy is out of shape, and can protect the extruding that is not subject to any external force as the solenoid iron core of release major control effect.
In sum; the utility model provides a kind of indirect type authorized key release mechanism; the indirect control lever of special employing is indirectly to control mandate moving pin; it can bear the extruding force of authorizing moving pin to transmit, and protection solenoid iron core is indeformable, has effectively protected solenoid iron core; it is subject to the operation of authorization control; not yielding, dependability is high, has improved transformer station, the safe operation of power plant and the safety management of equipment.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the indirect type authorized key release mechanism described in the utility model background technology;
Figure 2 shows that the contour structures schematic diagram of indirect type authorized key release mechanism described in the utility model;
Figure 3 shows that the sectional structure schematic diagram of indirect type authorized key release mechanism described in the utility model;
Figure 4 shows that the structural representation of indirect control lever described in the utility model;
Figure 5 shows that the structural representation of solenoid component described in the utility model;
Figure 6 shows that indirect type authorized key release mechanism overall structure schematic diagram when blocking;
Figure 7 shows that and authorize the lateral cross section structural representation of moving pin when blocking;
Figure 8 shows that indirect type authorized key release mechanism overall structure schematic diagram when unlocking condition;
Figure 9 shows that and authorize the lateral cross section structural representation of moving pin when unlocking condition.
Below in conjunction with embodiment, the utility model is described further.
The specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 2 and accompanying drawing 3, indirect type authorized key release mechanism, includes trip lever 1, indirect control lever 2, authorizes moving pin 3, moving pin spring 4, solenoid component 5 and control lever spring 6.
By reference to the accompanying drawings 4, control lever 2 is arranged in the axial bore of trip lever 1 indirectly, include and be positioned at the connecting rod 21 that top diameter of section is less and be positioned at the larger execution bar 22 of below diameter of section, the centre of carrying out bar 22 has the through hole 23 of strip, because the cross section of connecting rod 21 is less than the cross section of carrying out bar 22, the two junction has cascaded surface, the terrace structure of itself and trip lever 1 axial bore is completely suitable, it is the upper ladder that connecting rod 21 is arranged in axial bore, carry out bar 22 and be arranged in downstairs, cascaded surface with the confined planes of axial bore mutually by tactile.Control lever spring 6 is positioned at the bottom of axial bore, and upper end connects the bottom face of indirect control lever 2, is compression Pre strained state, gives the active force of pressing on indirect control lever, the position that keeps indirect control lever, and after release, make effectively return of indirect control lever.
By reference to the accompanying drawings 5, solenoid component 5 includes helical pipe box 51, solenoid iron core 52 and solenoid spring 53, helical pipe box 51 is arranged in the right-side cavity of trip lever 1 horizontal inner chamber, the helical tube chamber of two spacing anchor rings before and after having, helical pipe box can be connected with intelligent authorization control end, for controlling the transverse movement of solenoid iron core.The latter half of solenoid iron core 52 is arranged in this helical tube chamber, be pre-large post-small T-shaped structure, major diameter part is consistent with the height of helical tube chamber, just in time be touching on front limit anchor ring, small diameter portion cover has solenoid spring 53, the diameter of this solenoid spring 53 is also consistent with the height of helical tube chamber, and tail end is touching on rear spacing anchor ring.The first half of solenoid iron core 52 includes straight bar part 521 and horn-like trapezoidal portions 522, its lower surface is slope structure 5c, this part, through the through hole of carrying out bar, makes trapezoidal portions be arranged in trip lever 1 chamber, left side, and straight bar part is just in time touching on the downside of carrying out rod through-hole.
Authorize moving pin 3 to be arranged in the horizontal hole slot of the left opening of small column of trip lever 1, lower surface is provided with the limited impression 31 that can aim at trip lever 1 axial bore, and insert in this limited impression 31 the connecting rod upper end of control lever 2 indirectly; Rear end face is provided with horizontal shrinkage pool, in this horizontal shrinkage pool, be provided with moving pin spring 4, one end of this moving pin spring 4 is positioned at the opening transverse holes groove bottom of trip lever, the other end is positioned at the bottom surface of authorizing the horizontal shrinkage pool of moving pin, and during this moving pin spring 4 normal expansion, the connecting rod of control lever 2 is just in time aimed at the limited impression 31 of authorizing moving pin indirectly.
With reference to accompanying drawing 6 and accompanying drawing 7, in described indirect type authorized key release mechanism, the small column overcoat of trip lever 1 has lock housing 7, is provided with the lock housing groove 8 suitable with authorizing moving pin 3 front ends in this lock housing 7.In undelegated situation, authorize moving pin 3 front ends to insert 8 li of the fixed lock housing grooves of lock core, rear end is withstood by indirect control lever 2, now authorize moving pin 3 not move backward, be stuck between fixed lock housing 7 and rotating key release mechanism (as Fig. 7), cause key to rotate.Now, if exert oneself screw key, from the extruding force in lock housing 7, by authorizing moving pin 3 to be delivered on indirect control pin 2, because this extruding force direction is with control lever 2 is vertical indirectly, the solenoid iron core 52 that is therefore positioned at indirect control lever 2 lower ends is not subject to any extruding force.
With reference to accompanying drawing 8 and accompanying drawing 9, after code-reading apparatus 9 is on the key delivered in the MCU in unlock key by lockset information, MCU judges whether lockset allows to open, after checking, MCU switches on to helical pipe box 51, solenoid iron core 52 shrinks, the trapezoid part with slope structure of iron core one end pulls open (as Fig. 8) downwards by indirect control lever 2, now control lever end is separated with authorizing moving pin 3 indirectly, authorize moving pin 3 to move freely, when rotating unlock key, authorization control pin 3 ejects (as Fig. 9) from the groove 8 of lock housing, now, can complete unlocking operation.
The utility model is mainly in the situation that guaranteeing that the mode of unblanking does not change, increase by one and indirectly controlled the mechanism of authorizing moving pin, be indirect control lever, adopt solenoid iron core through the strip hole of indirect control lever bottom, control lever top is inserted and is authorized in moving pin indirectly.Compare current release mechanism, solenoid iron core is directly not stressed, and stressed part has been transformed into indirect control lever.
It is same as the prior art that the utility model is not stated part.
Claims (6)
1. indirect type authorized key release mechanism, include and authorize moving pin, trip lever, solenoid iron core and solenoid spring, it is characterized in that, also include indirect control lever and control lever return spring, be provided with the axial bore and the horizontal inner chamber that vertically pass through mutually in trip lever, solenoid iron core is arranged in horizontal inner chamber, rear end cover is embedded with solenoid spring, front end has slope structure, and slope is positioned at downside, is the downward extended surface of transition of solenoid iron core straight-bar; Control lever is arranged in the axial bore of trip lever indirectly, control lever return spring is positioned at the bottom of axial bore, and control lever includes superposed connecting rod and the execution bar that is positioned at bottom indirectly, in the middle of carrying out bar, there is through hole, the slope structure cross-sectional length of this through-hole diameter and solenoid iron core is suitable, and the through hole that solenoid iron core is carried out bar through this, the front end with slope structure is positioned at the left side of carrying out bar, and other parts are positioned at the right side of carrying out rod through-hole; Authorize moving pin to be arranged in the horizontal hole slot of opening of trip lever top, the axial bore upper end of this horizontal hole slot and trip lever connects, authorize the downside of moving pin to be provided with limited impression, the connecting rod upper end of control lever can be inserted in this limited impression indirectly.
2. indirect type authorized key release mechanism according to claim 1, it is characterized in that, indirectly in control lever, the cross section of connecting rod is less than the cross section of carrying out bar, the two junction has cascaded surface, and the axial bore correspondence of trip lever is terrace structure, the formed step surface of this terrace structure becomes confined planes, suitable with the cascaded surface of indirect control lever.
3. indirect type authorized key release mechanism according to claim 1, it is characterized in that, also include helical pipe box, it is positioned at the right side of the horizontal inner chamber of trip lever, have helical tube chamber, the rear end part that solenoid iron core has solenoid spring is arranged in this helical tube chamber.
4. indirect type authorized key release mechanism according to claim 1, is characterized in that, the slope structure of solenoid iron core front end is specifically a kind of horn-like trapezoidal configuration.
5. indirect type authorized key release mechanism according to claim 1, it is characterized in that, authorize the rear end face of moving pin to be provided with horizontal shrinkage pool, in this horizontal shrinkage pool, be provided with moving pin spring, one end of this moving pin spring is positioned at the opening transverse holes groove bottom of trip lever, the other end is positioned at the bottom surface of authorizing the horizontal shrinkage pool of moving pin, and this moving pin spring is when normally launch, and the connecting rod of control lever is just in time aimed at the limited impression of authorizing moving pin indirectly.
6. indirect type authorized key release mechanism according to claim 1, is characterized in that, control lever is a kind of stainless steel control lever indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498281.9U CN203462855U (en) | 2013-08-15 | 2013-08-15 | Indirect type authorization key unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498281.9U CN203462855U (en) | 2013-08-15 | 2013-08-15 | Indirect type authorization key unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203462855U true CN203462855U (en) | 2014-03-05 |
Family
ID=50175227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498281.9U Expired - Lifetime CN203462855U (en) | 2013-08-15 | 2013-08-15 | Indirect type authorization key unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203462855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437601A (en) * | 2013-08-15 | 2013-12-11 | 国家电网公司 | Indirect type authorized key unlocking mechanism |
-
2013
- 2013-08-15 CN CN201320498281.9U patent/CN203462855U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437601A (en) * | 2013-08-15 | 2013-12-11 | 国家电网公司 | Indirect type authorized key unlocking mechanism |
| CN103437601B (en) * | 2013-08-15 | 2016-02-17 | 国家电网公司 | Indirect type authorized key release mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160217 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |