CN102808552B - Apron board lock for equipment cabin of vehicular underframe - Google Patents
Apron board lock for equipment cabin of vehicular underframe Download PDFInfo
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- CN102808552B CN102808552B CN201110145848.XA CN201110145848A CN102808552B CN 102808552 B CN102808552 B CN 102808552B CN 201110145848 A CN201110145848 A CN 201110145848A CN 102808552 B CN102808552 B CN 102808552B
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- lock
- apron board
- stop collar
- vehicular
- slip cap
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Abstract
Apron board lock for equipment cabin of vehicular underframe of the present invention, adopt the rotary positioning structure that a group of stop collar, slip cap match, to guarantee that overall apron board lock can realize fully auto-lock function, and under any External Force Acting, dead bolt all can not be made to rotate, thus guarantee only just can open skirtboard when using the key of special configuration, ensure that apron board lock there will not be the phenomenon of automatically unclamping in track vehicle operation.Apron board lock includes the lock body being installed on skirtboard by locking nut, and lock body inside is provided with rotatable lock core, is arranged with the dead bolt be snapped on latch plate in the outboard end of lock core.Inner at lock body, be arranged with one group of stop collar and slip cap coaxially; Slip cap has and to be snapped in stop collar circumference in company with the rotation of lock core and to organize projection in locating slot more.
Description
Technical field
The present invention is a kind of lock construction being applied to locking vehicle body bottom frame equipment compartment apron board, correspondingly to improve for the installation of equipment under car, airtight and maintenance, belongs to mechanical manufacturing field.
Background technology
The domestic rail vehicle put into effect at present, as urban light rail, passenger train, EMUs etc., for save interior space and be convenient to install, the pipeline of configuration device device and circuit, normally relevant vehicle arrangement is intensively arranged at below vehicle body bottom frame, namely forms equipment compartment under the car of centralized configuration.
Existing vehicle body bottom frame equipment compartment all adopts aluminium profile structure, and design focal point is placed in the sealing performance of equipment compartment apron board, relative to existing speed per hour has reached 350 kilometers and above high speed railway car, there is following shortcoming:
1, apron board lock structure in existing equipment cabin can not realize self-locking, must block dead bolt by outer check, to prevent from unclamping due to vibration when train high-speed cruising;
2, latch plate stop configurations is comparatively complicated, exist installation procedure loaded down with trivial details, the defect such as repeatedly need to regulate.Due to must skirtboard be closed when regulating, and after closing skirtboard, cannot see latch plate, workman is operated with sensation completely when regulating.Different operative there will be incomplete same state, makes after train operation a period of time, and maintenance personal, when current check, has the phenomenon of apron board lock pine during discovery.
Summary of the invention
Apron board lock for equipment cabin of vehicular underframe of the present invention, its object is to solve above-mentioned prior art Problems existing and adopt the rotary positioning structure that a group of stop collar, slip cap match, to guarantee that overall apron board lock can realize fully auto-lock function, and under any External Force Acting, dead bolt all can not be made to rotate, thus guarantee only just can open skirtboard when using the key of special configuration, ensure that apron board lock there will not be the phenomenon of automatically unclamping in track vehicle operation.
Another goal of the invention is, locking and the opening operation of apron board lock be simple and easy to do, operate and save time, limit dead bolt clockwise or be rotated counterclockwise 90 °, thus limit locking or the open mode of apron board lock exactly, improve and use the connective stability of apron board lock, guarantee apron board lock unexpectedly can not unclamp because car body vibrations, avoid causing vehicle safety accident because of coming off of skirtboard.
Goal of the invention is also, correspondingly improves the connection sealing after apron board lock locking, prevents rainwater or snow-broth from penetrating in equipment compartment, be effectively equipment raising function of safety protection under car.
For achieving the above object, described apron board lock for equipment cabin of vehicular underframe mainly includes:
Be installed on the lock body of skirtboard by locking nut, lock body inside is provided with rotatable lock core, be arranged with the dead bolt be snapped on latch plate in the outboard end of lock core.Difference with the prior art part is,
Inner at lock body, be arranged with one group of stop collar and slip cap coaxially;
Slip cap has and to be snapped in stop collar circumference in company with the rotation of lock core and to organize projection in locating slot more.
As above-mentioned basic scheme, the vehicle body bottom frame of rail vehicle is provided with skirtboard skeleton, and skirtboard skeleton is provided with several piece skirtboard, and skirtboard together constitutes the installation confined space of equipment under car with the same latch plate be arranged on skirtboard skeleton.In order to lock, skirtboard is provided with apron board lock as described in the present invention on latch plate.
Described apron board lock, its dead bolt matches with latch plate in order to be carried out locking or opening by skirtboard.Lock core and lock body are glade plane space fit structure, and lock core axially can rotate around it on lock body.
The stop collar provided according to design concept of the present invention and slip cap structure, slip cap is inner mobile along lock core to lock body under the impetus of key, and slip cap is positioned in company with the rotation of lock core in the locating slot that stop collar circumference organizes more simultaneously.
The locating slot that stop collar circumference is organized more can limit the different positioning states of dead bolt, is namely limited the different rotary position of dead bolt by the switching of slip cap in the locating slot of many groups.
Due to tight buckle can be realized between the projection of slip cap and the locating slot of stop collar, thus guarantee for the locking of apron board lock and opening operation accurately and realize fully auto-lock function, avoid because skirtboard shakes and cause apron board lock automatically to unclamp the generation of phenomenon.
For improve further apron board lock mode of operation control accuracy, simplify locking with open mode switch, ensure staff can complete exactly under the state that cannot see dead bolt skirtboard locking, following improvement project can be taked:
Stop collar is circumferentially provided with 2 groups of locating slots, slip cap is provided with a pair projection.Namely only can position in 2 groups of locating slots at a pair projection of slip cap, namely dead bolt only can switch in locking and under opening 2 kinds of states, otherwise lock body internal slide cover cannot achieve a butt joint with stop collar.
More preferred embodiment, 2 groups of described locating slots are by right-angled intersection arrangement, and a pair described projection is at slip cap circumference 180 °, interval, and namely stop collar has 2 groups of 4 locating slots, every 2 locating slot synchronizations match with 2 projections on slip cap.Under the effect of key, a pair projection of slip cap rotates and shifts out one group of locating slot of stop collar, after the axial-rotation 90 ° of lock core, a pair projection of slip cap moves in another group locating slot of stop collar and limited cover blocks, now dead bolt accurately and is stably defined in a certain state, makes apron board lock be in locking or open mode.
For improving dexterity of action, the accuracy between stop collar and slip cap between fastener positioning structure, slip cap can be tight against on the spring being sheathed on lock core outside.
When using key to carry out locking and opening operation, slip cap under the impetus of key to the mobile LAP in lock body inside, now slip cap internally pressuring spring shifting out from one group of locating slot of stop collar; When key drives slip cap around its axial-rotation 90 ° or when extracting key, slip cap is mobile to lock body outside under the action of the spring, by in another group locating slot of 2 of slip cap projection press-in stop collars, until the external surface of slip cap and lock body is consistent.
For improving the structural stability of stop collar relative to lock body, stop collar backstop is provided with between stop collar and lock body inner chamber, stop collar is fixed on lock body by stop collar backstop, and stop collar cannot play vertically relative to lock body, and stop collar can not be deviate from from lock body.
The rotation of circumference is carried out relative to lock body for preventing stop collar, the outer wall of stop collar is nested in the backstop groove of lock body circumference, stop collar and lock body realize the positioning action of tight buckle by backstop groove, and when slip cap rotates in a circumferential direction along stop collar, stop collar can't rotate.
More the improvement project of refinement is, self-locking nut is had in the outboard end of lock core, the arranged outside of dead bolt, dead bolt margin of stability can be positioned at lock core end by self-locking nut, self-locking nut can prevent from himself in vehicle operation because constantly occurring to vibrate occurring the phenomenon that gets loose, ensure that dead bolt can not come off from locked position.
For preventing lock core at the horizontal looseness of lock body inside, can on lock core, lock core through two ends inside and outside lock body, be provided with a pair inner shield ring and outer back-up ring.
For improving the overall sealing function relative to skirtboard of apron board lock, sealing ring can be provided with between lock body and skirtboard.
In sum, apron board lock for equipment cabin of vehicular underframe of the present invention has advantage and beneficial effect is:
1, the rotary positioning structure adopting stop collar to match with slip cap, can fully realize apron board lock auto-lock function.
2, only just can open skirtboard when using the key of special configuration, cannot dead bolt be rotated under external force, thus ensure that apron board lock there will not be the phenomenon of automatically unclamping in track vehicle operation.
3, the locking of apron board lock and opening operation simple and easy to do, staff can limit locking or the open mode of apron board lock exactly, improves the connective stability using apron board lock.
4, effectively can improve the connection sealing after apron board lock locking, prevent rainwater or snow-broth from penetrating in equipment compartment, be effectively equipment raising function of safety protection under car.
Accompanying drawing explanation
Now the present invention is described further by reference to the accompanying drawings.
Fig. 1 is described apron board lock internal construction generalized section;
Fig. 2 be in Fig. 1 A-A to generalized section;
Fig. 3 be in Fig. 1 B-B to generalized section;
As depicted in figs. 1 and 2, lock body 1, sealing ring 2, stop collar 3, slip cap 4, lock core 5, spring 6, inner shield ring 7, locking nut 8, dead bolt 9, self-locking nut 10, lock core sealing ring 11, stop collar backstop 12, outer back-up ring 13, locating slot 15, projection 16, latch plate 17, backstop groove 18.
Detailed description of the invention
Embodiment 1, as depicted in figs. 1 and 2, described apron board lock for equipment cabin of vehicular underframe mainly includes:
The lock body 1 of skirtboard (not shown) is installed on by locking nut 8;
Lock body 1 inside is provided with rotatable lock core 5, and lock core 5 and lock body 1 are glade plane space fit structure, and lock core 5 axially can rotate around it on lock body 1;
Be arranged with the dead bolt 9 be snapped on latch plate 17 in the outboard end of lock core 5, dead bolt 9 matches with latch plate 17 in order to be carried out locking or opening by skirtboard.
The structure made in the present embodiment is improved, and inner at lock body 1, be arranged with one group of stop collar 3 and slip cap 4 coaxially, slip cap 4 is tight against on the spring 6 being sheathed on lock core 5 outside.
Slip cap 4 has a pair projection 16 be snapped in the circumferential 2 groups of locating slots 15 of stop collar 3 in company with the rotation of lock core 5.2 groups of locating slots 15 are by right-angled intersection arrangement, and described a pair projection 16 is at 180 °, the circumferential interval of slip cap 4.
Stop collar 3 has 2 groups of 4 locating slots 15, every 2 locating slot 15 synchronizations match with the projection of 2 on slip cap 4 16.Under the effect of key, a pair projection 16 of slip cap 4 rotates and shifts out one group of locating slot 15 of stop collar 3, after the axial-rotation 90 ° of lock core 5, a pair projection 16 of slip cap 4 moves in another group locating slot 15 of stop collar 3 and limited cover 3 blocks, now dead bolt 9 accurately and is stably defined in a certain state, makes apron board lock be in locking or open mode.
Between stop collar 3 and lock body 1 inner chamber, be provided with stop collar backstop 12, stop collar 3 is fixed on lock body 1 by the sheathed stop collar backstop 12 of circumference.Meanwhile, the outer wall of stop collar 3 is also nested in the backstop groove 18 that lock body 1 inwall is arranged, thus ensures that the rotation in circumference can not occur relative to lock body 1 stop collar 3, finally makes stop collar 3 can not deviate from from lock body 1.
Have self-locking nut 10 in the outboard end of lock core 5, the arranged outside of dead bolt 9, self-locking nut 10 has special thread type helicitic texture and has auto-lock function, to guarantee that dead bolt 9 can not come off from lock core 5.
On lock core 5, lock core 5 through two ends inside and outside lock body 1, be provided with a pair inner shield ring 7 and outer back-up ring 13, to prevent lock core 5 at the horizontal looseness of lock body 1 inside,
In addition, between lock body 1 and skirtboard, sealing ring 2 is also provided with.
Apron board lock for equipment cabin of vehicular underframe can adopt stainless steel, existing good appearance and modeling and Corrosion Protection, and dead bolt 9, by Strength co-mputation and tensile test checking, can meet the operating mechanical strength of vehicle high-speed.
Rotatable 90 ° of apron board lock is opened, and facilitates the maintenance of equipment under car in equipment compartment.
The auto-lock function that apron board lock has, can avoid skirtboard in vehicle operation to come off caused security incident effectively.
The structure of apron board lock is relatively simple and easy, and has higher connection sealing energy, and moisture or dust not easily enter into equipment compartment, and under car, the safe handling of equipment ensures to some extent.
Claims (7)
1. an apron board lock for equipment cabin of vehicular underframe, include the lock body (1) being installed on skirtboard by locking nut (8), lock body (1) inside is provided with rotatable lock core (5), be arranged with the dead bolt (9) be snapped on latch plate (17) in the outboard end of lock core (5), it is characterized in that:
Inner at lock body (1), be arranged with one group of stop collar (3) and slip cap (4) coaxially;
Slip cap (4) has and to be snapped in stop collar (3) circumference in company with the rotation of lock core (5) and to organize projection (16) in locating slot (15) more;
Stop collar (3) is circumferentially provided with 2 groups of locating slots (15), slip cap (4) is provided with a pair projection (16);
2 groups of described locating slots (15) are by right-angled intersection arrangement, and described a pair projection (16) is at 180 °, the circumferential interval of slip cap (4);
Described apron board lock for equipment cabin of vehicular underframe adopts stainless steel.
2. apron board lock for equipment cabin of vehicular underframe according to claim 1, is characterized in that: described slip cap (4) is tight against and is being sheathed on the outside spring (6) of lock core (5).
3. apron board lock for equipment cabin of vehicular underframe according to claim 2, is characterized in that: be arranged with stop collar backstop (12) at stop collar (3) and the circumference of lock body (1).
4. apron board lock for equipment cabin of vehicular underframe according to claim 3, is characterized in that: the outer wall of stop collar (3) is nested in the backstop groove (18) of lock body (1) circumference.
5. apron board lock for equipment cabin of vehicular underframe according to claim 4, is characterized in that: the arranged outside of the outboard end in lock core (5), dead bolt (9) has self-locking nut (10).
6. apron board lock for equipment cabin of vehicular underframe according to claim 5, it is characterized in that:, lock core (5) upper at lock core (5), through the inside and outside two ends of lock body (1), is provided with a pair inner shield ring (7) and outer back-up ring (13).
7. apron board lock for equipment cabin of vehicular underframe according to claim 6, is characterized in that: between lock body (1) and skirtboard, be provided with sealing ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145848.XA CN102808552B (en) | 2011-06-01 | 2011-06-01 | Apron board lock for equipment cabin of vehicular underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145848.XA CN102808552B (en) | 2011-06-01 | 2011-06-01 | Apron board lock for equipment cabin of vehicular underframe |
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| CN102808552A CN102808552A (en) | 2012-12-05 |
| CN102808552B true CN102808552B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110145848.XA Active CN102808552B (en) | 2011-06-01 | 2011-06-01 | Apron board lock for equipment cabin of vehicular underframe |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556884A (en) * | 2013-10-25 | 2014-02-05 | 长春轨道客车股份有限公司 | Skirt board lock facilitating looseness judgment by visual inspection |
| CN103912158B (en) * | 2014-03-14 | 2016-04-20 | 广东格蓝特精密新技术有限公司 | A kind of train rotation lock and assembling jig thereof |
| CN105909661B (en) * | 2016-06-30 | 2018-12-28 | 青岛鸿裕吉轨道交通装备有限公司 | EMU skirtboard screw fastening |
| CN107869499A (en) * | 2016-09-27 | 2018-04-03 | 北京计算机技术及应用研究所 | A kind of Quick fastening solid lock |
| CN109185301A (en) * | 2018-10-17 | 2019-01-11 | 贵州航太精密制造有限公司 | A kind of light-duty locking device of unidirectional installation and opening and closing |
| CN112178036B (en) * | 2020-09-28 | 2022-02-22 | 若宇检具股份有限公司 | Thread self-locking device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415793A1 (en) * | 1994-05-05 | 1995-11-09 | Ammendorf Waggonbau | Access apron for underbody equipment of high speed rail vehicles |
| US6439016B1 (en) * | 1998-05-30 | 2002-08-27 | Huf Hülsbeck & Fürst GmbH & Co., KG | Closing device for closing functions in vehicles in particular |
| CN1563654A (en) * | 2004-03-13 | 2005-01-12 | 祁志刚 | Separation and reunion type theftproof lock |
| CN201400173Y (en) * | 2009-04-13 | 2010-02-10 | 南车青岛四方机车车辆股份有限公司 | Air inlet apron board of rail car equipment cabin |
| CN201419706Y (en) * | 2009-05-18 | 2010-03-10 | 唐山轨道客车有限责任公司 | Apron board locking structure for high-speed motor train unit |
| CN201516849U (en) * | 2009-10-14 | 2010-06-30 | 青岛四方庞巴迪铁路运输设备有限公司 | Cabin apron board structure of vehicle chassis equipment |
| CN202115525U (en) * | 2011-06-01 | 2012-01-18 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock for equipment cabin of vehicular underframe |
-
2011
- 2011-06-01 CN CN201110145848.XA patent/CN102808552B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415793A1 (en) * | 1994-05-05 | 1995-11-09 | Ammendorf Waggonbau | Access apron for underbody equipment of high speed rail vehicles |
| US6439016B1 (en) * | 1998-05-30 | 2002-08-27 | Huf Hülsbeck & Fürst GmbH & Co., KG | Closing device for closing functions in vehicles in particular |
| CN1563654A (en) * | 2004-03-13 | 2005-01-12 | 祁志刚 | Separation and reunion type theftproof lock |
| CN201400173Y (en) * | 2009-04-13 | 2010-02-10 | 南车青岛四方机车车辆股份有限公司 | Air inlet apron board of rail car equipment cabin |
| CN201419706Y (en) * | 2009-05-18 | 2010-03-10 | 唐山轨道客车有限责任公司 | Apron board locking structure for high-speed motor train unit |
| CN201516849U (en) * | 2009-10-14 | 2010-06-30 | 青岛四方庞巴迪铁路运输设备有限公司 | Cabin apron board structure of vehicle chassis equipment |
| CN202115525U (en) * | 2011-06-01 | 2012-01-18 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock for equipment cabin of vehicular underframe |
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| CN102808552A (en) | 2012-12-05 |
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Address after: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Sifang Alstom railway transportation equipment Co.,Ltd. Address before: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province 266111 Patentee before: BOMBARDIER SIFANG (QINGDAO) TRANSPORTATION Ltd. |
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