CN204899496U - Locking device of automobile body chassis equipment compartment skirtboard - Google Patents
Locking device of automobile body chassis equipment compartment skirtboard Download PDFInfo
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- CN204899496U CN204899496U CN201520368703.XU CN201520368703U CN204899496U CN 204899496 U CN204899496 U CN 204899496U CN 201520368703 U CN201520368703 U CN 201520368703U CN 204899496 U CN204899496 U CN 204899496U
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Abstract
The utility model relates to a locking device of automobile body chassis equipment compartment skirtboard, including the lock body be provided with rotatable lock core inside the lock body the tip of lock body is equipped with a set of stop collar and slip cap with the axle sleeve, be provided with the structure of splining between stop collar and the slip cap, the cover is equipped with the spring between slip cap and the lock core the lock core passes the outer tip of lock body has the internal thread hole, the spring bolt cover is established the outer tip of lock core will through the screw spring bolt and lock core fastening fix on together. The utility model discloses can realize self -locking function, can avoid vehicle operation in -process skirtboard to take place the incident that drops and arouse effectively, overall structure is simpler moreover, and is as an organic whole with the lock core fastening with the spring bolt through the screw, has still realized integral erection and dismantlement, still make the installation with dismantle more convenient, installation time sparingly.
Description
Technical field
The utility model relates to a kind of locking device used on rail vehicle, particularly a kind of locking device for locking vehicle body bottom frame equipment compartment apron board, belongs to rail vehicle manufacturing technology field.
Background technology
The domestic rail vehicle such as passenger train, EMUs put into effect at present, for saving interior space and being convenient to installation, the pipe of configuration device device, line, is installed to below vehicle body bottom frame by vehicle arrangement usually, namely forms equipment compartment under the car of centralized configuration.
Existing vehicle body bottom frame equipment compartment adopts aluminium plate structure, and design focal point is placed in the sealing performance of equipment compartment apron board, for existing speed per hour has reached 200 kilometers and above high speed railway car, there is following shortcoming:
Existing equipment cabin apron board lock structure can not self-locking, dead bolt must be blocked by outer check, to prevent from unclamping due to vibration when train high-speed cruising; Latch plate stop configurations is comparatively complicated, there is installation procedure loaded down with trivial details, need repeatedly 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.
For solving the problem, be in " apron board lock for equipment cabin of vehicular underframe " patent of CN201110145848.X in the patent No., provide a kind of locking device of skirtboard, one group of stop collar and slip cap is provided with in the inside of lock body, the rotation spline structure matched by stop collar and slip cap, make this skirtboard realize auto-lock function, ensure to unclamp due to vibration when train high-speed cruising.But the structure relative complex of this locking device, and need dead bolt to disassemble from lock body when mounted, be separately mounted on skirtboard, installation and removal process comparatively bothers.For this reason, special proposition the application.
Utility model content
The utility model main purpose is to solve the problem, and provides a kind of structure more simple, mounts and dismounts the locking device of convenient vehicle body bottom frame equipment compartment apron board.
For achieving the above object, the technical solution of the utility model is:
A kind of locking device of vehicle body bottom frame equipment compartment apron board, comprise lock body, described lock body inside is provided with rotatable lock core, one group of stop collar and slip cap is provided with at the end coaxial sleeve of described lock body, spline structure is provided with between described stop collar and slip cap, spring is arranged with between described slip cap and lock core, the outer end passing described lock body at described lock core has internal thread hole, described lock bolt sleeve is located at the outer end of described lock core, together with being fastened with lock core by described dead bolt by screw.
Further, described spline structure comprises and is arranged on the spline groove that spline on described slip cap outer wall is protruding and be arranged on described stop collar inwall, and it is 4 right that the protruding and spline groove of described spline is circumferentially evenly provided with.
Further, the external surface of described spline projection and the inner surface of spline groove are the cambered surface cooperatively interacted.
Further, elastic washer is set at described screw and between described dead bolt and the outer end of lock core.
Further, the side of described dead bolt is provided with reinforcing rib.
Further, described reinforcing rib and described dead bolt integrally casting shaping.
Further, inner shield ring is provided with at described lock body through the tip inside of described lock core and described lock core.
Further, the excircle of described lock core is provided with a ring annular groove, be provided with for enclosing inner seal ring with one of described lock body inner wall sealing in described annular groove, the outer circumference surface that described lock body contacts with skirtboard is provided with a circle annular seal groove, the exterior seal ring that a circle is used for sealing with skirtboard is installed in described annular seal groove.
Further, described lock body is fixed on skirtboard by locking nut.
To sum up content, the locking device of a kind of vehicle body bottom frame equipment compartment apron board described in the utility model, compared with prior art tool has the following advantages:
(1) by the cooperation of stop collar and slip cap, realize auto-lock function, skirtboard in vehicle operation can be effectively avoided to come off caused security incident, and eliminate the structures such as outer back-up ring of the prior art, self-locking nut, overall structure is simpler, by screw, dead bolt and lock core are fastened as a whole, also achieve integral installation and the dismounting of locking device, make installation and removal more convenient, save the set-up time, also be conducive to digesting the processing between locking device, skirtboard and latch plate and alignment error simultaneously, reduce installation difficulty.
(2) the protruding and spline groove of spline be circumferentially evenly provided with 4 right, thus guarantee the locking of this locking device and opening operation accurate.And, adopt cambered surface to coordinate between the protruding and spline groove of spline, be conducive to the mechanical processing difficulty reducing spline projection and spline groove, and then ensure its machining accuracy, and be easier to spline projection and be embedded in spline groove.
(3) on dead bolt, integrally casting forms reinforcing rib, can improve the strength and stiffness of dead bolt, and ensureing when vehicle high-speed runs can effective locking skirtboard.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2.
As shown in Figure 1 to Figure 3, lock body 1, lock core 2, dead bolt 3, internal thread hole 4, screw 5, positioning table 6, elastic washer 7, stop collar 8, slip cap 9, spring 10, inner shield ring 11, spline projection 12, spline groove 13, reinforcing rib 14, annular groove 15, inner seal ring 16, annular seal groove 17, exterior seal ring 18, back-up ring 19, groove 20, self-locking nut 21.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, the utility model provides a kind of locking device of vehicle body bottom frame equipment compartment apron board, be fixedly mounted on skirtboard, underframe mounting rail is provided with the latch plate for the skirtboard that locks, skirtboard is locked on underframe mounting rail by locking device, when needing the equipment in service equipment cabin, open skirtboard by unlocking locking device.
As depicted in figs. 1 and 2, locking device comprises lock body 1, lock body 1 is fixed on skirtboard by self-locking nut 21, lock body 1 inside is provided with rotatable lock core 2, and the outer end of lock core 2 passes from lock body 1, and dead bolt 3 is sheathed and be fastened on the outer end of lock core 2, it is glade plane space fit structure between lock core 2 and lock body 1, lock core 2 can rotate around its axis in the inside of lock body 1, and and then drive dead bolt 3 to rotate, dead bolt 3 coordinates the locking that realizes skirtboard and opens with latch plate.Lock body 1 entirety in the present embodiment adopts stainless steel, and existing good appearance and modeling, anticorrosion again, can also meet equipment compartment light-weight design, has both met the operating mechanical strength of rail vehicle, has met aerodynamic demands again.
In the present embodiment, the outer end passing lock body 1 at lock core 2 has internal thread hole 4, dead bolt 3 is set in the outer end of lock core 2, the outer wall of lock core 2 has positioning table 6, for limiting the installation site of dead bolt 3, finally by screw 5 is tightened in internal thread hole 4, dead bolt 3 and lock core 2 are tightened together, between screw 5 and the outer end of dead bolt 3 and lock core 2, be also provided with a circle elastic washer 7.Dead bolt 3 and lock core 2 are fastened as a whole by screw 5 by the present embodiment, not only make overall structure simpler, in addition, integral installation and dismounting can be realized during installation and removal, mount and dismount more simple and convenient, save the set-up time, be also conducive to digesting the processing between locking device, skirtboard and latch plate and alignment error simultaneously, reduce installation difficulty.
As shown in Figures 2 and 3, one group of stop collar 8 and slip cap 9 is provided with at the leading section coaxial sleeve of lock body 1, stop collar 8 is enclosed within the outside of slip cap 9, slip cap 9 is set on the leading section of lock core 2, be provided with spline structure between stop collar 8 and slip cap 9, between slip cap 9 and lock core 2, be also arranged with spring 10.At lock body 1 for being provided with a circle inner shield ring 11 through the tip inside of lock core 2 and lock core 2, lock core 2 is fixed on the inside of lock body 1 by slip cap 9, spring 10 and inner shield ring 11, prevents the horizontal looseness of lock core 2 in lock body 1.The outer wall of stop collar 8 has outwardly back-up ring 19, the inwall of lock body 1 has groove 20, back-up ring 19 fixes and makes stop collar 8 be fixed on lock body 1 in groove 20, can not deviate from from lock body 1.
As shown in Figure 3, spline structure between stop collar 8 and slip cap 9 comprises the spline protruding 12 be arranged on slip cap 9 outer wall and the spline groove 13 be arranged on stop collar 8 inwall, it is 4 right that spline protruding 12 and spline groove 13 are circumferentially evenly provided with, and 4 are arranged in cross-shaped.No matter be in locked position or the position unlocked, all coordinate location by 4 pairs of splines protruding 12 and spline groove 13, tight buckle can be realized between spline protruding 12 and spline groove 13, thus guarantee the locking of locking device and opening operation accurate, limit the different positioning states of dead bolt 3, realize fully auto-lock function, improve the connective stability of equipment compartment apron board lock construction, safety, avoid causing locking device automatically to unclamp the generation of phenomenon because of skirtboard vibrations, the phenomenon of throwing off can not be there is when vehicle high-speed runs, ensure traffic safety.
Slip cap 9 moves a segment distance along lock core 2 under the effect of corner key in lock body 1, this process spring 10 is compressed, spline projection 12 on slip cap 9 moves out from the spline groove 13 stop collar 8, twisting key by slip cap 9 and lock core 2 half-twist to locked position, lock core 2 drives dead bolt 3 to rotate together simultaneously, extract key, slip cap 9 moves to the leading section of lock body 1 under the elastic force effect of spring 10, spline projection 12 again correspondence is embedded in mutual buckle in spline groove 13, until slip cap 9 and the consistent position of lock body 1 external surface.If fail slip cap 9 and lock core 2 to rotate to locked position when twisting key, when extracting key, spline projection 12 cannot be embedded in spline groove 13, makes slip cap 9 can not be concordant with the outer face of lock body 1, represent that lock is not blocked, be easy to operating personnel and identify duty.In addition, this lock only needs key half-twist to complete to open or the function of locking skirtboard, easy to operate, saves time, safe and reliable.Meanwhile, this structure is only under the effect of key, and dead bolt 3 clockwise or could be rotated counterclockwise 90 °, and in addition, any external force can not make dead bolt 3 rotate, and ensures that apron board lock is in train travelling process, there will not be the phenomenon of automatically unclamping thus.
In the present embodiment, the external surface of spline projection 12 and the inner surface of spline groove 13 adopt the arc shape cooperatively interacted, be conducive to the mechanical processing difficulty reducing spline protruding 12 and spline groove 13, and then its machining accuracy can be ensured, and be easier to spline projection 12 and be embedded in spline groove 13.
The excircle of lock core 2 is provided with a ring annular groove 15, be provided with for enclosing inner seal ring 16 with one of lock body 1 inner wall sealing in annular groove 15, while lock core 2 rotates in lock body 1, inner seal ring 16 plays the sealing function between lock body 1 and lock core 2.Be provided with a circle annular seal groove 17 equally on the outer circumference surface that lock body 1 and skirtboard contact, in annular seal groove 17, also install a circle exterior seal ring 18, lock body 1 is when being installed on skirtboard, and exterior seal ring 18 realizes the sealing between lock body 1 and skirtboard.Above-mentioned two seals structure, makes apron board structure connection sealing can be better, and moisture or dust not easily enter into equipment compartment from locking device, can effectively for the safe handling of equipment under car provides protection.
As shown in Figure 2, the side of dead bolt 2 is provided with reinforcing rib 14, reinforcing rib 14 is shaping with dead bolt 2 integrally casting, to improve bulk strength and the rigidity of dead bolt 2, meets aerodynamic demands, and ensureing when vehicle high-speed runs can effective locking skirtboard.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be that not depart from originally be the content of utility model technical scheme, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. the locking device of a vehicle body bottom frame equipment compartment apron board, comprise lock body, described lock body inside is provided with rotatable lock core, one group of stop collar and slip cap is provided with at the end coaxial sleeve of described lock body, spline structure is provided with between described stop collar and slip cap, spring is arranged with between described slip cap and lock core, it is characterized in that: the outer end passing described lock body at described lock core has internal thread hole, lock bolt sleeve is located at the outer end of described lock core, together with being fastened with lock core by described dead bolt by screw.
2. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, it is characterized in that: described spline structure comprises and is arranged on the spline groove that spline on described slip cap outer wall is protruding and be arranged on described stop collar inwall, it is 4 right that the protruding and spline groove of described spline is circumferentially evenly provided with.
3. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 2, is characterized in that: the external surface of described spline projection and the inner surface of spline groove are the cambered surface cooperatively interacted.
4. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, is characterized in that: arrange elastic washer at described screw and between described dead bolt and the outer end of lock core.
5. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, is characterized in that: the side of described dead bolt is provided with reinforcing rib.
6. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 5, is characterized in that: described reinforcing rib and described dead bolt integrally casting shaping.
7. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, is characterized in that: be provided with inner shield ring at described lock body through the tip inside of described lock core and described lock core.
8. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, it is characterized in that: on the excircle of described lock core, be provided with a ring annular groove, be provided with for enclosing inner seal ring with one of described lock body inner wall sealing in described annular groove, the outer circumference surface that described lock body contacts with skirtboard is provided with a circle annular seal groove, the exterior seal ring that a circle is used for sealing with skirtboard is installed in described annular seal groove.
9. the locking device of a kind of vehicle body bottom frame equipment compartment apron board according to claim 1, is characterized in that: described lock body is fixed on skirtboard by locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368703.XU CN204899496U (en) | 2015-06-01 | 2015-06-01 | Locking device of automobile body chassis equipment compartment skirtboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368703.XU CN204899496U (en) | 2015-06-01 | 2015-06-01 | Locking device of automobile body chassis equipment compartment skirtboard |
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| Publication Number | Publication Date |
|---|---|
| CN204899496U true CN204899496U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368703.XU Active CN204899496U (en) | 2015-06-01 | 2015-06-01 | Locking device of automobile body chassis equipment compartment skirtboard |
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| Country | Link |
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| CN (1) | CN204899496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909661A (en) * | 2016-06-30 | 2016-08-31 | 青岛鸿裕吉轨道交通装备有限公司 | Thread lock for skirt board of motor train unit |
-
2015
- 2015-06-01 CN CN201520368703.XU patent/CN204899496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909661A (en) * | 2016-06-30 | 2016-08-31 | 青岛鸿裕吉轨道交通装备有限公司 | Thread lock for skirt board of motor train unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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: 266111 No. 86, Jinhong East Road, Jihongtan Town, Chengyang District, Qingdao City, Shandong Province Patentee before: BOMBARDIER SIFANG (QINGDAO) TRANSPORTATION Ltd. |