CN208585238U - A kind of locking device and train - Google Patents
A kind of locking device and train Download PDFInfo
- Publication number
- CN208585238U CN208585238U CN201820876826.8U CN201820876826U CN208585238U CN 208585238 U CN208585238 U CN 208585238U CN 201820876826 U CN201820876826 U CN 201820876826U CN 208585238 U CN208585238 U CN 208585238U
- Authority
- CN
- China
- Prior art keywords
- grab
- pawl
- handwheel
- connecting pin
- locking device
- 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.)
- Active
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model relates to lock technical field, a kind of locking device and train are disclosed, wherein locking device includes: flexible grab, rotation grab, telescoping mechanism and retaining mechanism；The connecting pin of the flexible grab is connected with the telescopic end of the telescoping mechanism, and the connecting pin of the rotation grab is hingedly arranged between the telescopic end and connecting pin of the telescoping mechanism；And the flexible grab is oppositely arranged with the rotation grab；The connecting pin of the telescoping mechanism is connected with the locking end of the retaining mechanism, and the retaining mechanism is for locking the telescoping mechanism.Locking device provided by the utility model, the bill of flexible grab and the bill of rotation grab provide from inside to outside hook power, and rotation grab neck of hook end provide from the outside to the core hook power, so that the locking device is solid and reliable, and remain to reliably lock when the hole wall of the casting hole of hitch is relatively thin.
Description
Technical field
The utility model relates to retaining mechanism fields, more particularly to a kind of locking device and train.
Background technique
Train tail apparatus is also to be important iron to improve the safety of railway transportation and the special transport safety device developed
Road travelling facility.Before each train departure, it is responsible for for train tail apparatus being locked at the tail portion of train by special operating personnel.
It is a kind of for including: 1~2 " V-type " work by the retaining mechanism of train tail apparatus locking ON TRAINS in the prior art
Dynamic grab, telescopic locking device, 1~2 " V-type " fixed grab and column base disk.Movable grab is fixed on telescopic locking device
One end of telescoping section, fixed grab is fixed on the telescopic locking device other end, and is fixed together with column base disk.Column tail dress
It sets and is fixed on column base disk.By the way that a fixed grab and a movable grab to be hooked to two castings in last vehicle of train hitch
Train tail apparatus is fixed in pore-creating.
But the structure of the retaining mechanism is inflexible, it is time-consuming and laborious when train tail apparatus is fixed on train；Work as hitch
Casting hole hole wall it is relatively thin when, car body cannot be hooked；Further more, often having handwheel not since train tail apparatus use environment is more severe
Be able to rotate, lock core it is greasy dead by sand and dust, the phenomenon that causing train tail apparatus that cannot separate from train.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of locking device and trains, it is intended at least the solution prior art or related skill
One of technical problem present in art.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of locking device, comprising: flexible grab, revotating card
Hook, telescoping mechanism and retaining mechanism；The connecting pin of the flexible grab is connected with the telescopic end of the telescoping mechanism, the rotation
The connecting pin of grab is hingedly arranged between the telescopic end and connecting pin of the telescoping mechanism；And the flexible grab with it is described
Rotation grab is oppositely arranged, and hooks space for hook last vehicle of train hitch to be formed；The connecting pin of the telescoping mechanism with
The locking end of the retaining mechanism is connected, and the retaining mechanism is for locking the telescoping mechanism.
Wherein, the flexible grab includes at least one first hook, and the connecting pin of first hook is stretched with described
The telescopic end of mechanism is connected；The rotation grab includes at least one second hook, and the connecting pin of second hook is rotatable
Ground is arranged between the telescopic end and connecting pin of the telescoping mechanism.
Wherein, the telescoping mechanism includes telescopic rod, axle sleeve and screw rod；The telescopic rod is set in outside the screw rod, and
The telescopic end of the telescopic rod is connected with the connecting pin of the flexible grab, and the other end is connect with the screw flight；The spiral shell
The connecting pin of bar is connected with the locking end of the retaining mechanism；The axle sleeve is set in outside the telescopic rod, and the telescopic rod
It can slide axially along the axle sleeve close to one end of the flexible grab, the lock of the other end of the axle sleeve and the retaining mechanism
Tight end is connected；The connecting pin of the rotation grab is connected by shaft with the outer wall of the axle sleeve.
Wherein, the retaining mechanism includes handle ratchet wheel, pawl, lock core and elastic element；The handle ratchet wheel is located at the axis
The other end of set；The diameter of the other end of the screw rod and the interior diameter of the handle ratchet wheel match, and the screw rod is another
End is equipped with T-slot, and the pawl and the elastic element are both placed in the T-slot, and the elastic element is located at the spine
Between the outer wall of pawl and the side wall of the T-slot；The teeth of the pawl are opposite with the tooth socket on the handle ratchet wheel；And the spine
Pawl can the direction of tooth socket along being directed toward or away from the handle ratchet wheel slide so that the pawl engages or loose with the handle ratchet wheel
It opens；The pawl has groove, and the lock core is placed in the groove.
Wherein, the retaining mechanism further includes handwheel；The handwheel is set in outside the handle ratchet wheel, and the handwheel with
Circlip retaining ring is equipped between the axle sleeve；The handwheel is connected with the screw rod by synchronous pin.
Wherein, the handwheel is equipped with lockhole away from the side of the screw rod, and the lockhole is horizontally through the handwheel and institute
Lock core is stated to be connected；The handwheel is equipped with spare lockhole, the tooth of the spare lockhole and the pawl away from the side of the screw rod
Tooth is opposite.
Wherein, the handwheel is equipped with cover plate away from the side of the screw rod, and the cover plate is for blocking the spare lock
Hole；At least one blind hole is set around the periphery of the handwheel, so that screwdriver is inserted into the blind hole.
Wherein, the locking device, further includes: column base disk；One end of the column base disk and the rotation grab
It is connected；And the top of the column base disk is connected with train tail apparatus, the lower edge of bottom surface and the handwheel, flexible grab bottom surface with
And the bottom surface of rotation grab is in same plane.
Wherein, the lock core is cam type towards the side of the pawl, and the cam type of the lock core is partially disposed in described
In groove on pawl, the lock core and the pawl are cam driven cooperation.
The utility model also provides a kind of train, comprising: above-mentioned locking device.
(3) beneficial effect
Locking device and train provided by the utility model, in the locked condition, the bill and rotation grab of the grab that stretches
Bill hooked in the casting hole of last vehicle of train hitch respectively, it is possible to provide from inside to outside hook power；Meanwhile rotating the hook of grab
The end of handle portion holds out against the hitch outer wall between the casting hole of hitch, it is possible to provide from the outside to the core hook power.Two kinds hook power
Collective effect may make that locking device is solid and reliable, and remain to reliably lock when the hole wall of the casting hole of hitch is relatively thin.And
Telescoping mechanism and rotation grab are hinged, while flexible grab is opened and closed along the axis direction of telescoping mechanism, rotate grab
Also it is able to rotate, the neck of hook end of rotation grab is enabled to hold out against hitch outer wall.So set, the locking device adaptability is more
Extensively, it installs more reliable.Also, in the hitch casting hole for hooking same distance, locking machine provided in the utility model
The opening that structure needs to open is smaller, and the circle number for locking hand wheel rotating is less, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the bottom view of a preferred embodiment of the utility model locking device；
Fig. 2 is the explosive view of locking device shown in FIG. 1；
Fig. 3 is cross-sectional view of the locking device described in Fig. 1 along the face A-A；
Fig. 4 is cross-sectional view of the locking device described in Fig. 1 along the face D-D, wherein figure (a) is that pawl and handle ratchet wheel are in occlusion
State, figure (b) are that pawl and handle ratchet wheel are in disengaged condition；
Fig. 5 is structural schematic diagram of the handwheel after the side of screw rod removal cover plate in locking device described in Fig. 1；
In figure, 1- stretches grab；The bill of the flexible grab of 1.1-；2- rotates grab；2.1- rotating the bill of grab；2.2-
Rotate the neck of hook end of grab；3- column base disk；4- telescopic rod；5- rotation stop key；6- axle sleeve；7- shaft；8- handwheel；9- screw rod；
10- spring；11- synchronizes pin；12- pawl；13- lock core；14- cover plate；15- screw；16- circlip retaining ring；17- handle ratchet wheel.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The locking device of the utility model is used to for train tail apparatus being locked at the hitch of last vehicle of train, which is equipped with
Multiple row casting hole, each column casting hole include at least two casting holes arranged up and down.
Fig. 1 shows a preferred embodiment of the utility model locking device, as depicted in figs. 1 and 2, locking dress
Set includes: flexible grab 1, rotation grab 2, telescoping mechanism and retaining mechanism；The flexible connecting pin of grab 1 and stretching for telescoping mechanism
Contracting end is connected, and the connecting pin of rotation grab 2 is hingedly arranged between the telescopic end of telescoping mechanism and connecting pin；And flexible card
Hook 1 is oppositely arranged with rotation grab 2, hooks space for hook last vehicle of train hitch to be formed；The connecting pin of telescoping mechanism
It is connected with the locking end of retaining mechanism, retaining mechanism is for locking telescoping mechanism.
Specifically, similar anti-" 7 " font of the shape of flexible grab 1 rotates the shape of grab 2 similar to fishhook-type, such as Fig. 1 institute
Show.And flexible grab 1 is oppositely arranged with rotation grab 2, that is, the opening of flexible grab 1 is opposite with the rotation opening of grab 2.It stretches
The connecting pin of contracting grab 1 is connected with the telescopic end of telescoping mechanism, that is, the grab 1 that stretches is far from the end and telescoping mechanism of bill
The end of retractable member is connected, for example, the connection relationship of the two is welding, is spirally connected or rivets.And rotation grab 2
Connecting pin is hingedly arranged between the telescopic end of telescoping mechanism and connecting pin, for example, the connecting pin of rotation grab 2 passes through shaft
7 are hingedly arranged between the telescopic end of telescoping mechanism and connecting pin.
Before on the hitch that train tail apparatus is locked at last vehicle of train using the locking device, which stretches
Grab 1 is in stretching state, and flexible grab 1 and telescoping mechanism 7 are transported together to the direction far from rotation grab 2 around the shaft
Dynamic, retaining mechanism is in the open state at this time；On the hitch that train tail apparatus is locked at last vehicle of train using the locking device
When, firstly, the bill 2.1 for rotating grab 2 is hooked in a casting hole of last vehicle of train hitch；Then telescoping mechanism drive is stretched
Contracting grab 1 is moved to close to the direction of rotation grab 2, until the bill 1.1 of flexible grab 1 is hooked the another of last vehicle of train hitch
In one casting hole；Flexible grab 1 is driven to move along towards the direction of rotation grab 2 by telescoping mechanism, so that flexible grab 1
The distance between rotation grab 2 constantly reduces, then the bill 1.1 for the grab 1 that stretches and the bill 2.1 of rotation grab 2 push up respectively
The inner wall of tight casting hole；And rotation grab 2 rotates under the action of tightening force, then its 2.2 end of neck of hook holds out against two castings
Hitch outer wall between pore-creating.And when telescoping mechanism drives flexible grab 1 to move to the direction close to rotation grab 2, at this time
Retaining mechanism is in locking states, then is not in the case where telescoping mechanism loosens.So set, locking device installation is firm
And adapt to the hitch of more different casting hole wall thickness；And since flexible grab 1 can be rotated around rotation grab 2, locking dress
When setting two casting holes for being locked at same distance, the extended distance of flexible grab 1 and rotation grab 2 need not open it is too big,
It is all time saving and energy saving when the locking device to open and lock, easy to operate.
In the present embodiment, in the locked condition, the bill of the bill of flexible grab and rotation grab hooks train respectively
In the casting hole of tail portion hitch, it is possible to provide from inside to outside hook power；Meanwhile the neck of hook end 2.2 for rotating grab holds out against hitch
Casting hole between hitch outer wall, it is possible to provide from the outside to the core hook power.Two kinds hook power collective effect and locking may make to fill
It sets solid and reliable, and remains to reliably lock when the hole wall of the casting hole of hitch is relatively thin.
Further, the grab 1 that stretches includes at least one first hook, the connecting pin of the first hook and stretching for telescoping mechanism
Contracting end is connected；Rotating grab 2 includes at least one second hook, and the connecting pin of the second hook can be rotatably set in telescoping mechanism
Telescopic end and connecting pin between.As shown in Fig. 2, for example, flexible grab 1 includes two the first hooks being arranged in juxtaposition, rotation
Grab 2 includes two the second hooks being arranged in juxtaposition；Then the flexible grab 1 can hook simultaneously one group of last vehicle of train hitch it is perpendicular
Into the casting hole being arranged in juxtaposition and the rotation grab 2 can hook one group of last vehicle of train hitch vertically cloth arranged side by side simultaneously
In the casting hole set, i.e., two casting holes being arranged in juxtaposition are one group.So that the locking device can be more stable will column
Tail apparatus is locked at last vehicle of train.In addition, the quantity of the first hook and the second hook can also be arranged interdependently as needed.
Further, telescoping mechanism includes telescopic rod 4, axle sleeve 6 and screw rod 9；Telescopic rod 4 is set in outside screw rod 9, and is stretched
The telescopic end of contracting bar 4 is connected with flexible grab 1, and connecting pin is threadedly coupled with screw rod 9；The connecting pin of screw rod 9 and retaining mechanism
Locking end is connected；Axle sleeve 6 is set in outside telescopic rod 4, and telescopic rod 4 can be axially sliding close to one end of flexible grab 1 along axle sleeve 6
Dynamic, the other end of axle sleeve 6 is connected with the locking end of retaining mechanism；The connecting pin for rotating grab 2 passes through the outer of shaft 7 and axle sleeve 6
Wall is connected.
For example, being provided with groove on the outer wall that telescopic rod 4 is connected with the end of axle sleeve 6, and on the inner wall of 6 end of axle sleeve
Corresponding position be also provided with groove, and be connected in two grooves by rotation stop key 5, that is, flexible being driven by the rotation of screw rod 9
, it can be achieved that telescopic rod 4 slides axially along axle sleeve 6 close to one end of flexible grab 1 when bar 4 moves along a straight line；And axle sleeve 6 and telescopic rod
It will not relatively rotate between 4.For example, the connection relationship of the connecting pin of the telescopic end of telescopic rod 4 and flexible grab 1 is weldering
It connects, be bolted or rivet；It then can be achieved that flexible grab 1 is driven to move along the axis direction of telescopic rod 4 by telescopic rod 4,
Realize the folding of flexible grab 1 with rotation grab 2.And the connecting pin of rotation grab 2 passes through the outer of shaft 7 and axle sleeve 6
Wall is connected, for example, rotation grab 2 is rotatably connected with shaft 7, and the outer wall of axle sleeve 6 and shaft 7 are hinged, then rotate grab 2
It can 7 rotation around the shaft.
Then on the hitch that train tail apparatus is locked at last vehicle of train using the locking device before, retaining mechanism is at this time
Opening state, retaining mechanism both can to release rotationally clockwise and also that locks rotates in an anti-clockwise direction；It is flexible
Grab is in stretching state, and by driving retaining mechanism rotation, so that flexible grab 1 and telescoping mechanism together around the shaft 7
It is rotated to the direction far from rotation grab 2.When train tail apparatus is locked on the hitch of last vehicle of train using the locking device,
Retaining mechanism is in locking states at this time, and retaining mechanism can only rotating in an anti-clockwise direction to locking；Firstly, grab 2 will be rotated
Bill 2.1 hook in a casting hole of last vehicle of train hitch；Then retaining mechanism is rotated counterclockwise, so that flexible grab 1
It is rotated with telescoping mechanism to close to the direction of rotation grab 2, until the bill 1.1 of flexible grab 1 is hooked last vehicle of train hitch
Another casting hole in.
After the inner wall for the casting hole that flexible grab 1 and rotation grab 2 hook last vehicle of train hitch, locked by driving
Mechanism, which rotates counterclockwise, drives screw rod 9 to rotate, and screw rod 9 drives telescopic rod 4 for linear motion, for example, driving lock counterclockwise
Tight mechanism, then screw rod 9 also rotates counterclockwise, so that screw rod 9 drives telescopic rod 4 along the direction straight line towards retaining mechanism
Advance, and then realizes flexible grab 1 and rotate closing up for grab 2；Meanwhile it constantly being tightened in flexible grab 1 and rotation grab 2
During, rotation grab 2 rotates under the action of tightening force, and neck of hook end holds out against outer between two column casting holes on hitch
Wall, and then train tail apparatus is more steadily locked on the hitch of last vehicle of train.
Further, retaining mechanism includes handle ratchet wheel 17, pawl 12, lock core 13 and elastic element；Handle ratchet wheel 17 is located at axis
The other end of set 6；The diameter of the other end of screw rod 9 and the interior diameter of handle ratchet wheel 17 match, and the other end of screw rod 9 is equipped with T
Type groove, pawl 12 and elastic element are both placed in T-slot, and elastic element is located between the outer wall of pawl and the side wall of T-slot；
The teeth of pawl 12 are opposite with the tooth socket on handle ratchet wheel 17；And pawl 12 can be along direction or the direction of the tooth socket away from handle ratchet wheel 17
Sliding, so that pawl 12 is engaged or unclamped with handle ratchet wheel 17；Pawl 12 has groove, and lock core 13 is placed in groove.It is preferred that
Ground, lock core 13 towards the side of pawl 12 be cam type；The cam type of lock core 13 is partially disposed in the groove on pawl 12, lock core
13 with pawl 12 be cam driven cooperate.
For example, the other end of handle ratchet wheel 17 and axle sleeve 6 is integrally formed, i.e., have in axle sleeve 6 far from one end of flexible grab 1
Handle ratchet wheel 17.And the other end of screw rod 9 and the size of handle ratchet wheel 17 match, for example, in screw rod 9 far from flexible grab 1
One end be equipped with ring flange, and the overall diameter of the ring flange and the interior diameter of handle ratchet wheel 17 match, then the ring flange are arranged
In the inside of handle ratchet wheel 17, that is, the outer surface of ring flange is close with the teeth of handle ratchet wheel 17.Alternatively, ring flange and screw rod 9
The other end is integrally formed, that is, the shape of the other end of screw rod 9 is in flange-type, then the outer surface of the other end of screw rod 9 and handle ratchet wheel
17 teeth are close.
And it is equipped with T-slot in the other end of screw rod 9, for example, T-slot is arranged along the radial direction of ring flange, such as Fig. 3
With shown in Fig. 4.And pawl 12 is also T-type structure, pawl 12 is slidably disposed in the T-slot, and the pawl is towards lock core
Groove on one side with a placement lock core 13；For example, the central location of the part of pawl 12 is arranged in the groove.And
Elastic element is equipped between an end face of the pawl 12 far from teeth and the phase proximal side of the T-slot, for example, elastic element is
The element that can restore after spring 10 or other compressions.
Side of the lock core 13 far from pawl 12 is the shape cooperated with key, and the side of lock core 13 towards pawl 12 is set as convex
Wheel-type, and the cam type of lock core 13 is partially disposed in the groove of pawl 12；The then side of the cam of lock core 13 and 12 upper groove of pawl
Wall is cam driven cooperation.For example, the cam side of lock core 13 is contacted with the groove of pawl 12 when original state, elasticity is first at this time
Part is in compressive state, as shown in Fig. 4 (b)；Lock core 13 then is stirred in forward direction, so that elastic element drives pawl 12 along direction
The direction of the tooth socket of handle ratchet wheel 17 moves, so that pawl 12 is meshed with handle ratchet wheel 17, as shown in Fig. 4 (a).This state
Under, retaining mechanism can only rotating counterclockwise to locking.And then reversely stir the cam side that lock core 13 makes lock core 13
It is contacted again with pawl 12, then moves pawl 12 along the direction of the tooth socket away from handle ratchet wheel 17, so that pawl 12
It is unclamped with handle ratchet wheel 17, elastic element is compressed at this time, as described in Fig. 4 (b).Under this state, retaining mechanism can be to locking
It rotates counterclockwise, can also be rotated to the suitable pointer direction loosened.Such locking mechanism structure is stablized, easy to operate, and side
Just lock and open the retaining mechanism.Retaining mechanism of structure is used cooperatively with above-mentioned telescoping mechanism in this, can effectively be prevented
Only telescoping mechanism, which rotates backward, gets loose, and improves the reliability and stability of locking device.
Further, retaining mechanism further includes handwheel 8；Handwheel 8 is set in outside handle ratchet wheel 17, and handwheel 8 and axle sleeve 6 it
Between be equipped with circlip retaining ring 16；Handwheel 8 is connected with screw rod 9 by synchronous pin 11.For example, in the side that handwheel 8 is contacted with screw rod 9
Equipped with blind hole, the side that screw rod 9 is contacted with handwheel 8 also is provided with blind hole, and synchronous pin 11 is arranged in two blind holes, so that hand
Wheel 8 and 9 synchronous rotary of screw rod.And circlip retaining ring 16 is set between handwheel 8 and axle sleeve 6, it can prevent handwheel 8 from having from axle sleeve 6
One end of handle ratchet wheel 17 falls off.And screw rod 9 can be more easily driven to rotate by rotation hand wheel 8, and then realize the locking device
Locking and opening function.
Preferably, handwheel 8 is equipped with lockhole away from the side of screw rod 9, and lockhole is horizontally through handwheel 8 and is connected with lock core 13；Hand
Wheel 8 is equipped with spare lockhole away from the side of screw rod 9, and spare lockhole is opposite with the teeth of pawl 12.Further, handwheel 8 deviates from
The side of screw rod 9 is equipped with cover plate 14, and cover plate 14 is for blocking spare lockhole；It is blind that at least one is set around the outer surface of handwheel 8
Hole, so that screwdriver is inserted into blind hole.For example, the side that lock core 13 is contacted with handwheel 8 is the structure for cooperating key, then by handwheel
8 are arranged lockhole away from the side of screw rod 9, and the lockhole is horizontally through handwheel 8 and is connected with lock core 13, then key can pass through the lockhole
It is inserted into lock core 13, to stir lock core 13 forward or backwards by key, so that pawl 12 and handle ratchet wheel 17 engage
Or it unclamps, achieve the purpose that control retaining mechanism locking or loosens.
And the side apparatus lockhole by deviating from screw rod 9 in handwheel 8, that is, be equipped in the axially external face of handwheel 8
Spare lockhole, and the spare lockhole is opposite with the teeth of pawl 12, as shown in figure 5, the spare lockhole is by outside under normal state
Cover plate 14 cover, for example, cover plate 14 is fixed on handwheel 8 by screw 15.When lock core 13 is greasy extremely or because of other not by sand and dust
When bright reason is not able to rotate, it can use lower cover slip 14, leak out spare lockhole, be inserted into spare lockhole with tools such as screwdrivers and push pawl aside
12, so that pawl 12 and handle ratchet wheel 17 are in releasing orientation, to achieve the purpose that unlocking.So set, can further improve
The reliability of dismounting reduces locking device non-detachable risk.
And at least one blind hole is set in the periphery of handwheel 8, for example, the periphery of handwheel 8 is equipped with multiple radial directions
Blind hole, when handwheel 8 rotates arduously；Alternatively, since sand and dust enter the inside of handwheel 8 or when other reasons cause handwheel 8 to rotate difficulty,
The circle rod-like instrument such as screwdriver can be used to be inserted into the blind hole as extension bar.It is arranged such relatively labor-saving, and improves the reliable of dismounting
Property, reduce the non-detachable risk of locking device.
Further, locking device, further includes: column base disk 3；One end of column base disk 3 is connected with rotation grab 2,
For example, the column base disk 3 is connected by shaft 7 with rotation grab 2；And the top of column base disk 3 is connected with train tail apparatus, bottom
The bottom surface of the lower edge of face and handwheel 8, the bottom surface of flexible grab 1 and rotation grab 2 is in same plane.It may make train tail apparatus
It rests easily on ground, will not topple over.
The utility model also provides a kind of train, including above-mentioned locking device.The locking device is used for the column of train
Tail apparatus is locked at last vehicle of train.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of locking device characterized by comprising flexible grab, rotation grab, telescoping mechanism and retaining mechanism；
The connecting pin of the flexible grab is connected with the telescopic end of the telescoping mechanism, and the connecting pin of the rotation grab is hingedly
It is arranged between the telescopic end and connecting pin of the telescoping mechanism；And the flexible grab is oppositely arranged with the rotation grab,
Space is hooked for hook last vehicle of train hitch to be formed；
The connecting pin of the telescoping mechanism is connected with the locking end of the retaining mechanism, and the retaining mechanism is for locking described stretch
Contracting mechanism.
2. locking device according to claim 1, which is characterized in that the flexible grab includes at least one first hook
The connecting pin of pawl, first hook is connected with the telescopic end of the telescoping mechanism；
The rotation grab includes at least one second hook, and the connecting pin of second hook can be rotatably set in described stretch
Between the telescopic end and connecting pin of contracting mechanism.
3. locking device according to claim 1, which is characterized in that the telescoping mechanism includes telescopic rod, axle sleeve and spiral shell
Bar；
The telescopic rod is set in outside the screw rod, and the connecting pin phase of the telescopic end of the telescopic rod and the flexible grab
Even, the other end is connect with the screw flight；
The connecting pin of the screw rod is connected with the locking end of the retaining mechanism；
The axle sleeve is set in outside the telescopic rod, and the telescopic rod can be along the axle sleeve close to one end of the flexible grab
It slides axially, the other end of the axle sleeve is connected with the locking end of the retaining mechanism；
The connecting pin of the rotation grab is connected by shaft with the outer wall of the axle sleeve.
4. locking device according to claim 3, which is characterized in that the retaining mechanism includes handle ratchet wheel, pawl, lock core
And elastic element；
The handle ratchet wheel is located at the other end of the axle sleeve；
The diameter of the other end of the screw rod and the interior diameter of the handle ratchet wheel match, and the other end of the screw rod is equipped with T
Type groove, the pawl and the elastic element are both placed in the T-slot, and the elastic element is located at the outer wall of the pawl
Between the side wall of the T-slot；
The teeth of the pawl are opposite with the tooth socket on the handle ratchet wheel；And the pawl can be along direction or away from the handle ratchet wheel
Tooth socket direction sliding so that the pawl is engaged or is unclamped with the handle ratchet wheel；
The pawl has groove, and the lock core is placed in the groove.
5. locking device according to claim 4, which is characterized in that the retaining mechanism further includes handwheel；The handwheel
It is set in outside the handle ratchet wheel, and is equipped with circlip retaining ring between the handwheel and the axle sleeve；
The handwheel is connected with the screw rod by synchronous pin.
6. locking device according to claim 5, which is characterized in that the handwheel is equipped with lock away from the side of the screw rod
Hole, the lockhole are horizontally through the handwheel and are connected with the lock core；
The handwheel is equipped with spare lockhole away from the side of the screw rod, and the spare lockhole is opposite with the teeth of the pawl.
7. locking device according to claim 6, which is characterized in that the handwheel is equipped with lid away from the side of the screw rod
Piece, and the cover plate is for blocking the spare lockhole；
At least one blind hole is set around the periphery of the handwheel, so that screwdriver is inserted into the blind hole.
8. locking device according to claim 5, which is characterized in that further include: column base disk；The one of the column base disk
End is connected with the rotation grab；
And the top of the column base disk is connected with train tail apparatus, the lower edge of bottom surface and the handwheel, flexible grab bottom surface with
And the bottom surface of rotation grab is in same plane.
9. according to the described in any item locking devices of claim 4-8, which is characterized in that the lock core towards the pawl one
Side is cam type, and the cam type of the lock core is partially disposed in the groove on the pawl, and the lock core is convex with the pawl
Take turns driven cooperation.
10. a kind of train characterized by comprising the described in any item locking devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876826.8U CN208585238U (en) | 2018-06-05 | 2018-06-05 | A kind of locking device and train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876826.8U CN208585238U (en) | 2018-06-05 | 2018-06-05 | A kind of locking device and train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208585238U true CN208585238U (en) | 2019-03-08 |
Family
ID=65536053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820876826.8U Active CN208585238U (en) | 2018-06-05 | 2018-06-05 | A kind of locking device and train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208585238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622120A (en) * | 2018-06-05 | 2018-10-09 | 北京世纪东方通讯设备有限公司 | A kind of locking device |
| CN109691283A (en) * | 2019-03-12 | 2019-04-30 | 王本 | It is a kind of for digging the scoop of bamboo shoots |
-
2018
- 2018-06-05 CN CN201820876826.8U patent/CN208585238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622120A (en) * | 2018-06-05 | 2018-10-09 | 北京世纪东方通讯设备有限公司 | A kind of locking device |
| CN109691283A (en) * | 2019-03-12 | 2019-04-30 | 王本 | It is a kind of for digging the scoop of bamboo shoots |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208585238U (en) | A kind of locking device and train | |
| EP3188968B1 (en) | Trolley arrangement for a galley of a vehicle, especially of an aircraft | |
| CN105863374A (en) | Device for operating at least one aircraft door comprising a control handle | |
| CN106660477A (en) | Locking device for containers | |
| US11358451B2 (en) | Crank assembly for a tarpaulin retraction and extension device | |
| CN106174978B (en) | A kind of extension type luggage case | |
| CN201109575Y (en) | Ratcher type fastening arrangement | |
| CN104787197A (en) | Automatic electric fitness exercise foldable vehicle | |
| CN111827805B (en) | Rear door lock mechanism of van | |
| CN108622120A (en) | A kind of locking device | |
| CN208336070U (en) | It is a kind of manually and electronic in integrated on-load switch three position mechanism | |
| CN208534247U (en) | Door lock assembly and vehicle with it | |
| CN203729723U (en) | Bilateral locking device | |
| CN214771750U (en) | Dismounting tool for urban rail vehicle | |
| CN104803132B (en) | Retaining mechanism and the hard open top container with it | |
| CN208993429U (en) | A kind of airdrome luggage draws automobile-used falling type hinged latch | |
| CN206035945U (en) | Manually rotate the locking cylinder | |
| US3324807A (en) | Universal tie down winch | |
| CN111894372B (en) | Anti-collision van rear door lock device | |
| CN110733517B (en) | Mining transport vehicle rear door locking structure and rear door locking method | |
| RU207069U1 (en) | FLYWHEEL FIXING DEVICE FOR OPENING-CLOSING UNLOADING DOORS FOR RAILWAY TRANSPORT | |
| CN201154719Y (en) | Handle folding mechanism | |
| US20170050481A1 (en) | Adjustable Trailer Connection | |
| KR102090853B1 (en) | Twistlock | |
| CN208868117U (en) | A kind of perambulator trolley folding joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee after: Beijing Century Oriental Zhihui Technology Co.,Ltd. Address before: 102629 Building 1, yard 21, Tianrong street, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee before: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. |