CN107956342A - Limitation locking device - Google Patents
Limitation locking device Download PDFInfo
- Publication number
- CN107956342A CN107956342A CN201711178900.5A CN201711178900A CN107956342A CN 107956342 A CN107956342 A CN 107956342A CN 201711178900 A CN201711178900 A CN 201711178900A CN 107956342 A CN107956342 A CN 107956342A
- Authority
- CN
- China
- Prior art keywords
- unlock
- locking device
- latch hook
- matrix
- flexible axle
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
Abstract
The present invention relates to limitation locking device, for solve the problems, such as existing limitation locking device on the door limitation locking when unlock it is inconvenient；A kind of limitation locking device is provided, including locking device and remote de-locking device, locking device includes matrix and latch hook, latch hook is rotatably connected on matrix by axis pin, resetting spring is provided between latch hook and matrix, opening up lock hook slot is provided with latch hook and self-locking hook groove notch extends to the guiding surface of latch hook free end obliquely；Latch hook free end is provided with the near-end unlock drag-line that unlock is rotated for pulling downward on latch hook；Remote de-locking device includes pedestal and the unlock lever being rotatably installed in by axis pin on pedestal, the one end for unlocking lever is unlock operating side, the other end of unlock lever is the flexible axle connecting pin being connected with unlock flexible axle one end, the other end of unlock flexible axle is connected with latch hook, and unlock lever, which rotates, pulls latch hook to rotate down.Present invention unlock easy-to-operate.
Description
Technical field
The present invention relates to a kind of fixing device, more specifically to a kind of limitation locking device.
Background technology
Engineering machinery, which sometimes needs to open at the door of driver's cabin, carries out operation, and door needs limitation locking device will when opening
Door in open mode fixes.Existing limitation locking device has plenty of touching formula, by magnet adsorption or rubs
Power is wiped to carry out limitation locking on the door, the active force of magnet adsorption or frictional force is generally weaker, when door is under larger inertia impact
Limitation locking device, which may be departed from, causes limitation locking to fail, in addition when needing to release limitation locking, it is necessary to which operator exerts oneself
Sliding door overcomes magnet adsorption or frictional force, for magnet adsorption or frictional force counterpart, still falls within larger power, causes at closing time
It is painstaking difficult to release limitation locking operation.Another kind is exactly that unlocking mechanism is set on limitation locking device, it is necessary to lead to when unlocking
Unlocking mechanism is crossed, the locking of limitation locking device on the door is released by unlocking mechanism, so that door can easily be shut.But due to limit
Position locking device unlocking mechanism be typically mounted in driver's cabin, when driver when ground needs to be unlocked, it is necessary to pass through again
Staircase climbs into and operation unlock is carried out in driver's cabin, therefore this limitation locking device also brings along the inconvenience of some unlocks, even
It is insecurity.
The content of the invention
The technical problem to be solved in the present invention is for existing limitation locking device on the door limitation locking when unlock inconvenience
The problem of, and a kind of limitation locking device for having and proximally and distally unlocking at two is provided.
The present invention is such to realize the technical solution of its purpose：A kind of limitation locking device, including locking dress are provided
Put, it is characterised in that further include remote de-locking device, the locking device includes matrix and latch hook, and the latch hook is turned by axis pin
Dynamic connection on the matrix, is provided with resetting spring, is provided with the latch hook opening up between the latch hook and matrix
Lock hook slot and self-locking hook groove notch extend to the guiding surface of latch hook free end obliquely；The latch hook free end is provided with use
Drag-line is unlocked in the near-end for pulling downward on latch hook rotation unlock；The remote de-locking device includes pedestal and rotates by axis pin to pacify
Unlock lever on the pedestal, one end of the unlock lever is unlock operating side, unlocks the another of lever
End is the flexible axle connecting pin being connected with unlock flexible axle one end, and the other end for unlocking flexible axle is connected with the latch hook, the unlock behaviour
Making handle rotation pulls latch hook to rotate down.
Further, in above-mentioned limitation locking device, described matrix is box shaped, and the connecting pin of the latch hook and matrix is located at
In matrix, the free end of the latch hook extends to matrix outer from hole in the one side wall of matrix, the lock hook slot on the latch hook
It is located at guiding surface outside described matrix.
Further, in above-mentioned limitation locking device, described matrix Shanghai is provided with the top for withstanding the component that is locked
Pushing device, the thrustor include flexible on the matrix telescopic rod and spring, and one end of the telescopic rod is from described
Hole stretches out and extends to the top of the lock hook slot in base side walls, and the telescopic rod is provided with flange face, the spring
One end is contacted with described matrix, and it is stretching side that the other end, which contacts with the flange face of the telescopic rod and provides direction to the telescopic rod,
To elastic force.
Further, in above-mentioned limitation locking device, the telescopic end of the telescopic rod is provided with rubber pad, the rubber
Pad is connected by bolt with telescopic rod.
Further, the restricted locking bar is set to reset rotational angle in above-mentioned limitation locking device, in described matrix
Limited block.
Further, in above-mentioned limitation locking device, flexible axle mounting base, the solution are each provided with described matrix and pedestal
The both ends correspondence for locking the casing of flexible axle is fixedly connected with two flexible axle mounting bases, and the both ends of flexible axle cored wire are respectively with unlocking lever
Flexible axle connecting pin is fixedly connected with latch hook free end.
Further, in above-mentioned limitation locking device, unlock lever is connected between the flexible axle connecting pin and pedestal
The resetting spring of reset after unlock operation.
Further, in above-mentioned limitation locking device, set restricted unlock lever to unlock operation on the pedestal and turn
Dynamic angle limit bolt.
Compared with prior art, the present invention when limitation locking device of the present invention is applied in engineering machinery, at cab door
When open mode is locked by the limitation locking device, operator can be in steering external by drawing the near-end on limitation locking device
Drag-line is unlocked, latch hook is rotated and causes the unlock of limitation locking device, lever can also be unlocked by operating in driver's cabin, led to
Unlock lever is crossed to pull unlock flexible axle and rotate latch hook and realize that limitation locking device unlocks.
Brief description of the drawings
Fig. 1 is the structure diagram of limitation locking device of the present invention.
Fig. 2 is the structure diagram of locking device in limitation locking device of the present invention.
Fig. 3 is the structure diagram of limitation locking device medium-long range tripper of the present invention.
Fig. 4 is limitation locking device application schematic diagram in engineering machinery driving cabin of the present invention.
Embodiment
Illustrate specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, limitation locking device includes locking device 1, the remote de-locking connected by unlocking flexible axle 2
Device 3.
As shown in Fig. 2, locking device 1 includes matrix 7 and latch hook 5, matrix 7 is box shaped, and installing plate 10 is fixed in matrix 7
On, mounting hole is provided with installing plate 10, matrix is fixed on installation position will pass through the fasteners such as bolt.
As shown in Fig. 2, one end of latch hook 5 is rotatably installed in matrix 7 by axis pin 11, and it is provided with the axis pin 11
Torsional spring 9, torsional spring 9 provide reseting elasticity to latch hook 5, and latch hook is also equipped with matrix 7 and resets limited block 12, latch hook resets spacing
Block 12 limits the reset angle of latch hook 5, and the reset final position of latch hook 5 is latch hook latched position.The side wall of matrix 7 is provided with hole
Hole, the free end of latch hook 5 extend out to the outside of matrix from the hole of side wall.Lock hook slot 51, lock hook slot are provided with latch hook 5
51 positioned at matrix outer and notch upward, the free end end set of notch to the latch hook 5 of self-locking hook groove 51 has leading obliquely
To inclined-plane 52, and near-end unlock drag-line 4 is connected with the end of the free end of latch hook 5.
Thrustor is additionally provided with matrix 7, as shown in figure 3, thrustor includes telescopic rod 6, spring 8, in matrix 7
On be provided with the hole slided wherein for telescopic rod 6, one end of telescopic rod 6, which is connected with, prevents what telescopic rod from skidding off from hole
Stop nut 61, the hole of the other end from the side wall of matrix 7 of telescopic rod 6 are stretched out and extended to above the lock hook slot 51 of latch hook 5,
There is rubber pad 62 in the end set that telescopic rod 6 is extend out to outside matrix 7, rubber pad 62 is connected by bolt 63 with telescopic rod 6
It is fixed.Spring 8 is sleeved on telescopic rod 6, and one end of spring 8 is contacted with matrix 7, and the other end acts on the flange face of telescopic rod 6
On, when the external part of telescopic rod 6 is subject to the external force to extrude, telescopic rod 6 compresses spring 8, the spring 8 equally compressed by flange face
By flange face by elastic force reaction on telescopic rod 6, the external part of telescopic rod 6 is compressed locked component.
As shown in figure 3, remote de-locking device 3 includes pedestal 15 and is rotatably installed in the unlock on pedestal 15 by axis pin 16
Lever 14, one end of unlock lever 14 is unlock operating side, and the other end of unlock lever 14 is and 2 one end of unlock flexible axle
The unlock flexible axle connecting pin of connection.The flexible axle mounting base 18 for installing unlock flexible axle is provided with pedestal 15, unlocks flexible axle 2
One end of casing be fixed in flexible axle mounting base 18, cored wire of the unlock flexible axle 2 at the end is then fixedly connected on unlock lever
14 unlock operating side.As shown in Fig. 2, being equally also equipped with flexible axle mounting base 13 on the matrix 7 of locking device 1, flexible axle 2 is unlocked
Cannula tip at the end is fixed on the flexible axle mounting base 13 on matrix, and in the cored wire end at the end, then fixation connects unlock flexible axle 2
It is connected on the free end of latch hook 5.Unlock lever resetting spring 17 is connected between unlock lever 14 and pedestal 15.Operation
Member pushes the unlock operating side of unlock lever 14, and unlock lever 14 rotates, it unlocks flexible axle connecting pin and pulls unlock flexible axle
2, unlock flexible axle pulls the free end of latch hook 5 to rotate down, and after unlocking the active force elimination on lever 14, unlock lever is answered
Position spring 17 pulls unlock lever 14 to reset, and unlock flexible axle 2 is relaxed, latch hook 5 is reset to locking bit under the action of torsional spring 9
Put.It is excessive and break unlock flexible axle that 14 rotational angle of lever is unlocked during remote de-locking in order to prevent, is provided with pedestal 15
Rotational angle when the limitation unlock lever 14 of caging bolt 19 unlocks.
As shown in figure 4, limitation locking device in the present embodiment mainly apply with engineering machinery, for locking open shape
Locking device 1 is fixedly mounted on outside driver's cabin by the cab door 20 of state, when application, and remote de-locking device 3 is installed on driving
At chamber interior member's operation easy to operation.Cab door 20 is opened when turning at limitation locking position, cab door 20 it is following
With on the guiding surface 52 of latch hook 5, rotating down latch hook 5, the following of cab door 20 is caught in the lock hook slot of latch hook 5 for effect
In 51, latch hook 5 resets, and cab door 20 extrudes the external part of telescopic rod 6 at the same time, and thrustor coordinates driver's cabin with latch hook 5
The following limitation locking of door 20.When needing to release the locking of cab door, operator can be located at outside driver's cabin such as ground
On, near-end unlock drag-line 4 is pulled with pulling, rotates down latch hook 5, in the following lock hook slot 51 from latch hook for making cab door 20
Spin off and realize the unlock of cab door, need not enter when operator unlocks in driver's cabin, convenient for unlocking；Operator also may be used
To drive in-house operation unlock lever 14, unlock flexible axle 2 is pulled to realize the solution of locking device 1 by unlocking lever 14
Lock.
Claims (8)
1. a kind of limitation locking device, including locking device, it is characterised in that further include remote de-locking device, the locking device
Including matrix and latch hook, the latch hook is rotatablely connected on the matrix by axis pin, is provided between the latch hook and matrix
Resetting spring, is provided with opening up lock hook slot on the latch hook and self-locking hook groove notch extends to latch hook free end obliquely
Guiding surface；The latch hook free end is provided with the near-end unlock drag-line that unlock is rotated for pulling downward on latch hook；It is described remote
Journey tripper includes pedestal and the unlock lever being rotatably installed in by axis pin on the pedestal, the unlock lever
For unlock operating side, the other end for unlocking lever is the flexible axle connecting pin being connected with unlock flexible axle one end, unlocks flexible axle for one end
The other end be connected with the latch hook, it is described unlock lever rotate pull latch hook rotate down.
2. limitation locking device according to claim 1, it is characterised in that described matrix is box shaped, the latch hook and matrix
Connecting pin be located in matrix, the free end of the latch hook extends to matrix outer, the lock from hole in the one side wall of matrix
Lock hook slot and guiding surface on hook are located at outside described matrix.
3. limitation locking device according to claim 2, it is characterised in that be additionally provided with described matrix for withstand by
The thrustor of locking member, the thrustor include flexible on the matrix telescopic rod and spring, the telescopic rod
One end stretched out from hole on described matrix side wall and extend to the top of the lock hook slot, the telescopic rod is equipped with flange
Face, one end of the spring are contacted with described matrix, and the other end is contacted to telescopic rod provider with the flange face of the telescopic rod
To the elastic force for stretching direction.
4. limitation locking device according to claim 3, it is characterised in that the telescopic end of the telescopic rod is provided with rubber
Pad.
5. limitation locking device according to claim 2, it is characterised in that the restricted locking bar is set in described matrix
Reset the limited block of rotational angle.
6. limitation locking device according to any one of claim 1 to 5, it is characterised in that each in described matrix and pedestal
Flexible axle mounting base is provided with, the both ends of the casing of the unlock flexible axle are corresponded to be fixedly connected with two flexible axle mounting bases, flexible axle cored wire
Both ends respectively with unlock lever flexible axle connecting pin and latch hook free end be fixedly connected.
7. limitation locking device according to claim 1, it is characterised in that connected between the flexible axle connecting pin and pedestal
There is the resetting spring that unlock lever unlocks reset after operation.
8. limitation locking device according to claim 1, it is characterised in that restricted unlock operation is set on the pedestal
Handle unlock operation rotational angle caging bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178900.5A CN107956342A (en) | 2017-11-23 | 2017-11-23 | Limitation locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178900.5A CN107956342A (en) | 2017-11-23 | 2017-11-23 | Limitation locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107956342A true CN107956342A (en) | 2018-04-24 |
Family
ID=61961795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711178900.5A Pending CN107956342A (en) | 2017-11-23 | 2017-11-23 | Limitation locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610959A (en) * | 2018-10-31 | 2019-04-12 | 广西柳工机械股份有限公司 | Cab door limiting lock dual control tripper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204609548U (en) * | 2015-03-30 | 2015-09-02 | 上海通用汽车有限公司 | Front cover for vehicle secondary lock device |
| CN206049826U (en) * | 2016-08-22 | 2017-03-29 | 泰安福威重工制造有限公司 | A kind of anti-whereabouts locking system of driver's cabin |
| CN106809288A (en) * | 2017-03-29 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of cab mounting secure latch mechanism |
-
2017
- 2017-11-23 CN CN201711178900.5A patent/CN107956342A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204609548U (en) * | 2015-03-30 | 2015-09-02 | 上海通用汽车有限公司 | Front cover for vehicle secondary lock device |
| CN206049826U (en) * | 2016-08-22 | 2017-03-29 | 泰安福威重工制造有限公司 | A kind of anti-whereabouts locking system of driver's cabin |
| CN106809288A (en) * | 2017-03-29 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of cab mounting secure latch mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610959A (en) * | 2018-10-31 | 2019-04-12 | 广西柳工机械股份有限公司 | Cab door limiting lock dual control tripper |
| CN109610959B (en) * | 2018-10-31 | 2021-07-02 | 广西柳工机械股份有限公司 | Double-control unlocking device for limiting lock of cab door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180424 |
|
| RJ01 | Rejection of invention patent application after publication |