CN109653620A - Door latch structure, working bucket and the fire fighting truck of working bucket - Google Patents
Door latch structure, working bucket and the fire fighting truck of working bucket Download PDFInfo
- Publication number
- CN109653620A CN109653620A CN201811513777.2A CN201811513777A CN109653620A CN 109653620 A CN109653620 A CN 109653620A CN 201811513777 A CN201811513777 A CN 201811513777A CN 109653620 A CN109653620 A CN 109653620A
- Authority
- CN
- China
- Prior art keywords
- bucket
- sluice gate
- lock core
- driving
- working bucket
- 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.)
- Granted
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
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
Abstract
The present invention relates to engineering machinery fields, disclose door latch structure, working bucket and the fire fighting truck of a kind of working bucket.The door latch structure includes: sluice gate portion, and the sluice gate portion includes lock core (6) and lock core driving portion (8), and the lock core can move between the first position and the second position under the driving of the lock core driving portion；Bucket body portion (7), the bucket body portion includes the lock tongue (71) corresponding to lock core arrangement and the dynamic clamping head and quiet clamping head (72) to lock tongue application elastic reset power, and the lock tongue can move before the latched position for being connected in the sluice gate and the releasing position separated with the sluice gate under the action of the lock core and the dynamic clamping head and quiet clamping head.The door latch structure of working bucket disclosed in this invention can auto-unlocking and locking, realize being automatically separated and being closed for sluice gate and bucket body, structure is simple, compact, and required arrangement space is small, is not take up working bucket outer space, and more beautiful.
Description
Technical field
The present invention relates to engineering machinery fields, and in particular, to a kind of door latch structure of working bucket, working bucket and fire-fighting
Vehicle.
Background technique
High-altitude operation vehicle (such as fire fighting truck) is usually provided with ladder, and the top of ladder is provided with working bucket with the people that will work
Member and relevant device are lifted to high-altitude designated position, are engaged in the operations such as fire fighting and rescue, installation and repairing.Working bucket is provided with rear bucket door
In order to the discrepancy of staff and relevant device, and can be after working bucket flips an angle when not in use by working bucket set
Set on the end of ladder, working bucket influences the visual field of driver and the passability of vehicle when not in use, and this requires working buckets
Sluice gate door lock opening and closing it is easy, quick, withdrawn and discharged smooth with safeguard work bucket.
The door latch structure of working bucket in tradition is complicated, and required arrangement space is larger, and aesthetics is poor, furthermore its locking
It is bothered with release, and is difficult to ensure locking and discharges the fluency of process.For example, Fig. 1 and work in the prior art shown in Fig. 2
Make the door latch structure to struggle against, working bucket is arranged on the ladder of high-altitude operation vehicle, and the working bucket of the high-altitude operation vehicle includes existing bucket
Body 01 and existing rear bucket door 02, existing bucket body 01 are rotatably arranged on existing ladder 05, and with opening up vertical
The horizontal roll-over state of working condition or opening backwards, existing rear bucket door 02 are articulated in existing bucket body 01 close to existing ladder 05 1
On the frame of side, existing door latch structure 03 is provided between existing bucket body 01 and existing rear bucket door 02, the existing door latch structure
03 can lock existing rear bucket door 02.Existing position-limit mechanism 03 includes the existing locating part 031 being arranged on existing rear bucket door 02
And on existing bucket body 01 and the existing locating part 031 of backstop existing backing pin 04.Existing locating part 031 includes that correspondence is existing
The blocking arm that backing pin 04 is arranged is provided with the limiting slot matched with existing backing pin 04 on the blocking arm.Existing backing pin 04 blocking arm with
During existing rear bucket door 02 moves out together, blocking arm can be locked, and then to the existing rear bucket door 02 of locking.Above-mentioned door lock
Limiting slot concentricity on the backing pin and blocking arm of structure is difficult to ensure that processing and manufacturing difficulty is larger, and existing position-limit mechanism 03 accounts for
Larger with the space between working bucket and ladder, aesthetics is lower, and can not automatically terminate the locking to rear bucket door, using not
Just.
Thus, it is desirable to have a kind of door latch structure of working bucket can overcome or at least mitigate the above-mentioned of the prior art to lack
It falls into.
Summary of the invention
The object of the present invention is to provide a kind of door latch structure of working bucket, the door latch structure of the working bucket be can be realized automatically
It unlocks and locking, structure is simple, compact, beautiful.
To achieve the goals above, the present invention provides a kind of door latch structure of working bucket, the working bucket include bucket body and
It is installed on the sluice gate of the bucket body, the door latch structure includes: sluice gate portion, and the sluice gate portion includes lock core and lock core driving portion,
The lock core can move between the first position and the second position under the driving of the lock core driving portion；Bucket body portion, it is described
Bucket body portion includes the lock tongue arranged corresponding to the lock core and applies the dynamic clamping head and quiet clamping head of elastic reset power to the lock tongue, described
Lock tongue can under the action of the lock core and the dynamic clamping head and quiet clamping head the latched position for being connected in the sluice gate and with it is described
It is mobile before the releasing position of sluice gate separation.
Preferably, the working bucket is connect with ladder by ladder bucket connection frame and can be relative to the ladder bucket connection frame pivot
Turn, the lock core driving portion includes resetting structure, the push rod for being installed on the sluice gate and can be with the pivot of the working bucket
Driving wedge close or far from the push rod, one end of the push rod and the lock core are sequentially connected, the push rod and institute
The driving inclined-plane cooperation of driving wedge is stated, and the lock core can be pushed under the driving of the driving inclined-plane.
Preferably, one end of the push rod is connected to the lock core by connecting shift fork, and the other end of the push rod is hinged
In the sluice gate, the driving inclined-plane can drive the push rod to rotate around hinge axes.
Preferably, one end of the push rod is formed with kidney slot, and one end of the connection shift fork is articulated with the waist-shaped hole,
The other end is connected to the lock core, wherein the long axis of the waist-shaped hole extends along the length direction of the push rod.
Preferably, it is provided between the connection shift fork and the lock core for adjusting the connection shift fork and the lock core
Between interval adjustment portion, the adjustment portion include be set to it is described connection shift fork the other end at adjusting screw rod and setting
In the lock core close to the adjusting nut of one end of the connection shift fork.
Preferably, the door latch structure includes one of following technical proposals or a variety of:
The lockhole corresponding to the lock tongue, the center of the center line of the lock core, the lock tongue are formed on the sluice gate
The center line of line and the connection shift fork is aligned with the center line of the lockhole, and the lock core can be along the center of the lockhole
Line is mobile with the close or separate lock tongue；
The bucket body portion includes the adjustment structure for adjusting the lock tongue.
The sluice gate portion further includes guide plate, and the guiding surface of the guide plate can guide the lock tongue to be inserted into the lock
Hole；And/or
The door latch structure includes limit plate, and the limit plate can prevent outside pivot of the sluice gate to the bucket body
Turn.
Preferably, the sluice gate is set to the bucket body close to the side of the ladder bucket connection frame, and the driving wedge is set
It is placed in the ladder bucket connection frame, the door latch structure further includes the driving idler wheel for being set to the ladder bucket connection frame, the driving
Idler wheel can be connected to the sluice gate and as the pivot of the bucket body pushes the sluice gate open.
Preferably, the driving wedge further includes being parallel to the promotion face of the sluice gate, the driving idler wheel and the drive
Dynamic inclined wedge is all set in the ladder bucket connection frame, and the driving idler wheel, which is synchronized with the promotion face with the sluice gate, to be contacted.
According to another aspect of the present invention, a kind of working bucket is provided, the working bucket includes according to work described above
Make the door latch structure to struggle against, wherein the working bucket is provided with the sluice gate for applying to its sluice gate and being held in the biasing force of shutdown position
Return unit.
According to a further aspect of the invention, a kind of fire fighting truck is provided, the fire fighting truck includes ladder, according to described above
Working bucket, connect the ladder bucket connection frame and working bucket driving portion of the working bucket and the ladder, the working bucket driving
Portion can drive the working bucket around pivotal axis to rotate using between position and reception position.
Through the above technical solutions, the door latch structure of working bucket disclosed in this invention can auto-unlocking and locking, it is real
Existing sluice gate and bucket body being automatically separated and being closed, and structure is simple, compact, and required arrangement space is small, is not take up empty on the outside of working bucket
Between, and it is more beautiful.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the door latch structure of working bucket in the prior art, wherein working bucket is in use state.
Fig. 2 is the schematic diagram of the door latch structure of working bucket shown in FIG. 1, wherein working bucket is in receiving state.
Fig. 3 is a kind of schematic diagram of the door latch structure of the working bucket of embodiment according to the present invention, wherein at working bucket
In use state.
Fig. 4 is the schematic diagram of the door latch structure of working bucket shown in Fig. 3, wherein working bucket is in and gradually switches to storage
The intermediate state of state.
Fig. 5 is the schematic diagram of the door latch structure of working bucket shown in Fig. 3, wherein working bucket is in receiving state.
Fig. 6 is cross-sectional view of the door latch structure along hatching A-A of working bucket shown in Fig. 3.
Fig. 7 is the partial enlargement diagram in the portion B of the cross-sectional view of the door latch structure of working bucket shown in fig. 6, wherein lock tongue
It is in the locked position.
Fig. 8 is the partial enlargement diagram in the portion B of the cross-sectional view of the door latch structure of working bucket shown in fig. 6, wherein lock tongue
In releasing position.
Fig. 9 is the working bucket of the door latch structure of working bucket shown in Fig. 3 and the schematic top plan view of ladder bucket connection frame part.
Figure 10 is the partial enlargement diagram in the portion D of the door latch structure of working bucket shown in Fig. 9.
Figure 11 is the schematic diagram of the driving wedge of the door latch structure of working bucket shown in Fig. 3.
Figure 12 is the schematic diagram of the limit plate of the door latch structure of working bucket shown in Fig. 3.
Figure 13 is the schematic diagram of the door latch structure of the working bucket of another embodiment according to the present invention.
Figure 14 is cross-sectional view of the door latch structure along hatching E-E of working bucket shown in Figure 13.
Figure 15 is the partial enlargement diagram in the portion C of the cross-sectional view of the door latch structure of working bucket shown in Figure 14, wherein lock
Tongue is in the locked position.
Description of symbols
1- working bucket, 11- bucket body, 111- sluice gate return unit, 12- sluice gate, 121- column, 2- ladder, 3- ladder bucket connection frame,
31- pivot axis, 4- driving wedge, 41- driving inclined-plane, 42- push face, and 5- drives idler wheel, 6- lock core, 7- bucket body portion, 71- lock
Tongue, 72- dynamic clamping head and quiet clamping head, 73- adjustment structure, 74- lock pillar, 75- guide plate, 76- postive stop baffle, 8- lock core driving portion, 81- are pushed away
Bar, 82- connection shift fork, 83- adjusting screw rod, 84- adjusting nut, 85- resetting structure, 86- limit baffle, 9- limit plate, 01- are existing
There are bucket body, the existing rear bucket door of 02-, the existing door latch structure of 03-, the existing locating part of 031-, the existing backing pin of 04-, the existing ladder of 05-.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " inside and outside " refers to according to bucket body certainly
Body structure it is inside and outside.
According to an aspect of the present invention, a kind of door latch structure of working bucket is provided, referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, work
Making bucket 1 includes bucket body 11 and the sluice gate 12 for being installed on bucket body 11, and the door latch structure includes: sluice gate portion, and the sluice gate portion includes
Lock core 6 and lock core driving portion 8, lock core 6 can move between the first position and the second position under the driving of lock core driving portion 8
It is dynamic；Bucket body portion 7, bucket body portion 7 include that the lock tongue 71 arranged corresponding to lock core 6 and the elasticity for applying elastic reset power to lock tongue 71 are multiple
Position part 72, lock tongue 71 can under the action of lock core 6 and dynamic clamping head and quiet clamping head 72 the latched position for being connected in sluice gate 12 and with bucket
It is mobile before 12 isolated releasing positions of door.
The door latch structure of working bucket disclosed in this invention can auto-unlocking and locking, realize sluice gate 12 and bucket body 11
It is automatically separated and is closed, structure is simple, compact, and required arrangement space is small, is not take up working bucket outer space, and more beautiful.
As shown in fig. 7, in the figure, lock core 6 is in first position, lock tongue 71 is in the locked position, as shown in figure 8,
In the figure, lock core 6 is in the second position, and lock tongue 71 is in releasing position.
Move mode of the lock core 6 before first position and the second position can make appropriate choice according to actual needs,
For example, translation, swing etc., the structure of lock core driving portion 8 can also make appropriate choice according to actual needs, for example, driving electricity
Machine driving lock core 6 is swung to switch between the first position and the second position or driving motor is by rack pinion machine
The transmission rear-drive movable lock core 6 of structure translates between the first position and the second position.Preferably, working bucket 1 passes through ladder bucket connection frame 3
It connect and can be pivoted relative to ladder bucket connection frame 3 with ladder 2, lock core driving portion 8 includes resetting structure 85, is installed on sluice gate 12
Push rod 81 and can with working bucket 1 pivot close to or far from push rod 81 driving wedge 4, one end of push rod 81 and lock core
The driving inclined-plane 41 of 6 transmission connections, push rod 81 and driving wedge 4 cooperates, and lock can be pushed under the driving of driving inclined-plane 41
Core 6, without additional setting power source, using pivot of the working bucket 1 in switch operating state come driving push rod, purely mechanic driving
But also the reliability of lock core driving portion 8 is higher, guarantee can ensure that sluice gate 12 is opened in due course when working bucket is packed up.
The structure of resetting structure 85 can make appropriate choice according to actual needs, for example, in the articulated position of push rod 81
Reduction torsion spring is set.Referring to the resetting structure in Fig. 6, Fig. 7, Fig. 8 and a kind of embodiment according to the present invention shown in Fig. 10
85 schematic diagram, one end of reset spring are connected in the periphery of lockhole, and the other end is connected on lock core 6, lock when push rod 81 pushes
When core 6 is moved to the second position, reset spring is compressed, and when push rod 81 resets, when being no longer thrusts against lock core 6, lock core 6 is resetting bullet
First position is returned under the action of the elastic restoring force of spring.Referring to Figure 13, Figure 14 and shown in figure 15 according to the present invention another
The schematic diagram of the resetting structure 85 of kind embodiment, one end card of reset spring are based on limit baffle 86, and the other end is connected in lock
On core 6, when 81 pushing lock cylinder 6 of push rod is moved to the second position, reset spring is compressed, and when the reset of push rod 81, is no longer thrusts against
When lock core 6, lock core 6 returns to first position under the action of the elastic restoring force of reset spring.
Wherein, it is preferably provided with the clamping flange cooperated with limit baffle 86 on lock core 6, avoids lock core 6 mobile excessive,
Can defining flange be arranged in the side of limit baffle 86 or two sides according to actual needs in user.
Push rod 81 drives the mode of lock core 6 that can make appropriate choice according to actual needs, for example, driving wedge 4 acts on
In the other end of push rod 81 to push push rod 81 to translate, so that the other end pushing lock cylinder 6 of push rod 81, the case where needing
Under push rod 81 and lock core 6 can also be become one.Preferably, one end of push rod 81 is connected to lock core 6 by connecting shift fork 82,
The other end of push rod 81 is articulated with sluice gate 12, driving inclined-plane 41 can driving push rod 81 rotated around hinge axes, driven convenient for lock core
The arrangement in dynamic portion 8 and lock core 6, and be also convenient for ensureing in 1 pivoting process of working bucket by the swing of 41 driving push rod 81 of driving inclined-plane
Middle driving wedge 4 always being capable of stabilized driving push rod 81.The full swing angle [alpha] of push rod 81 can the displacement according to needed for lock core 6
It being configured, full swing angle [alpha] should not be too large, in order to avoid the alignment of push rod and lock core 6 is influenced for the swing of push rod 81, it is maximum
Swing angle α is preferably 1 ° to 2.5 °, and in the shown embodiment, full swing angle is 1.5 °.
It is further preferred that one end of push rod 81 is formed with kidney slot, one end of connection shift fork 82 is articulated with the waist type
Hole, the other end are connected to lock core 6, wherein the long axis of the waist-shaped hole extends along the length direction of push rod 81, avoids push rod 81
The alignment for influencing connection shift fork 82 and lock core 6 is swung, connection shift fork 82 is aligned with lock core 6 always, so that the drive of lock core driving portion 8
It is dynamic more smooth.
Preferably, it connects and is provided between shift fork 82 and lock core 6 for adjusting the interval between connection shift fork 82 and lock core 6
Adjustment portion, adjust lock core 6 and connect the interval between shift fork 82, it is ensured that lock core 6 lock tongue 71 can be pushed in latched position and
It is moved between releasing position, and interference will not be generated with other mechanisms.The structure of adjustment portion can carry out suitably according to actual needs
Selection, referring to figs. 7 and 8, the adjustment portion include be set to connection shift fork 82 the other end at adjusting screw rod 83 and set
Lock core 6 is placed in close to the adjusting nut 84 of one end of connection shift fork 82, adjusts easy, high reliablity.
Lock tongue 71 can be connected in any suitable position on sluice gate 12, for example, being directly connected in door body, being connected in bucket
Groove on door 12 is medium.Preferably, the lockhole corresponding to lock tongue 71, center line, the lock tongue 71 of lock core 6 are formed on sluice gate 12
Center line and connect shift fork 82 center line be aligned with the center line of lockhole, lock core 6 can be moved along the center line of lockhole
With close or separate lock tongue 71, so that the locking of sluice gate 12 is relatively reliable.
Preferably, bucket body portion 7 includes the adjustment structure 73 for adjusting lock tongue 71, and lock tongue 71 and bucket body 1 is adjusted flexibly
Relative position enables lock tongue 71 to switch between latched position and releasing position, avoids locking unstable or can not fit
Occur when the case where sluice gate 12.The form of adjustment structure 73 can make appropriate choice according to actual needs, for example, in lock tongue 71
End open up kidney slot, with limit shaft limitation lock tongue 71 position formed in the shown embodiment in the end of lock tongue 71
External screw thread, adjusting nut, which screws the end in lock tongue 71 and adjusts lock tongue 71, stretches out size relative to the maximum of lock pillar 74.
Preferably, the sluice gate portion further includes guide plate 75, and the guiding surface of guide plate 75 can guide lock tongue 71 to be inserted into
The lockhole, when needing to close sluice gate 12, sluice gate 12 is rotated close to lock tongue 71, the guiding of the contact wire plate 75 first of lock tongue 71
Inclined-plane, and slided along guiding surface, dynamic clamping head and quiet clamping head 72 is constantly compressed, and lock tongue 71 constantly retreats, in lock tongue 71 to sluice gate 12
On lockhole moment, the elasticity of compression stress release in dynamic clamping head and quiet clamping head 72, lock tongue 71 enters lockhole.It is further preferred that
Guide plate 75 covers the lockhole, and is formed in the opening of the lockhole alignment, and lock tongue 71, which is moved to, is directed at position with the opening
Moment, sequentially enter the opening and lockhole.The type of dynamic clamping head and quiet clamping head 72 can make appropriate choice according to actual needs,
It is helical spring in illustrated embodiment.
Preferably, when lock core 6 is in first position and the second position, lock core 6 is respectively positioned on close to one end of lock tongue 71
The inside of lockhole can be aligned with lock tongue 71 with ensureing lock core 6 always, improve its reliability.
Preferably, referring to Fig. 7, Fig. 8 and Figure 12, the door latch structure includes limit plate 9, and limit plate 9 can prevent sluice gate
12 pivot to the outside of bucket body 11, so that sluice gate 12 to be limited in the inside of bucket body 1, the structure of limit plate 9 can be according to practical need
Design appropriate is carried out, for example, being connected in the plate-like piece inside 1 side wall of bucket body.Referring to Figure 10 and Figure 12, in diagram embodiment party
In formula, the end of the lock pillar 74 in bucket body portion 7 is provided with postive stop baffle 76, and the end of limit plate 9 is formed as bending structure, the bending
The limit card slot 91 cooperated with lock pillar 74 is formed in structure, which can be connected on lock pillar 74 and be limited baffle
76 backstops, so that sluice gate 12 be avoided to pass through the outside that lock pillar 74 goes to bucket body 11.
The structure and installation site of driving wedge 4 can make appropriate choice according to actual needs, can be with working bucket 1
Pivot close to or far from sluice gate 12.Preferably, sluice gate 12 is set to the side of the close ladder bucket connection frame 3 of bucket body 11,
Driving wedge 4 is set to ladder bucket connection frame 3, and the door latch structure further includes the driving idler wheel 5 for being set to ladder bucket connection frame 3, drives
Dynamic idler wheel 5 can be connected to sluice gate 12 and as the pivot of bucket body 11 pushes sluice gate 12 open, without additional setting driving wedge 4 and drive
The installation foundation of dynamic idler wheel 5, structure is simple, easy to use.
Driving idler wheel 5 also can be disposed on sluice gate 12, and can be connected on ladder bucket connection frame 3, and user can be according to reality
Border needs to select mounting means appropriate.The structure of driving wedge 4 can make appropriate choice according to actual needs.Preferably,
Referring to fig. 4, Fig. 5 and 11, driving wedge 4 further include being parallel to the promotion face 42 of sluice gate 12, drive idler wheel 5 and driving wedge 4 equal
It is set to ladder bucket connection frame 3, convenient for driving the location and installation of idler wheel 5 and driving wedge 4.Since sluice gate 12 is in lock in lock tongue 71
Positioning can not open when setting, it is further preferred that driving idler wheel 5 is synchronized with sluice gate 12 with promotion face 42 and contacted, face 42 be pushed to make
The force-fitting that power and driving idler wheel 5 for push rod 81 act on sluice gate 12 pushes sluice gate 12 to open.Certainly, make product is practical
With in manufacturing process, driving idler wheel 5 and the promotion asynchronous contact in face 42 also may be selected, for example, driving idler wheel 5 and driving inclined-plane
41 certain point is synchronous with sluice gate 12 to contact the (certain point and bucket of illustrated embodiment as driving idler wheel 5 and driving inclined-plane 41
The synchronous contact of door 12, shown in Figure 5), at this point, the component F1 ' of driving inclined-plane 41 continues to press on the swing of push rod 81, component F1 "
Sluice gate 12 is pushed to pivotally open, the motive force F2 and component F1 " cooperation of driving idler wheel 5 pushes sluice gate 12 to pivotally open.
Driving idler wheel 5 may act on any suitable position on sluice gate 12, it is preferable that is provided on sluice gate 12 and rolls with driving
The column 121 of 5 cooperation of wheel, driving idler wheel 5 can contact with column 121 and then push open sluice gate 12.Wherein, column 121 is close to bucket
The position of 12 upside of door is formed with bending expansion structure, to extend the opening range of sluice gate 12, avoids working bucket 1 in receiving state
Interference is generated with ladder 2.
According to another aspect of the present invention, a kind of working bucket is provided, referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 9, working bucket 1 is wrapped
Include the door latch structure according to working bucket described above, wherein working bucket 1 is provided with to the application of its sluice gate 12 and is held in shutdown position
The type of the sluice gate return unit 111 for the biasing force set, sluice gate return unit 11 can make appropriate choice according to actual needs, example
Such as, reduction torsion spring.It avoids sluice gate 12 from opening by mistake in use, improves the safety of working bucket, and by being provided with institute above
The door latch structure of disclosed working bucket makes the structure of working bucket more succinct, compact, beautiful, and door latch structure can be opened automatically
Lock and locking, convenient for the use of working bucket.Above-mentioned working bucket can be used on any desired high-altitude operation vehicle.
Wherein, working bucket 1 is connected to ladder 2 by spaced apart two ladders bucket connection frame 3, to promote working bucket 1
Stability and reliability, and it is provided with above-mentioned door latch structure in the two sides of sluice gate 12 accordingly, improve the reliability of sluice gate 12.
According to a further aspect of the invention, a kind of fire fighting truck is provided, the fire fighting truck includes ladder 2, according to institute above
The ladder bucket connection frame 3 and working bucket driving portion of working bucket 1, connection working bucket 1 and the ladder 2 stated, the working bucket driving portion
Working bucket 1 can be driven to rotate around pivot axis 31 to rotate using between position and reception position.The advantages of fire fighting truck
The advantages of with above-mentioned working bucket, is identical, and details are not described herein.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of door latch structure of working bucket, the working bucket (1) includes bucket body (11) and the bucket for being installed on the bucket body (11)
Door (12), which is characterized in that
The door latch structure includes:
Sluice gate portion, the sluice gate portion include lock core (6) and lock core driving portion (8), and the lock core (6) can drive in the lock core
It is moved between the first position and the second position under the driving in portion (8)；
Bucket body portion (7), the bucket body portion (7) include corresponding to the lock tongue (71) of the lock core (6) arrangement and to the lock tongue
(71) apply the dynamic clamping head and quiet clamping head (72) of elastic reset power, the lock tongue (71) can be multiple in the lock core (6) and the elasticity
In the latched position for being connected in the sluice gate (12) and the releasing position separated with the sluice gate (12) under the action of position part (72)
It moves before.
2. the door latch structure of working bucket according to claim 1, which is characterized in that the working bucket (1) is connected by ladder bucket
It connects frame (3) to connect and can be pivoted relative to ladder bucket connection frame (3) with ladder (2), the lock core driving portion (8) includes resetting
Structure (85), the push rod (81) for being installed on the sluice gate (12) and can be close or remote with the pivot of the working bucket (1)
Driving wedge (4) from the push rod (81), one end and the lock core (6) of the push rod (81) are sequentially connected, the push rod
(81) cooperate with the driving inclined-plane (41) of the driving wedge (4), and can be pushed under the driving of the driving inclined-plane (41)
The lock core (6).
3. the door latch structure of working bucket according to claim 2, which is characterized in that one end of the push rod (81) passes through company
It connects shift fork (82) to be connected to the lock core (6), the other end of the push rod (81) is articulated with the sluice gate (12), and the driving is oblique
Face (41) can drive the push rod (81) to rotate around hinge axes.
4. the door latch structure of working bucket according to claim 3, which is characterized in that one end of the push rod (81) is formed with
One end of kidney slot, connection shift fork (82) is articulated with the waist-shaped hole, and the other end is connected to the lock core (6), wherein institute
The long axis for stating waist-shaped hole extends along the length direction of the push rod (81).
5. the door latch structure of working bucket according to claim 4, which is characterized in that the connection shift fork (82) and the lock
The adjustment portion for adjusting the interval between connection shift fork (82) and the lock core (6), the tune are provided between core (6)
Section portion includes the adjusting screw rod (83) being set at the other end of connection shift fork (82) and to be set to the lock core (6) close
The adjusting nut (84) of one end of connection shift fork (82).
6. the door latch structure of working bucket according to claim 5, which is characterized in that the door latch structure includes following technologies
One of scheme is a variety of:
The lockhole corresponding to the lock tongue (71), center line, the lock tongue of the lock core (6) are formed on the sluice gate (12)
(71) center line of center line and connection shift fork (82) is aligned with the center line of the lockhole, lock core (6) energy
Enough center lines along the lockhole are moved with close or separate the lock tongue (71)；
The bucket body portion (7) includes for adjusting the adjustment structure of the lock tongue (71) (73).
The sluice gate portion further includes guide plate (75), and the guiding surface of the guide plate (75) can guide the lock tongue (71) to insert
Enter the lockhole；And/or
The door latch structure includes limit plate (9), and the limit plate (9) can prevent the sluice gate (12) Xiang Suoshu bucket body (11)
Outside pivot.
7. the door latch structure of working bucket described in any one of -6 according to claim 1, which is characterized in that the sluice gate (12)
The bucket body (11) are set to close to the side of ladder bucket connection frame (3), the driving wedge (4) is set to the ladder bucket and connects
It connects frame (3), the door latch structure further includes the driving idler wheel (5) for being set to ladder bucket connection frame (3), the driving idler wheel
(5) sluice gate (12) can be connected to and as the pivot of the bucket body (11) pushes the sluice gate (12) open.
8. the door latch structure of working bucket according to claim 7, which is characterized in that the driving wedge (4) further includes putting down
Row is all set in the ladder bucket in the promotion face (42) of the sluice gate (12), the driving idler wheel (5) and the driving wedge (4)
Connection frame (3), the driving idler wheel (5) contact with the promotion face (42) with the sluice gate (12) synchronization.
9. a kind of working bucket, which is characterized in that the working bucket (1) includes according to claim 1 described in any one of -8
The door latch structure of working bucket, wherein the working bucket (1) is provided with the bias for applying to its sluice gate (12) and being held in shutdown position
The sluice gate return unit (111) of power.
10. a kind of fire fighting truck, which is characterized in that the fire fighting truck includes ladder (2), working bucket according to claim 9
(1), ladder bucket connection frame (3) and working bucket driving portion of the working bucket (1) and the ladder (2), the working bucket are connected
Driving portion can drive the working bucket (1) to rotate around pivot axis (31) to rotate using between position and reception position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513777.2A CN109653620B (en) | 2018-12-11 | 2018-12-11 | Door lock structure of working bucket, working bucket and fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513777.2A CN109653620B (en) | 2018-12-11 | 2018-12-11 | Door lock structure of working bucket, working bucket and fire engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109653620A true CN109653620A (en) | 2019-04-19 |
| CN109653620B CN109653620B (en) | 2021-07-02 |
Family
ID=66113685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513777.2A Active CN109653620B (en) | 2018-12-11 | 2018-12-11 | Door lock structure of working bucket, working bucket and fire engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109653620B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880014A (en) * | 2021-08-30 | 2022-01-04 | 湖南中联重科应急装备有限公司 | Lock cylinder, lock body shaft sleeve, locking structure, lock, hopper door, working hopper, aerial ladder device and vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112886A (en) * | 1994-01-12 | 1995-12-06 | 弗兰茨普拉塞铁路机械工业股份有限公司 | A working waggon |
| JP2013052186A (en) * | 2011-09-06 | 2013-03-21 | Morita Holdings Corp | Basket of high lift vehicle |
| CN103241690A (en) * | 2013-05-15 | 2013-08-14 | 长沙中联消防机械有限公司 | Overhead working truck and working bucket thereof |
| CN104033077A (en) * | 2013-03-07 | 2014-09-10 | 宁波市海连休闲用品有限公司 | Pet door |
| CN203998865U (en) * | 2014-01-28 | 2014-12-10 | 沈阳捷通消防车有限公司 | Convertible fire fighting turnable ladder workplatform |
| CN204619236U (en) * | 2015-05-15 | 2015-09-09 | 威海广泰空港设备股份有限公司 | Convertible working bucket mechanism |
| CN204728839U (en) * | 2015-05-13 | 2015-10-28 | 陕西科技大学 | A kind of subway sliding door locks |
| WO2018140763A1 (en) * | 2017-01-27 | 2018-08-02 | Oshkosh Corporation | Lightweight platform for a fire apparatus |
-
2018
- 2018-12-11 CN CN201811513777.2A patent/CN109653620B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112886A (en) * | 1994-01-12 | 1995-12-06 | 弗兰茨普拉塞铁路机械工业股份有限公司 | A working waggon |
| JP2013052186A (en) * | 2011-09-06 | 2013-03-21 | Morita Holdings Corp | Basket of high lift vehicle |
| CN104033077A (en) * | 2013-03-07 | 2014-09-10 | 宁波市海连休闲用品有限公司 | Pet door |
| CN103241690A (en) * | 2013-05-15 | 2013-08-14 | 长沙中联消防机械有限公司 | Overhead working truck and working bucket thereof |
| CN203998865U (en) * | 2014-01-28 | 2014-12-10 | 沈阳捷通消防车有限公司 | Convertible fire fighting turnable ladder workplatform |
| CN204728839U (en) * | 2015-05-13 | 2015-10-28 | 陕西科技大学 | A kind of subway sliding door locks |
| CN204619236U (en) * | 2015-05-15 | 2015-09-09 | 威海广泰空港设备股份有限公司 | Convertible working bucket mechanism |
| WO2018140763A1 (en) * | 2017-01-27 | 2018-08-02 | Oshkosh Corporation | Lightweight platform for a fire apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880014A (en) * | 2021-08-30 | 2022-01-04 | 湖南中联重科应急装备有限公司 | Lock cylinder, lock body shaft sleeve, locking structure, lock, hopper door, working hopper, aerial ladder device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109653620B (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101674755B (en) | Piece of furniture and device for ejecting a furniture part | |
| CN109653620A (en) | Door latch structure, working bucket and the fire fighting truck of working bucket | |
| CN100395425C (en) | Electric lock | |
| CN108116995B (en) | A kind of locking device of telescoping boom, telescoping boom, crane and its flexible locking means | |
| CN204627208U (en) | Novel automobile door lock secure ratch mechanism | |
| CN110213917B (en) | Interlocking device of linkage self-locking explosion-proof control cabinet | |
| CN110863719A (en) | Emergency unlocking assembly for metro door | |
| CN110152225A (en) | A kind of convenient moveable safe fire extinction device of operation | |
| CN112135464B (en) | Cabinet convenient to maintain | |
| CN107139758B (en) | A kind of new-energy automobile equipment | |
| CN210888462U (en) | Auxiliary locking mechanism for fire-fighting fireproof door | |
| CN109788848A (en) | Retracting device for drawer mechanism | |
| CN208329991U (en) | A kind of fire-proof door closer | |
| CN112211517B (en) | A kind of refrigerator | |
| CN210594849U (en) | External stay type door vane car door lock device | |
| CN208587045U (en) | A kind of dual control door closer | |
| CN209509731U (en) | Fully automatic electric sublock body | |
| CN109231092A (en) | Working bucket door body linkage control mechanism, working bucket and high-altitude operation vehicle | |
| CN205604890U (en) | Pickproof lock reaches from locking -type rolling slats door | |
| CN215565133U (en) | Front door lock structure | |
| CN218493376U (en) | Hinge assembly and refrigerator | |
| CN220605313U (en) | Safe type switch board | |
| CN217326870U (en) | Window opener with anti-pinch function | |
| CN108525148A (en) | A kind of fixed posture means for breaking walls of fire-fighting | |
| CN110213916B (en) | Linkage self-locking explosion-proof control cabinet |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co., Ltd Address before: 410200 No. 997, Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian fire fighting Machinery Co., Ltd |