CN208310482U - Sanitation cart and its rear door locking device - Google Patents
Sanitation cart and its rear door locking device Download PDFInfo
- Publication number
- CN208310482U CN208310482U CN201820803170.7U CN201820803170U CN208310482U CN 208310482 U CN208310482 U CN 208310482U CN 201820803170 U CN201820803170 U CN 201820803170U CN 208310482 U CN208310482 U CN 208310482U
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- China
- Prior art keywords
- latch hook
- articulated shaft
- driving
- carriage body
- back door
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- 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.)
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Abstract
The utility model relates to sanitation cart fields, in particular to sanitation cart and its rear door locking device.The carriage body of the sanitation cart of the utility model is equipped with the back door articulated section hinged with back door, rear door locking device includes the driving telescoping cylinder of latch hook and driving latch hook, carriage body is equipped with latch hook articulated shaft, latch hook is equipped at least two and is each attached on latch hook articulated shaft, latch hook articulated shaft and back door articulated section are separately positioned in opposite two carriage walls of carriage body, each latch hook drives telescoping cylinder and the transmission of latch hook articulated shaft to cooperate to drive each latch hook by latch hook articulated shaft along latch hook articulated shaft extending direction arranged for interval.Since each latch hook is along latch hook articulated shaft extending direction arranged for interval, the left and right sides and carriage body that can guarantee back door are fitted close, two cover locking mechanisms of arrangement are not needed, the structure for simplifying sanitation cart, solving the problems, such as the rear door locking device of current sanitation cart, structure is complicated and control accuracy requirement is high.
Description
Technical field
The utility model relates to sanitation cart fields, in particular to sanitation cart and its rear door locking device.
Background technique
Rubbish can be drawn onto compartment by sweeper during the work time, in order to facilitate toppling over for rubbish, sweeper compartment
Back door is usually arranged as self-tipping type car door, and sewage flows out in rubbish in order to prevent, and the back door in compartment is usually required that with good
Sealing performance.There are mainly two types of rear door locking devices on current sanitation cart, and one of which is insert shaft type locking device, passes through
Locking of the axis holding to back door to be inserted, and then guarantees the sealing performance at back door, insert shaft type locking mechanism structure is simple, but oil cylinder
Active force often focuses on the middle position at back door, and after long-time use, as the opening/closing frequency at back door increases, back door is easy
It now deforms, the sealing performance at back door is caused to decline.Another rear door locking device is hook locking type locking device, such as Granted publication
It number is CN206705032U, the Chinese utility model patent that authorized announcement date is 2017.12.05 discloses a kind of self-loading and unloading type rubbish
Rubbish vehicle rear door locking device, including compartment and back door, back door top is hinged with car body top, and rear door locking device includes control
Device connect the overturning of control back door with controller to open and close overturning driver, the retaining mechanism in compartment compartment mouthful, overturning driver setting
In car body top, retaining mechanism includes latch hook and locking drive connected to the controller, and locking drive is driving latch hook
Telescoping cylinder is driven, latch hook rolling assembling hooks back door by locking drive driving latch hook when use on the side wall in compartment.This
The latch hook of kind rear door locking device is arranged on the side wall in compartment, in order to guarantee the locking at back door and car body, this back door
The locking drive and latch hook of locking device certainly will be needed to arrange two sets, be arranged on the two sides side wall in compartment, controlled
During need to guarantee the locking drive and latch hook synchronization action of two sides, causing rear door locking device, structure is complicated and controls
The high problem of required precision processed.
Utility model content
The purpose of the utility model is to provide a kind of sanitation carts, to solve the knot of the rear door locking device of current sanitation cart
The problem that structure is complicated and control accuracy requirement is high；In addition, the purpose of this utility model, which also resides in, provides a kind of above-mentioned sanitation cart
The rear door locking device used.
To achieve the above object, the technical solution of the sanitation cart of the utility model are as follows: sanitation cart includes compartment and back door lock
Tight device, compartment include carriage body and the back door that is hinged on rear side of carriage body, and carriage body is equipped with the back door articulated section hinged with back door, after
Door locking device includes the driving telescoping cylinder for swinging the latch hook being assemblied on carriage body and driving latch hook, and carriage body is equipped with wide along carriage body
The latch hook articulated shaft that direction extends is spent, the latch hook is equipped at least two and is each attached on the latch hook articulated shaft, described
Latch hook articulated shaft and back door articulated section are separately positioned in opposite two carriage walls of carriage body, and each latch hook is along latch hook articulated shaft extending direction
Arranged for interval, driving telescoping cylinder and the transmission of latch hook articulated shaft cooperate to drive each latch hook by latch hook articulated shaft.
Further, latch hook is driven for convenience, is fixed on the latch hook articulated shaft and is cooperated with driving telescoping cylinder transmission
Driving connecting lever, driving telescoping cylinder by driving connecting lever drive latch hook articulated shaft.Latch hook is driven by driving connecting lever, facilitates driving
The assembly of telescoping cylinder, while can also make latch hook that there is biggish oscillating stroke.
Further, in order to make back door and carriage body better seal, the driving telescoping cylinder is arranged in the rear side of latch hook, drives
Dynamic connecting lever is gradually tilted to the direction far from carriage body from back to front when latch hook locks back door, so that driving telescoping cylinder passes through pushing tow
It drives connecting lever that latch hook is kept to lock back door, compared to the driving method for pulling driving connecting lever, drives connecting lever to lock back door by pushing tow
It is more stable, it is bigger to the active force of latch hook, guarantee locking effect.
Further, in order to facilitate the opening and closing at back door, the back door articulated section is arranged on carriage body roof, and the driving is stretched
Contracting cylinder and latch hook articulated shaft are arranged on carriage body bottom wall, and occupied space is smaller during the opening and closing at back door, easy to open reliable.
Further, in order to guarantee each latch hook uniform force, the driving connecting lever is fixed in latch hook articulated shaft axial direction
Portion guarantees that driving telescoping cylinder uniformly exerts a force to latch hook by driving connecting lever.
The technical solution of the sanitation cart rear door locking device of the utility model: sanitation cart rear door locking device includes for putting
The driving telescoping cylinder of the dynamic latch hook being assemblied on carriage body and driving latch hook locking back door, sanitation cart rear door locking device further includes using
In the latch hook articulated shaft extended on carriage body bottom wall along carriage body width direction is arranged in, the latch hook is equipped at least two and solid
It is scheduled on the latch hook articulated shaft, each latch hook drives telescoping cylinder and latch hook articulated shaft to be driven along carriage body width direction arranged for interval
Cooperation is to drive each latch hook by latch hook articulated shaft.
Further, the driving connecting lever with driving telescoping cylinder transmission cooperation is fixed on the latch hook articulated shaft, driving is stretched
Contracting cylinder drives latch hook articulated shaft by driving connecting lever.
Further, the driving telescoping cylinder sets the rear side in latch hook, driving connecting lever when latch hook locks back door after to
It is preceding to tilt gradually downward, so that driving telescoping cylinder drives connecting lever that latch hook is kept to lock back door by pushing tow.
Further, in order to guarantee each latch hook uniform force, the driving connecting lever is fixed in latch hook articulated shaft axial direction
Portion guarantees that driving telescoping cylinder uniformly exerts a force to latch hook by driving connecting lever.
The beneficial effects of the utility model are: the latch hook setting at least two of the rear door locking device of the utility model, and
And latch hook is fixed on latch hook articulated shaft, by driving latch hook articulated shaft that each latch hook can be driven to lock or unlock back door, by
In each latch hook along latch hook articulated shaft extending direction arranged for interval, it can guarantee being fitted close with carriage body for back door, not need to arrange
Two cover locking mechanisms, simplify the structure of sanitation cart, solve current sanitation cart rear door locking device structure is complicated simultaneously
And the problem that control accuracy requirement is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the sanitation cart of the utility model；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the latch hook of the specific embodiment of the sanitation cart of the utility model and the structural schematic diagram of latch hook articulated shaft；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structural schematic diagram of the connecting plate of the driving connecting lever of the specific embodiment of the sanitation cart of the utility model.
In figure: 1, carriage body；11, back door articulated section；2, back door；3, rear door drive mechanism；41, latch hook；42, driving is flexible
Cylinder；421, piston rod；43, latch hook articulated shaft；44, connecting lever is driven；441, connecting plate.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the sanitation cart of the utility model, as shown in Figures 1 to 5, in the present embodiment, sanitation cart includes vehicle
Compartment and the rear door locking device being arranged on compartment, compartment include carriage body 1 and the back door 2 for being hinged on 1 rear side of carriage body, on carriage body 1
Equipped with the back door articulated section 11 hinged with back door 2, rear door locking device is arranged on carriage body 1.The top at the back door 2 in the present embodiment
Portion is hinged on carriage body 1, and carriage body 1 is equipped with the rear door drive mechanism 3 that driving back door 2 opens or closes, which is existing
There is technology, specifically repeats no more, certainly, in other embodiments, the back door of carriage body can also be hinged on the left side wall of carriage body, this
When rear door locking device be correspondingly arranged on the right side wall of carriage body.
Rear door locking device includes the driving telescoping cylinder 42 for swinging the latch hook 41 being assemblied on carriage body 1 and driving latch hook 41,
In order to guarantee the locking effect to back door 2, while the structure in compartment is reduced, in the present embodiment, there are three the settings of latch hook 41, back door
Locking device further includes the latch hook articulated shaft 43 being arranged on carriage body 1, and latch hook articulated shaft 43 extends along 1 width direction of carriage body, respectively
Latch hook 41 is each attached on latch hook articulated shaft 43.Driving connecting lever 44 is further fixed on latch hook articulated shaft 43, latch hook articulated shaft 43 is logical
Connecting lever 44 of overdriving cooperates with the driving transmission of telescoping cylinder 42, and driving telescoping cylinder 42, which passes through, drives driving connecting lever 44 to drive latch hook hinged
Axis 43, and then latch hook 41 is driven to swing the locking and unlocking realized to back door 2, the driving connecting lever 44 in the present embodiment is fixed on lock
The middle part of hook articulated shaft axial direction, guarantees each latch hook uniform force.As shown in Figure 3 and Figure 5, driving connecting lever 44 includes two connecting plates
441, two connecting plates are separately fixed at the two sides of intermediate latch hook, and in other embodiments, connecting lever, which can be, is fixed on intermediate latch hook
The link block of side.In the present embodiment, back door articulated section 11 is separately positioned on the roof and bottom wall of carriage body 1 with latch hook articulated shaft 43
On, in other embodiments, when the left side wall of carriage body is arranged in back door articulated section, the right side of carriage body is arranged in latch hook articulated shaft
Wall, that is to say, that in order to guarantee locking effect, should to be separately positioned on carriage body opposite two for back door articulated section and latch hook articulated shaft
On side wall.
The rear door locking device of the utility model, can be with by the way that each latch hook 41 to be fixed on the same latch hook articulated shaft 43
It realizes that each latch hook 41 is driven by the same driving telescoping cylinder 42, solves two sets or more cover locking machines of setting in the prior art
It is constructed of the rear door locking device problem that structure is complicated and required precision is high.In other embodiments, according to actual installation
It is required that requirement latch hook can be set two or four etc., in order to guarantee that the locking effect to back door, latch hook should
Arrangement is more than two.In other embodiments, driving telescoping cylinder can directly be connect with one of latch hook, and pass through a latch hook
Other latch hooks are driven to swing with latch hook articulated shaft, certainly, driving telescoping cylinder can be directly anchored on articulated shaft, but be cut with scissors at this time
The diameter of spindle just can guarantee that driving telescoping cylinder is able to drive the rotation of latch hook articulated shaft when meeting certain requirement；Due to each lock
Hook is fixed on latch hook articulated shaft, and driving telescoping cylinder can select one or more, and when selecting multiple, each latch hook can also be protected
It holds and moves synchronously.
In the present embodiment, driving telescoping cylinder 42 is hydraulic cylinder, and driving telescoping cylinder 42 includes cylinder body and piston rod 421, is lived
Stopper rod 421 and driving connecting lever 44 are hinged, and the middle position of carriage body bottom is arranged in the driving telescoping cylinder in the present embodiment, guarantees lock
Hook stress is more evenly.In other embodiments, driving telescoping cylinder is also possible to telescopic cylinder.Driving telescoping cylinder 42 in the present embodiment
The rear side of latch hook 41 is set, and driving connecting lever 44 is when latch hook 41 locks back door 2 from back to front gradually to the direction far from carriage body 1
Inclination drives connecting lever by pushing tow so that driving telescoping cylinder 42 drives connecting lever 44 that latch hook 41 is kept to lock back door 2 by pushing tow
44, bigger active force can be applied to latch hook 41, guarantee the locking effect of latch hook 41.When needing to unlock back door 2, piston rod
421 retract, and band moveable lock hook 41 is to lower swing, and when needing latch hook 41 to lock back door 2, piston rod 421 stretches out, band moveable lock hook 41 to
Back door 2 is locked in upper swing.In other embodiments, drives the relative position between connecting lever and latch hook can according to need and adjusted
It is whole, for example drive connecting lever that can be vertically arranged when latch hook locks back door, piston rod, which passes through, at this time applies pulling force to driving connecting lever
Latch hook is set to keep the locking to back door.Driving telescoping cylinder in the present embodiment is arranged on the bottom wall of carriage body, in other embodiments,
When the hinged shaft length of latch hook is met the requirements, driving telescoping cylinder can be arranged on the side wall of carriage body, at this time latch hook articulated shaft
On driving connecting lever the hinged end of latch hook is set.
The driving telescoping cylinder 42 of the utility model is arranged on carriage body 1, will not apply additional work in other positions to back door 2
Firmly, the deformation at back door 2 is not will cause, back door 2 and the position of the locking cooperation of latch hook 41 are outside the bottom at back door 2 in the present embodiment
Side, in other embodiments, back door can also be using fixing special lock pin on back door and latch hook locking cooperates.
In the present embodiment, rear door locking device further includes the hinged seat being arranged on carriage body 1, the middle part of latch hook articulated shaft 43
It is hinged on hinged seat, facilitates the installation of rear door locking device.In other embodiments, latch hook articulated shaft 43 can also directly be cut with scissors
It connects on carriage body 1.
Sanitation cart in the present embodiment is specially sweeper, but a certain vehicle is not limited in other embodiments, than
It such as can also be garbage truck in the prior art.Sweeper in the present embodiment when in use, is toppled over when needing back door 2 to open
When rubbish, the piston rod 421 of driving telescoping cylinder 42 is retracted, and drives driving connecting lever 44 to swing latch hook 41 far from back door 2, back door 2
It is detached from impaction state and is realized under the action of rear door drive mechanism 3 and opened；When back door 2 needs to close, rear door drive mechanism 3
Close back door 2, the piston rod 421 of driving telescoping cylinder 42 stretches out, the outside for driving driving connecting lever 44 that latch hook 41 is made to compress back door 2
On face, the locking to back door 2 is realized.
The specific embodiment of the sanitation cart rear door locking device of the utility model, the sanitation cart back door locking in the present embodiment
The structure of device is identical as the structure of rear door locking device in the specific embodiment of above-mentioned sanitation cart, repeats no more.
Claims (9)
1. sanitation cart, including compartment and rear door locking device, compartment includes carriage body and the back door that is hinged on rear side of carriage body, on carriage body
Equipped with the back door articulated section hinged with back door, rear door locking device includes swinging the latch hook being assemblied on carriage body and driving latch hook
Drive telescoping cylinder, it is characterised in that: carriage body is equipped with the latch hook articulated shaft extended along carriage body width direction, and the latch hook is equipped with extremely
Lack two and be each attached on the latch hook articulated shaft, the latch hook articulated shaft is separately positioned on carriage body phase with back door articulated section
Pair two carriage walls on, each latch hook is driven telescoping cylinder and latch hook articulated shaft to be driven and matched along latch hook articulated shaft extending direction arranged for interval
It closes to drive each latch hook by latch hook articulated shaft.
2. sanitation cart according to claim 1, it is characterised in that: be fixed on the latch hook articulated shaft and driving telescoping cylinder
It is driven the driving connecting lever of cooperation, driving telescoping cylinder drives latch hook articulated shaft by driving connecting lever.
3. sanitation cart according to claim 2, it is characterised in that: the rear side of latch hook is arranged in the driving telescoping cylinder, drives
Dynamic connecting lever is gradually tilted to the direction far from carriage body from back to front when latch hook locks back door, so that driving telescoping cylinder passes through pushing tow
Drive connecting lever that latch hook is kept to lock back door.
4. sanitation cart according to claim 1 or 2 or 3, it is characterised in that: the back door articulated section is arranged in carriage body roof
On, the driving telescoping cylinder and latch hook articulated shaft are arranged on carriage body bottom wall.
5. sanitation cart according to claim 2 or 3, it is characterised in that: the driving connecting lever is fixed on latch hook articulated shaft axis
To middle part.
6. sanitation cart rear door locking device, including for swinging the latch hook being assemblied on carriage body and driving the drive at latch hook locking back door
Dynamic telescoping cylinder, it is characterised in that: sanitation cart rear door locking device further includes for being arranged on carriage body bottom wall along carriage body width side
To the latch hook articulated shaft of extension, the latch hook is equipped at least two and is each attached on the latch hook articulated shaft, each latch hook edge
Carriage body width direction arranged for interval, driving telescoping cylinder and the transmission of latch hook articulated shaft cooperate to drive each lock by latch hook articulated shaft
Hook.
7. sanitation cart rear door locking device according to claim 6, it is characterised in that: be fixed on the latch hook articulated shaft
With the driving connecting lever of driving telescoping cylinder transmission cooperation, driving telescoping cylinder drives latch hook articulated shaft by driving connecting lever.
8. sanitation cart rear door locking device according to claim 7, it is characterised in that: the driving telescoping cylinder is set in latch hook
Rear side, driving connecting lever latch hook lock back door when tilt gradually downward from back to front so that driving telescoping cylinder by pushing tow drive
Dynamic connecting lever keeps latch hook to lock back door.
9. sanitation cart rear door locking device according to claim 7 or 8, it is characterised in that: the driving connecting lever is fixed on
The middle part of latch hook articulated shaft axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803170.7U CN208310482U (en) | 2018-05-28 | 2018-05-28 | Sanitation cart and its rear door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803170.7U CN208310482U (en) | 2018-05-28 | 2018-05-28 | Sanitation cart and its rear door locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208310482U true CN208310482U (en) | 2019-01-01 |
Family
ID=64716446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803170.7U Expired - Fee Related CN208310482U (en) | 2018-05-28 | 2018-05-28 | Sanitation cart and its rear door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208310482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203226A (en) * | 2019-06-12 | 2019-09-06 | 中车山东机车车辆有限公司 | A kind of locking device that railway freight-car is formed with side door |
| CN112190038A (en) * | 2020-11-18 | 2021-01-08 | 宁波市鄞州润平贸易有限公司 | Gun cabinet device |
-
2018
- 2018-05-28 CN CN201820803170.7U patent/CN208310482U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203226A (en) * | 2019-06-12 | 2019-09-06 | 中车山东机车车辆有限公司 | A kind of locking device that railway freight-car is formed with side door |
| CN112190038A (en) * | 2020-11-18 | 2021-01-08 | 宁波市鄞州润平贸易有限公司 | Gun cabinet device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |